5.2.7 MCRCB SUPERSTOCK REGULATIONS
Machines competing in the National Supertock Championships must comply with the MCRCB SUPERSTOCK REGULATIONS. These are as follows and are correct as of the printing of these regulations but which are subject to any amendments made by the FIM or MCRCB which will be issued by means of an MCRCB Bulletin.
EVERYTHING THAT IS NOT AUTHORISED AND PRESCRIBED IN
THESE REGULATIONS IS STRICTLY FORBIDDEN
The motorcycles must be homologated by the original manufacturer only.
As the name Superstock implies, the machines used are allowed limited modifications. Most modifications that are allowed are only allowed for safety reasons.
Superstock motorcycles require FIM Homologation (see art 5.2.9) or
All machines must comply with all requirements of Road Racing as specified in the MCRCB Regulations.
The Appearance from front, rear and the profile of Superstock motorcycles must (except when otherwise stated) conform to the homologated shape (as originally produced by the manufacturer). The appearance of the exhaust system and engine case and tank guards is excluded from this rule.
18.104.22.168 Machine Specifications
All items not mentioned in the following articles must remain as originally produced by the manufacturer for the homologated machine.
22.214.171.124 Balancing various motorcycle concepts
In order to equalize the performance of motorcycles with different engine configurations, changes in the minimum weight can be applied according to their respective racing performances. The decision about applying a handicap system to a respective class will be taken by MCRCB/MSVR at any time. These handicaps will follow the system like described in 126.96.36.199 of the Superbike regulations, but will be adapted to the Superstock class.
188.8.131.52 Displacement capacities
The following engine configurations compose the Superstock 1000 and
Superstock 600 classes.
184.108.40.206.1 Superstock 1000
Over 750cc up to 1000cc 4-stroke 3 and 4 cylinders maximum
Over 850cc up to 1200cc 4-stroke 2 cylinders maximum
220.127.116.11.2 Superstock 600
Over 500cc up to 600cc
Over 600cc up to 675cc
4-stroke 4 cylinders maximum
4-stroke 3 cylinders maximum
Over 650cc up to 750cc 4-stroke 2 cylinders maximum
The displacement capacities must remain at the homologated size.
Increasing the bore size to reach class limits is not allowed.
18.104.22.168 Minimum Weight
The FIM decides the minimum weight value for a homologated model as sold to the public by determining its dry weight.
The dry weight of a homologated motorcycle is defined as the total weight of the empty motorcycle as produced by the manufacturer (after removal of fuel, vehicle number plate, tools and the main stand when fitted but with oil and radiator liquid at the prescribed level). To confirm the dry weight a minimum of three motorcycles are weight and compared. The result is rounded off to the nearest digit.
The minimum weight value is determined by the dry weight value (kg)
1000cc 4 cylinders 174kg
1200cc 2 cylinders 174kg
600cc 4 cylinders
675cc 3 cylinders
In the final inspection at the end of the race, the checked machines will be weighed in the condition they were at the end of the race.
The established weight limit must be met in the condition the machine finished the race. Nothing can be added to the machine including water, oil, fuel or tyres.
At the time of the event, the weight of the whole machine (including the tank and its contents) must be not less than the minimum weight.
During the practice and qualifying sessions every rider may be asked to submit his motorcycle to a weight control.
22.214.171.124 Number and Background Colours
See MCRCB General Technical Regulations (G-3.29).
In case of dispute concerning legibility of numbers, the decision of MCRCB will be final.
The MCRCB Control Fuel must be used in every practice session and race.
This is supplied by WP Racing, see F-Championship Conditions and any
Bulletins issued by MSVR.
The MCRCB will impose a controlled tyre. Further conditions will be stated in
F - Championship Conditions and any Bulletins issued by MSVR.
The use of tyre warmers is allowed.
Any modification (cutting, grooving) is forbidden.
126.96.36.199.1 Carburetion Instruments / Fuel Injection System
Carburetion instruments refer to throttle bodies and variable length intake track devices.
Carburation instruments must remain as homologated.
Bell mouths must remain as originally produced by the manufacturer for the homologated machine.
The injectors must remain standard units as on the homologated motorcycle.
See also 188.8.131.52.17 Fuel Supply.
184.108.40.206.2 Cylinder Head
No modifications are allowed.
No material may be added or removed from the cylinder head.
The head gasket
may be changed
cannot be changed from the standard homologated one.
The valves, valve seats, guides, springs, tappets, oil seals, shims, cotter valve, spring base and spring retainers must be as originally produced by the manufacturer for the homologated machine. Only normal maintenance interventions as prescribed by the Manufacturer in the service manual of the motorcycle are authorized.
Valve springs shims are not allowed.
No modifications are allowed.
At the technical checks: for direct cam drive systems, the cam lobe lift is measured; for non direct cam drive systems (i.e. rocker arms) the valve lift is measured.
The timing of the camshaft
cannot be altered from the manufacturers homologated timing
is free, however no machining of the camshaft sprocket is authorised.
220.127.116.11.4 Cam Sprockets or Gears
and mounting bolts and any location keys
No dimensional modifications are allowed.
No modifications are allowed.
No modifications are allowed (including polishing and lightening).
18.104.22.168.7 Piston Rings
No modifications are allowed.
22.214.171.124.8 Piston Pins and Clips
No modifications are allowed.
126.96.36.199.9 Connecting Rods
No modifications are allowed (including polishing and lightening).
No modifications are allowed (including polishing and lightening).
188.8.131.52.11 Crankcase/Gearbox housing
No modification to the crankcases are allowed (including painting, polishing and lightening).
Crankcases must remain as homologated. No modifications are allowed
(including painting, polishing and lightening).
It is not allowed to add a pump used to create a vacuum in the crankcase. If a vacuum pump is installed on the homologated motorcycle then it may be used only as homologated.
184.108.40.206.11.1 Lateral covers and protection
Lateral (side) covers may be altered, modified or replaced. lf altered or modified the cover must have at least the same resistance to impact as the original one. If replaced, the cover must be made in material of same or higher specific weight and the total weight of the cover must not be less than the original one.
All lateral covers/engine cases containing oil and which could be in contact with the ground during a crash, must be protected by a second cover made from metal such as aluminium alloy, stainless steel, steel or titanium.
Plates or crash bars from aluminium or steel also are permitted in addition to these covers. AII of these devices must be designed to be resistant against sudden shocks, abrasions and crash damage.
MCRCB approved covers will be permitted without regard of the material.
These covers must be fixed properly and securely with case cover screws that also mount the original covers/engine cases to the crankcases.
The Chief Technical Officer has the right to forbid any cover, if the evidence shows the cover is not effective.
No damaged cases will be permitted unless approved by the Chief Technical
No modifications or alterations are allowed to the gears, gearbox or gear ratios.
The material and heat treatment of the highest 2 gear pinions may be changed, but the number of teeth has to be kept as homologated.
Other modifications or additions to the gearbox or selector mechanism, including quick shift systems are not allowed. Quick shift systems are allowed if on the homologated model. Aftermarket external quick shift systems are allowed ONLY on 1000cc & 1200cc machines (the original wiring loom must remain unmodified).
Countershaft sprocket, rear wheel sprocket, chain pitch and size can be changed.
The sprocket cover can be modified or eliminated.
No modifications are allowed.
Only friction and drive discs may be changed but their numbers must remain as original.
Clutch springs may be changed but the number must remain as that on the homologated model.
220.127.116.11.14 Oil Pumps and Oil Lines
No pump modifications are allowed
Oil lines may be modified or replaced. Oil lines containing positive pressure, if replaced, must be of metal reinforced construction with swaged or threaded connectors.
18.104.22.168.15 Radiator and oil coolers
The only liquid engine coolants permitted will be water or water mixed with ethyl alcohol.
Additional radiators and / or oil coolers are not allowed.
The radiator tubes to and from the engine can be changed but the system must be maintained, with its original tanks.
Protective meshes can be added in front of the oil and/or water radiator(s).
Radiator fan and wiring may be removed
22.214.171.124.16 Air Box
The air box must remain as originally produced by the manufacturer for the homologated machine but the air box drains must be sealed.
The air filter element may be modified or replaced.
All motorcycles must have a closed breather system. All the oil breather line must be connected and discharge in the airbox.
126.96.36.199.17 Fuel Supply
An additional control unit to change the fuel mixture may be installed and must be fitted to the original connectors, the unit must not be able to perform any other function. (The original wire-loom must remain unmodified).
Auto tuning fuel map devices are not allowed.
Fuel pump and fuel pressure regulator must remain as homologated.
Fuel lines may be replaced but the fuel petcock must remain as originally produced by the manufacturer.
Quick connectors or dry break quick connectors may be used.
Fuel vent lines may be replaced.
Fuel filters may be added. See also 188.8.131.52.1 Carburetion Instruments/Fuel
If an Interceptor fuel control unit, Bazzas Z – FI,
Power Commander V
fuel control unit or any other plug in fuel control units of other manufactures
are used, they must only be used for the change of the fuel mixture. Any other function such as traction control, quick shifting, response control
, ignition timing
and the addition of duel fuel maps are not allowed if they are not on the homologated model. The Technical Officials in determining compliance with this regulation may require any team/competitor to supply verifiable evidence including software. Breaches of this regulation may result in the prohibition of specific makes and models of fuel control units. At prequalifying Technical Control riders/teams must declare any such fuel control systems. 1000cc & 1200cc machines ONLY may use the quick shifting function.
184.108.40.206.18 Exhaust System
Exhaust pipes and silencers may be modified or changed from those fitted to the homologated motorcycle.
The number of the final exhaust silencer(s) must remain as homologated.
The silencer(s) must be on the same side(s) of the homologated model.
Catalytic converters must be removed.
For safety reasons, the exposed edges of the exhausts pipe(s) outlet must be rounded to avoid any sharp edges.
Wrapping of exhaust systems is not allowed except in the area of the riders foot or an area in contact with the fairing for protection from heat.
The noise limit for Superstock is 107 dB/A (with a 3 dB/A tolerance after the race). There is also an equipment tolerance of 2dB/A, the actual maximum reading before race or practice is 109 dB/A and after race or Practice
220.127.116.11 Electrics and Electronics
18.104.22.168.1 Ignition/Engine Control System (ECU)
Spark plugs may be replaced.
The central unit (ignition/engine control unit/CDI) must stay as homologated.
During an event the Chief Technical Officer has the right to ask a team to subsitute their ECU with one provided by the organiser, supplied by the manufacturer.
At technical control machines may be checked on a dyno and/or the ECU sealed with a tamperproof sticker.
At post qualifying and post race technical control any irregular dyno reading and/or evidence of the ECU being tampered with may consitute a fail and subsequent judicial action. The decision of the Chief Technical Officer in this respect will be considered a matter of fact.
Any team refusing to co-operate with the instructions of the Technical
Offcials in respect of any aspect of pre and post qualifying/race Technical
Control will be penalised.
The MCRCB will invite manufacturers to particpate in matters of technical control. Any manufacturers reccomedations and determinations on matters of machine compliance with the class technical rules will be considered a matter of fact.
No modifications allowed.
The electric starter must operate normally and always be able to start the engine during the event (including at pre and post race inspections). The engine must start and run when the electric starter has stopped its procedure.
22.214.171.124.3 Additional Equipment
1000/1200cc class only - additional electronic hardware equipment not on the original homologated motorcycle may be added for the recording of data. This is limited to three channels only which are (1)
Front suspension, (2) Rear suspension, (3) Lambda.
Additional electronic hardware equipment not on the original homologated motorcycle may be added for the recording of suspension data and data from an aftermarket fuelling device only.
No device may be connected to the homologated ECU diagnostic port, which will be sealed by MSVR.
Use of a lap timer display is permitted. This must be a stand alone, self powered device.
All such systems must be approved by Technical Control.
The addition of a device for infra red (IR) transmission of a signal between the racing rider and his team, used exclusively for lap timing, is allowed.
The addition of a GPS unit for lap timing/scoring purposes is allowed.
Telemetry is not allowed.
126.96.36.199.4 Wiring Harness
The original wire-loom may be modified only as indicated hereafter:
The unused wire loom elements supplying current to direction indicators,
horn, ignition contact and key lock etc. may be unplugged and/or removed
(no cutting allowed).
No changes are allowed to the ignition key switch.
Cutting of the wiring harness is not allowed but to disconnect connectors is allowed.
The wiring harness may only be used for the purpose it is homologated for unless stated in these regulations.
Battery may be replaced, if replaced nominal capacity must be equal or higher than the homologated type.
188.8.131.52 Frame and Body
184.108.40.206.1Frame Body and Rear Sub Frame
Frame must remain as originally produced by the manufacturer for the homologated machine.
The sides of the frame-body may be covered by a protective part made of composite material. These protectors must fit the form of the frame.
Holes may be drilled on the frame only to fix approved components (i.e. fairing brackets, steering damper mount).
Nothing can be added by welding or removed by machining from the frame body.
All motorcycles must display the manufacturers’ vehicle identification number on the frame body (chassis number), with the exception of spare frames.
Engine mounting brackets or plates must remain as originally produced by the manufacturer for the homologated machine.
Rear sub frame must remain as originally produced by the manufacturer for the homologated machine.
Additional seat brackets may be added, non-stressed protruding brackets may be removed if they do not affect the safety of the construction or assembly.
Bolt on accessories to the rear sub-frame may be removed.
The paint scheme is not restricted but polishing the frame body or the sub frame is not allowed.
220.127.116.11.2 Front Forks
Forks (stanchions, stem, wheel spindle, upper and lower crown, etc.) must remain as originally produced by the manufacturer for the homologated motorcycle.
The upper and lower fork clamps (triple clamp, fork bridges) must remain as originally produced by the manufacturer on the homologated motorcycle.
A steering damper may be added or replaced with an after-market damper.
The steering damper cannot act as a steering lock limiting device.
Fork caps on the mechanical forks may only be modified or replaced to allow external adjustment. (This does not include the mechanical fork leg that is part of the homologated electronic fork set).
Dust seals may be modified, changed or removed if the fork remains totally oil-sealed.
MECHANICAL FORKS: Original internal parts of the homologated forks may be modified or changed. After market damper kits or valves may be installed.
The original surface finish of the fork tubes (stanchions, fork pipes) may be changed. Additional surface treatments are allowed.
ELECTRONIC SUSPENSION: No aftermarket or prototype electronically controlled suspension parts may be used. Electronic suspension may be used if such suspension is already present on the production model of the homologated motorcycle, and it must remain completely standard (all mechanical and electronic parts must remain as homologated) with the exception of shims and springs. The original suspension system must work safely in the event of an electronic failure. The electronic front suspension may be replaced with a mechanical system from a similar homologated model from the same manufacturer.
18.104.22.168.3 Rear Fork (Swing arm)
The rear fork must remain as originally produced by the manufacturer for the homologated motorcycle.
A chain guard must be fitted in such a way to reduce the possibility that any part of the riders’ body may become trapped between the lower chain run and the rear wheel sprocket.
Rear fork pivot bolt must remain as originally produced by the manufacturer for the homologated motorcycle.
Rear wheel stand brackets may be added to the rear fork by welding or by bolts. Brackets must have rounded edges (with a large radius). Fastening screws must be recessed. An anchorage system or point(s) to keep the original rear brake calliper in place may be added to the rear swing-arm.
22.214.171.124.4 Rear Suspension Unit
Rear suspension unit (shock absorber) may be modified or replaced, but the original attachments to the frame and rear fork (swing arm) must be as homologated.
All the rear suspension linkage parts must remain as originally produced by the manufacturer for the homologated motorcycle.
MECHANICAL SUSPENSION: Rear suspension unit and spring may be changed.
ELECTRONIC SUSPENSION: No aftermarket or prototype electronically controlled suspension parts may be used. Electronic suspension may be used if such suspension is already present on the production model of the
homologated motorcycle, and it must remain completely standard (all mechanical and electronic parts must remain as homologated) with the exception of shims and springs). The original suspension system must work properly safely in the event of an electronic failure. The electronic shock absorber can be replaced with a mechanical one.
Wheels must remain as originally produced by the manufacturer at the time of sale into the dealer/distributor network for the homologated machine.
The speedometer drive may be removed and replaced with a spacer.
If the original design included a cushion drive for the rear wheel, it must remain as originally produced for the homologated machine.
No modifications of the wheel-axles or any fixing and mounting points for front and rear brake calliper are authorised. Spacers can be modified.
Modifications to keep spacers in place are permitted.
Wheel diameter and rim width must remain as originally homologated.
Any inner tube (if fitted) or inflation valves may be used.
Wheel balance weights may be discarded, changed or added to.
Brake discs can be replaced by aftermarket discs which comply to the following rules:
Brake discs and carrier must retain the same material as the homologated disc and carrier.
A ‘wave’ type disc can be replaced with a round disc.
The outside and inner diameter of the brake disc must remain the same as on the homologated disc.
The thickness of the brake disc may be increased by 20% and must continue to fit into the homologated brake calliper without any modification.
The number of floaters is free.
The fixing of the carrier on the wheel must remain the same as on the homologated disc.
Anti lock sytems (ABS) can be disconnected and the ABS ECU can be dismantled.
The ABS rotor wheel can be deleted, modified or replaced.
Front and rear brake callipers (mount, carrier, hanger) must remain as originally produced by the manufacturer for the homologated machine.
In order to reduce the transfer of heat to the hydraulic fluid it is permitted to add metallic shims to the calipers, between the pads and the calipers, and/or to replace light alloy pistons with steel pistons made by the same manufacturer of the caliper.
The rear brake calliper bracket may be fixed on the swingarm, but the bracket (support) must maintain the same mounting (fixing) points for the calliper as used on the homologated machine. A modification of these parts is authorised. The Swingarm may be modified for this reason to aid the location of the rear brake calliper bracket, by welding, drilling or using a helicoil.
The front and rear master cylinder must remain as originally produced by the manufacturers for the homologated machine.
Front and rear brake fluid reservoirs may be changed with an aftermarket product.
Front and rear hydraulic brake lines may be changed.
The split of the front brake lines for both front brake callipers must be made above the lower fork bridge (lower triple clamp).
Quick (or “dry-brake”) connectors in the brake lines are authorised.
126.96.36.199.7 Handlebars and Hand Controls
Handlebars may be replaced (does not include brake master cylinder).
Handlebars and hand controls may be relocated.
Throttle controls must be self closing when not held by the hand.
Front and rear brake pads may be changed. Brake pad locking pins may be modified for quick change types.
Additional air scoops or ducts are not allowed.
Motorcycles must be equipped with brake lever protection, intended to protect the handlebar brake lever from being accidentally activated in case of collision with another motorcycle.
Throttle assembly and associated cables may be modified or replaced but the connection to the throttle body and to the throttle controls must remain as homologated.
Clutch and brake lever may be exchanged by an aftermarket copy. An adjuster to the brake lever is allowed for the 1000cc/1200cc class only.
Switches can be changed but electric starter switch and engine stop switch must be located on the handlebars.
188.8.131.52.8 Footrest/Foot Controls
Footrest/foot controls may be relocated but brackets must be mounted to the frame at the original mounting points. Their two original mounting points of fixture (on foot controls and on the shift shaft) must remain as original.
Footrest may be rigidly mounted or a folding type which must incorporate a device to return them to the normal position.
The end of the footrest must have an 8mm solid spherical radius.
Non-folding footrests must have an end (plug) which is permanently fixed, made of plastic, Teflon® or an equivalent type material (minimum radius
8mm). The plug surface must be designed to reach the widest possible area.
The Chief Technical Officer has the right to refuse any plug not satisfying this safety aim.
184.108.40.206.9 Fuel Tank
Fuel tank filler cap may be altered or replaced from those fitted to the homologated motorcycle, by a “screw-on” type fuel cap (SAFETY).
All fuel tanks must be completely filled with a fire retardant material (open celled mesh i.e. “Explososafe ®”).
Fuel tank valve petcock must remain as originally produced by the manufacturer for the homologated machine.
The sides of the fuel tank may be covered by a protective part made of a composite material. These protectors must fit the shape of the tank.
Fuel tanks with a tank breather pipes must be fitted with non-return valves that discharge into a catch tank with a minimum volume of 250cc made of a suitable material.
220.127.116.11.10 Fairing/Body Work a) Fairing and bodywork may be replaced with exact cosmetic duplicates of the original parts, but must appear to be as originally produced by the manufacturer for the homologated machine, with slight differences due to the racing use (different attachment points, fairing bottom etc.). The
materials may be changed. The use of carbon fibre or carbon composite materials is not allowed. The front of the fairing may be modified to accommodate a front number plate in compliance with MCRCB General
Technical Regulations. b) Overall size and dimensions must be the same as the original part. c) Windscreens may be replaced with a duplicate of transparent material, but the overall size and dimensions must be the same as the original part. d) Motorcycles that were not originally equipped with streamlining are not allowed to add streamlining in any form, with the exception of a lower fairing device, as described in (h). This device cannot exceed above a line drawn horizontally from axle to axle. e) The original combination instrument/fairing brackets may be replaced, but the use of titanium and carbon (or similar composite materials) is forbidden. All other fairing brackets may be altered or replaced. f) The original air ducts running between the fairing and the air box may be altered or replaced. Carbon Fibre composites and other exotic materials are forbidden, particle grills or wire meshes, originally installed in the openings of the air-ducts, may be taken away. g) The lower fairing has to be constructed to hold, in case of engine breakdown, at least half of the total oil and engine coolant capacity used in the engine (minimum 5 litres). The lower edge of the openings in the fairing must be positioned at least 50mm above the bottom of the fairing. h) Front mudguards may be replaced with a cosmetic duplicates of the original parts and may be spaced upwards for increased tyre clearance. i) Rear mudguards fixed on the swinging arm can be modified or changed but the original profile must be respected. j) All exposed edges must be rounded. k) Motorcycles can be equipped with inner ducts to improve the air stream towards the radiator but the appearance of the front, the rear and the profile of the motorcycle must not be changed.
The appearance from both front rear and profile must conform to the homologated shape.
Seat, seat base and associated body work may be replaced with parts of similar appearance as originally produced by the manufacturer for the homologated machine.
The top portion of the rear bodywork around the seat may be modified to a solo seat.
The homologated seat locking system (with plates, pins, rubber pads etc.) may be removed
All exposed edges must be rounded. The card you have used is coming up as an invalid number, please can you let me have the correct number.
Standard fasteners may be replaced with fasteners of any material and design but titanium fasteners may not be used.. The strength and design must be equal to or exceed the strength of the standard fastener it is replacing..
Fasteners may be drilled for safety wire, but intentional weight saving modifications are not allowed.
Fairing/body work fasteners may be changed to the quick disconnect type.
Aluminium fasteners may only be used in non-structural locations
18.104.22.168 The following items may be altered or replaced from those fitted to
the homologated motorcycle.
A special one way valve can be fitted to the crankcase oil filler opening (to avoid oil spillage)
Any type of lubrication, brake or suspension fluid may be used.
Gasket and gasket materials (with the exception of the cylinder base gasket
and head gasket
NB: Only the “dash” from the homolgated model can be used. Use of an aftermarket supplied “dash” is not permitted.
Painted external surface finishes and decals.
Material for brackets connecting non-original parts to the frame (or engine) cannot be made from titanium or fibre reinforced composites (the only exception to this is the exhaust hanger which may be made from reinforced composites).
Tachometer – NB this must be working so that noise limits may be measured
– (MCRCB Only)
22.214.171.124 The Following Items May Be Removed
Emission control items (anti-pollution) in or around the airbox and engine (02 sensors, air injection devices)
Instrument and instrument bracket and associated cables.
Chain guard as long as it is not incorporated in the rear fender.
Bolt on accessories on a rear sub frame.
126.96.36.199 The following items MUST BE removed
- Headlamp and rear lamp.
- Turn signal indicators (when not incorporated in the fairing). Openings
must be covered with a suitable material.
- Rear view mirrors.
- Licence plate bracket.
- Tool kit.
- Helmet hooks and luggage carrier hooks.
- Passenger foot rests.
- Passenger grab rails.
- Safety bars, centre and side stands must be removed (fixed brackets must
188.8.131.52 The Following Items Must Be Altered
Motorcycles must be equipped with a functional ignition kill switch or button mounted on either side of the handlebar (within reach of the hand while on the hand grips) that is capable of stopping a running engine.
It is recommended that machines be equipped with a red light on the instrument panel. This light must flash in the event of oil pressure drop.
All drain plugs must be wired. External oil filter(s) screws and bolts that enter an oil cavity must be safety wired (i.e. on crankcases, oil lines, oil coolers, etc.)
All motorcycles must have a closed breather system. The oil breather line must be connected and discharge in the airbox.
Where breather or overflow pipes are fitted they must discharge via existing outlets. The original closed system must be retained, no direct atmospheric emission is permitted.
184.108.40.206 RAIN LIGHT
All motorcycles must have a functioning red light mounted at the rear of the machine to be used in rain or low visibility conditions as instructed by Race
Control. The team must ensure that the light is switched on whenever a rain tyre is fitted on the motorcycle and/or when any practice or race is declared
“wet” by Race Control.
Lights must comply with the following: a) lighting direction must be parallel to the machine centre line (motorcycle running direction), and clearly visible from the rear at least 15 degrees to both left and right sides of the machine centre line. b) mounted on the seat/rear bodywork approximately on the machine centre line, in a position approved by the Chief Technical Officer. In case of dispute over the mounting position or visibility, the decision of the Chief Technical
Officer will be final.
c) power output/luminosity equivalent to approximately: 10 – 15W
(incandescent) 0.6 – 1.8 W (LED). d) the switch must be accessible. e) rain light power supply may be separated from the motorcycle main wiring and battery.
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