Yamaha YZ85M 2021 Owner's Manual page 42

Periodic maintenance and adjustment
NO. ITEM
7 *
Clutch
8 *
Transmission
Shift forks, guide
9 *
bars, shift cam
Rotor nut
10 *
(flywheel magneto)
11 *
Kickstarter system
12 *
Exhaust system
13 *
Crankshaft
7
14 *
Carburetor
15
Spark plug
16 *
Drive chain
ROUTINE
• Check clutch housing, friction plates,
clutch plates and clutch springs for
wear or damage.
• Adjust.
• Replace.
• Change the transmission oil.
• Check transmission for damage.
• Replace bearings.
• Check all parts for wear and damage.
• Replace if necessary.
• Tighten.
• Check idle gear for damage.
• Replace if necessary.
• Check exhaust pipe and muffler for
carbon deposits.
• Clean.
• Check crankshaft for carbon deposits
and damage.
• Clean.
• Check carburetor settings and for
obstructions.
• Adjust and clean.
• Check condition.
• Clean and regap.
• Replace.
• Check chain slack, alignment and
condition.
• Adjust and thoroughly lubricate chain
with Yamaha chain and cable lube or
equivalent.
• Replace.
7-3
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