2005 YAMAHA GRIZZLY 125 valve

PERIODIC MAINTENANCE AND
ADJUSTMENT .........................................8-1
Owner’s manual and tool kit .................8-3
Periodic maintenance/Lubrication ........8-7
Engine oil ............................................8-13
Final transmission oil ..........................8-21
Spark plug inspection .........................8-27
Engine air filter element and V-belt
case air filter element cleaning .........8-31
Idle speed adjustment ........................8-43
Valve clearance adjustment ...............8-45
Throttle lever adjustment ....................8-45
Front and rear brake shoe
inspection .........................................8-47
Front brake lever free play
adjustment ........................................8-49
Rear brake adjustment .......................8-59
Drive chain slack check ......................8-61
Drive chain slack adjustment ..............8-63Lubricating and drive chain ................8-67
Draining the V-belt compartment ........8-69
Cable inspection and lubrication ........8-71
Brake lever lubrication ........................8-73
Knuckle shaft, lower arms and
steering shaft lubrication ..................8-73
Wheel removal ...................................8-75
Wheel installation ...............................8-75
Battery ................................................8-77
Replenishing a battery fluid ................8-81
Fuse replacement ...............................8-85
Replacing the headlight bulb ..............8-87
Tail/brake light bulb replacement .......8-91
Headlight beam adjustment ................8-93
Troubleshooting ..................................8-95
Troubleshooting chart .........................8-998
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5-9
NOTE:
(for Europe only)
If knocking or pinging occurs, use a different
brand of gasoline or higher octane grade.
cC
Use only unleaded gasoline. The use of lead-
ed gasoline will cause severe damage to
internal engine parts, such as the valves and
piston rings, as well as to the exhaust sys-
tem.
Recommended fuel:
Unleaded gasoline only
For Europe: Regular unleaded gasoline
only with a research octane number of
91 or higher
Fuel tank capacity:
Total: 7.6 L
Reserve: 1.3 L
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8-7
EBU02621
PERIODIC MAINTENANCE/LUBRICATION
NOTE:8For ATVs not equipped with an odometer or an hour meter, follow the month maintenance intervals.
8For ATVs equipped with an odometer or an hour meter, follow the km (mi) or hours maintenance intervals. However, keep in mind
that if the ATV isn’t used for a long period of time, the month maintenance intervals should be followed.
INITIAL EVERY
month 1 3 6 6 12
ITEM ROUTINEWhichever
km 320 1200 2400 2400 4800 comes first
(mi) (200) (750) (1500) (1500) (3000)
hours 20 75 150 150 300
Valves*• Check valve clearance.
1111
• Adjust if necessary.
• Check condition.
Spark plug• Adjust gap and clean.11111
• Replace if necessary.
Air filter element
• Clean. Every 20–40 hours
(for engine and V-belt
• Replace if necessary. (more often in wet or dusty areas)
case)
Carburetor*• Check idle speed/starter operation.
111 1
• Adjust if necessary.
Cylinder head cover• Check breather hose for cracks or damage.
111
breather system*• Replace if necessary.
• Check leakage.
Exhaust system*• Retighten if necessary.111
• Replace gasket if necessary.
Fuel line*• Check fuel hose for cracks or damage.
111
• Replace if necessary.
Engine oil• Replace (warm engine before draining).1111
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8-45
EBU00303
Valve clearance adjustment
The correct valve clearance changes with use,
resulting in improper fuel/air supply or engine
noise. To prevent this, the valve clearance must
be adjusted regularly. This adjustment however,
should be left to a professional Yamaha service
technician.
EAU00307
Throttle lever adjustment
NOTE:
Adjust the engine idling speed before adjusting
the throttle lever free play.
1. Loosen the locknut.
2. Turn the adjusting bolt until the throttle lever
free play is 3–5 mm.
3. Tighten the locknut.a q
w
1. Locknut 2. Adjusting bolt a.Free play1. Contre-écrou 2.Dispositif de réglagea. Jeu 1. Contratuerca 2.Tornillo de ajustea. Juego
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