General periodic maintenance
10-13
PTT unit operation
Check the PTT unit operation.
PTT operation is not smoothly Chec
k the PTT fluid level.
10-21
Check the tilt stop lever.
Tilt stop lever does not operate properly Chec
k the related
parts.
9-25
Check the PTT fluid leakage.
Leaking Chec
k the related parts.
9-24
Shift link/shift cable
Check the shift cable when the remote control lever or gear shift
le
ver is moved to the N position.
Not at the proper position Adjust
the shift cable joints or check
the related parts.
3-5
Spark plug
Clean the electrodes using a spar
k plug cleaner. —
Check the spark plug.
Electrodes are damaged/worn or insulator is abnormal color
Repla
ce.
7-18
Check the spark plug gap.
Out of specification Replace
.
Spark plug
caps/sp
ark plug wires
Measure the spark plug cap resistance.
Out of specification Replace
.
5-28
5-29
Throttle link/throttle
cab
le
Check the throttle cable when the remote control lever is moved to
the N po
sition (remote control model).
Check the throttle cable when the throttle grip is turned to the fully
closed
position (tiller handle model).
Not at the proper position Adjust
the throttle cable joint or
check the related parts.
3-6
6-22
Timing belt
Check the timing belt.
Cracked/damaged/worn Repla
ce.
7-13
Thermostat
Measure the thermostat valve opening.
Out of specification Replace
.
7-26
Cowling lock lever
Check the fitting by pushing the top cowling.
Looseness/rattling Adjust o
r replace the top cowling stopper.
10-22
Valve clearance
Check the valve clearance.
Out of specification Adjust.
7-2
Water pump
Check the water pump housing.
Deformed Replace
.
8-4
Check the impeller, insert cartridge, and outer plate cartridge.
Cracked/worn Replace
.
Check the impeller key and keyway in the drive shaft.
Deformed/worn Repla
ce.
Wire harness lead Check the wire harness coupler and lead coupler connections. —
(Yamaha)
Mete
r/gauge
Check the meter/gauge display. —
Item Procedures See
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