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Maintenance
NOTE:
Consult your Yamaha dealer if any operation is abnormal.
EMU29171
Checking propeller
EWM00321
WARNING
You could be seriously injured if the engine accidentally starts when you are near the propeller.
● Before inspecting, removing, or installing the propeller, remove the spark plug caps from the spark plugs. Also, place the shift control in neutral, turn the main switch to “ ” (off) and remove the key, and remove the lanyard from the engine stop switch. Turn off the battery cut-off switch if your boat
● has one.
Do not use your hand to hold the propeller when loosening or tightening the propeller nut. Put a wood block between the anti-cavitation plate and the propeller to prevent the propeller from turning.
ZMU01897
Checkpoints
● Check each of the propeller blades for wear, erosion from cavitation or ventilation, or other damage.
● Check the propeller shaft for damage.
● Check the splines / shear pin for wear or damage.
● Check for fish line tangled around the propeller shaft.
ZMU03663
● Check the propeller shaft oil seal for damage.
NOTE:
If the shear pin equipped: it is designed to break if the propeller hits a hard underwater obstacle to help protect the propeller and drive mechanism. The propeller will then spin freely on the shaft. If this happens, the shear pin must be replaced.
66
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Table of contents
- 7 General information
- 7 Identification numbers record
- 7 Outboard motor serial number
- 7 Key number
- 7 Emission control information
- 7 North American models
- 8 Star labels
- 9 Safety information
- 10 Important labels
- 10 Warning labels
- 11 Caution labels
- 11 (Rules of the road)
- 11 sound signals
- 12 Rules when encountering vessels
- 13 Other special situations
- 14 Fueling instructions
- 15 Gasoline
- 15 Engine oil
- 16 Battery requirement
- 16 Battery specifications
- 16 Propeller selection
- 17 Start-in-gear protection
- 18 Basic components
- 18 Main components
- 19 Fuel tank
- 19 Fuel joint
- 20 Fuel gauge
- 20 Fuel tank cap
- 20 Air vent screw
- 20 Remote control
- 20 Remote control lever
- 20 Neutral interlock trigger
- 20 Neutral throttle lever
- 21 Tiller handle
- 21 Gear shift lever
- 21 Throttle grip
- 21 Throttle indicator
- 22 Throttle friction adjuster
- 22 Engine stop lanyard switch
- 23 Engine stop button
- 23 Main switch
- 24 Steering friction adjuster
- 24 remote control or tiller handle
- 25 bottom engine cowling
- 25 Variable trolling RPM switches
- 26 Trim tab with anode
- 26 and tilt or hydro tilt model
- 27 (turn type)
- 27 Flushing device
- 27 Water separator
- 27 Tachometer
- 28 Digital tachometer
- 28 indicator
- 29 Overheat warning indicator
- 29 (digital type)
- 29 Speedometer (digital type)
- 30 Trim meter
- 30 Trim meter (digital type)
- 30 Hour meter (digital type)
- 31 Trip meter
- 31 Clock
- 32 Fuel gauge
- 32 Fuel warning indicator
- 32 indicator
- 33 meters
- 33 Tachometer unit
- 36 Speed & fuel meter unit
- 37 Speedometer unit
- 38 Fuel management meter
- 39 Warning system
- 39 Overheat warning
- 39 Low oil pressure warning
- 41 Operation
- 41 Installation
- 41 Mounting the outboard motor
- 42 Breaking in engine
- 42 Procedure for 4-stroke models
- 42 Preoperation checks
- 43 Controls
- 43 Engine
- 43 Checking the engine oil level
- 43 Filling fuel
- 44 Ring Free Fuel Additive
- 44 Operating engine
- 44 Feeding fuel (portable tank)
- 45 Starting engine
- 48 Warming up engine
- 48 models
- 48 Shifting
- 48 control models)
- 49 and power trim and tilt models)
- 50 Trolling
- 50 Adjusting trolling speed
- 50 Stopping engine
- 50 Procedure
- 51 Trimming outboard motor
- 51 Adjusting trim angle
- 52 Adjusting boat trim
- 53 Tilting up and down
- 54 power tilt models)
- 56 Cruising in shallow water
- 56 power tilt models
- 57 Cruising in other conditions
- 58 Maintenance
- 58 Specifications
- 59 motor
- 60 Storing outboard motor
- 60 Procedure
- 61 Lubrication
- 61 measures
- 62 Battery care
- 62 Flushing power unit
- 63 Cleaning the outboard motor
- 63 motor
- 64 Periodic maintenance
- 64 Replacement parts
- 65 Maintenance chart
- 66 Maintenance chart (additional)
- 67 Greasing
- 68 Checking fuel system
- 69 Inspecting idling speed
- 69 Changing engine oil
- 71 Checking wiring and connectors
- 71 Exhaust leakage
- 71 Water leakage
- 71 Engine oil leakage
- 71 power tilt system
- 72 Checking propeller
- 73 Removing the propeller
- 73 Installing the Propeller
- 74 Changing gear oil
- 75 Cleaning fuel tank
- 75 anode(s)
- 76 models)
- 77 Connecting the battery
- 78 Disconnecting the battery
- 78 Checking top cowling
- 78 Coating the boat bottom
- 79 Trouble Recovery
- 79 Troubleshooting
- 82 Temporary action in emergency
- 82 Impact damage
- 82 Replacing fuse
- 83 not operate
- 83 blinks while cruising
- 85 Starter will not operate
- 86 Emergency starting engine
- 86 Treatment of submerged motor
- 87 Procedure
- 88 Consumer information
- 88 U.S.A. and Canada
- 90 WARRANTY
- 92 THE USA OR CANADA