INSTRUMENT AND CONTROL FUNCTIONS. Yamaha TT-R 230

Below you will find brief information for motorcycle TT-R 230. This motorcycle is designed for off-road use only, therefore, it is illegal to operate it on public streets, roads, or highways, even a dirt or gravel one. Off-road use on public lands may be illegal. The TT-R 230 is designed to carry the operator only. No passengers.

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Ignition switch

INSTRUMENT AND CONTROL FUNCTIONS

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Handlebar switches

Left

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Engine stop button “ENGINE STOP”

Hold this button pushed until the engine stops in case of an emergency, such as when the vehicle overturns or when the throttle cable is stuck.

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Start switch “ ”

Push this switch to crank the engine

with the starter. See page 6-1 for start-

ing instructions prior to starting the engine.

The ignition switch controls the ignition system. The ignition switch positions are described below.

1. Engine stop switch

Right

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All electrical systems are supplied with power, and the engine can be started.

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OFF

All electrical systems are off.

1. Start switch

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INSTRUMENT AND CONTROL FUNCTIONS

Clutch lever

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Shift pedal

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Brake lever

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1. Clutch lever

The clutch lever is located at the left handlebar grip. To disengage the clutch, pull the lever toward the handlebar grip. To engage the clutch, release the lever. The lever should be pulled rapidly and released slowly for smooth clutch operation.

The clutch lever is equipped with a clutch switch, which is part of the start-

ing circuit cut-off system. (See page

4-9.)

1. Shift pedal

The shift pedal is located on the left side of the motorcycle and is used in combination with the clutch lever when shifting the gears of the 6-speed constant-mesh transmission equipped on this motorcycle.

1. Brake lever

The brake lever is located on the right side of the handlebar. To apply the front brake, pull the lever toward the throttle grip.

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INSTRUMENT AND CONTROL FUNCTIONS

Brake pedal

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Fuel tank cap

1. Brake pedal

The brake pedal is located on the right side of the motorcycle. To apply the rear brake, press down on the brake pedal.

1. Fuel tank cap

2. Remove.

To remove the fuel tank cap, turn it counterclockwise, and then pull it off.

To install the fuel tank cap, insert it into the tank opening, and then turn it clockwise.

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WARNING

Make sure that the fuel tank cap is properly closed after filling fuel.

Leaking fuel is a fire hazard.

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Fuel

Make sure there is sufficient gasoline in the tank.

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WARNING

Gasoline and gasoline vapors are extremely flammable. To avoid fires and explosions and to reduce the risk of injury when refueling, follow these instructions.

1. Before refueling, turn off the engine and be sure that no one is sitting on the vehicle. Never refuel while smoking, or while in the vicinity of sparks, open flames, or other sources of ignition such as the pilot lights of water heaters and clothes dryers.

2. Do not overfill the fuel tank. Stop filling when the fuel reaches the bottom of the filler tube. Because fuel expands when it heats up, heat from the engine or the sun can cause fuel to spill out of the fuel tank.

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INSTRUMENT AND CONTROL FUNCTIONS ately. If gasoline spills on your skin, wash with soap and water. If gasoline spills on your clothing, change your clothes.

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Gasohol

There are two types of gasohol: gasohol containing ethanol and that containing methanol. Gasohol containing ethanol can be used if the ethanol content does not exceed 10% (E10). Gasohol containing methanol is not recommended by Yamaha because it can cause damage to the fuel system or vehicle performance problems.

1. Fuel tank filler tube

2. Maximum fuel level

3. Wipe up any spilled fuel immediately.

NOTICE: Immediately wipe off spilled fuel with a clean, dry, soft cloth, since fuel may deteriorate painted surfaces or plastic parts.

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4. Be sure to securely close the fuel tank cap.

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WARNING

Gasoline is poisonous and can cause injury or death. Handle gasoline with care. Never siphon gasoline by mouth. If you should swallow some gasoline or inhale a lot of gasoline vapor, or get some gasoline in your eyes, see your doctor immedi-

Recommended fuel:

Regular unleaded gasoline only

Fuel tank capacity:

8.0 L (2.11 US gal, 1.76 Imp.gal)

Fuel reserve amount:

1.8 L (0.48 US gal, 0.40 Imp.gal)

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NOTICE

Use only unleaded gasoline. The use of leaded gasoline will cause severe damage to internal engine parts, such as the valves and piston rings, as well as to the exhaust system.

Your Yamaha engine has been designed to use regular unleaded gasoline with a research octane number of

91 or higher. If knocking (or pinging) occurs, use a gasoline of a different brand or premium unleaded fuel. Use of unleaded fuel will extend spark plug life and reduce maintenance costs.

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INSTRUMENT AND CONTROL FUNCTIONS

Fuel tank breather hose

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Fuel cock

The fuel cock supplies fuel from the tank to the carburetor while filtering it also.

The fuel cock has three positions:

OFF

1. Fuel tank breather hose

Before operating the motorcycle:

 Check the fuel tank breather hose connection.

 Check the fuel tank breather hose for cracks or damage, and replace it if necessary.

 Make sure that the fuel tank breather hose is not blocked, and clean it if necessary.

1. Arrow mark positioned over “OFF”

With the lever in this position, fuel will not flow. Always return the lever to this position when the engine is not running.

1. Arrow mark positioned over “ON”

With the lever in this position, fuel flows to the carburetor. Normal riding is done with the lever in this position.

RES

1. Arrow mark positioned over “RES”

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INSTRUMENT AND CONTROL FUNCTIONS

This indicates reserve. If you run out of fuel while riding, move the lever to this position. Fill the tank at the first opportunity. Be sure to set the lever back to

“ON” after refueling!

Starter (choke) knob “ ”

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Seat

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To remove the seat

Remove the bolts, and then pull the seat off.

1. Starter (choke) knob

Starting a cold engine requires a richer air-fuel mixture, which is supplied by the starter (choke).

Move the knob in direction (a) to turn on the starter (choke).

Move the knob in direction (b) to turn off the starter (choke).

1. Bolt

To install the seat

1. Insert the projections on the front of the seat into the seat holders as shown.

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INSTRUMENT AND CONTROL FUNCTIONS

1. Projection

2. Seat holder

2. Place the seat in the original position, and then tighten the bolts.

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Make sure that the seat is properly secured before riding.

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Adjusting the shock absorber assembly

This shock absorber assembly is equipped with a spring preload adjusting nut.

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NOTICE

To avoid damaging the mechanism, do not attempt to turn beyond the maximum or minimum settings.

Adjust the spring preload as follows.

1. Loosen the locknut.

decrease the spring preload and thereby soften the suspension, turn the adjusting nut in direction

(b).

The spring preload setting is determined by measuring distance

A, shown in the illustration. The shorter distance A is, the lower the spring preload; the longer distance A is, the higher the spring preload.

1. Locknut

2. Adjusting nut

2. To increase the spring preload and thereby harden the suspension, turn the spring preload adjusting nut in direction (a). To

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1. Distance A

Spring preload:

Minimum (soft):

Distance A = 194 mm (7.6 in)

Standard:

Distance A = 204 mm (8.0 in)

Maximum (hard):

Distance A = 206 mm (8.1 in)

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INSTRUMENT AND CONTROL FUNCTIONS

3. Tighten the locknut to the specified torque. NOTICE: Always tighten the locknut against the adjusting nut, and then tighten the locknut to the specified torque.

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Tightening torque:

Locknut:

70 Nm (7.0 m·kgf, 51 ft·lbf)

 Do not deform or damage the cylinder in any way. Cylinder damage will result in poor damping performance.

 Do not dispose of a damaged or worn-out shock absorber assembly yourself. Take the shock absorber assembly to a Yamaha dealer for any service.

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WARNING

This shock absorber assembly contains highly pressurized nitrogen gas. Read and understand the following information before handling the shock absorber assembly.

 Do not tamper with or attempt to open the cylinder assembly.

 Do not subject the shock ab- sorber assembly to an open flame or other high heat source.

This may cause the unit to explode due to excessive gas pressure.

Sidestand

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1. Sidestand

The sidestand is located on the left side of the frame. Raise the sidestand or lower it with your foot while holding the vehicle upright.

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WARNING

The vehicle must not be ridden with the sidestand down, or if the sidestand cannot be properly moved up

(or does not stay up), otherwise the sidestand could contact the ground and distract the operator, resulting in a possible loss of control.

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Starting circuit cut-off system

The starting circuit cut-off system

(comprising the clutch switch and the neutral switch) prevents starting when the transmission is in gear and the clutch lever is not pulled.

Periodically check the operation of the starting circuit cut-off system according to the following procedure.

TIP

This check is most reliable if performed with a warmed-up engine.

INSTRUMENT AND CONTROL FUNCTIONS

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INSTRUMENT AND CONTROL FUNCTIONS

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Key features

Off-road use only
Single-track vehicle
6-speed constant-mesh transmission
Starter (choke) for cold engine starting
Spring preload adjusting nut
Starting circuit cut-off system

Frequently asked questions

Turn the fuel cock lever to “ON”, push the ignition switch to set it to “ON”, shift the transmission into the neutral position, turn the starter (choke) on and completely close the throttle, start the engine by pushing the start switch, after starting the engine, move the starter (choke) back halfway, and when the engine is warm, turn the starter (choke) off.

Use only unleaded gasoline with a research octane number of 91 or higher. If knocking (or pinging) occurs, use a gasoline of a different brand or premium unleaded fuel. Use of unleaded fuel will extend spark plug life and reduce maintenance costs.

Check fuel level, engine oil level, front brake operation, rear brake operation, clutch operation, throttle grip operation, control cables, drive chain slack, wheels and tires, brake and shift pedals, brake and clutch levers, sidestand, and chassis fasteners.

Loosen the locknut, turn the adjusting nut in the direction (a) to increase the spring preload and thereby harden the suspension, turn the adjusting nut in direction (b) to decrease the spring preload and thereby soften the suspension, tighten the locknut to the specified torque.