Table of Contents
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No.
Item
10 * Rotor nut (flywheel
magneto)
11 * Kickstarter system
12 * Exhaust system
13 * Crankshaft
14 * Carburetor
15
Spark plug
16 * Drive chain
17 * Cooling system
18 * Chassis fasteners
19
Air filter element
20 * Frame
21 * Fuel line
22 * Brakes
Routine
• 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.
• Check coolant level and for leak-
age.
• Check hoses for cracks or dam-
age.
• Check radiator cap spring opera-
tion.
• Change coolant.
• Check all chassis fitting and fas-
teners.
• Correct or tighten if necessary.
• Clean.
• Replace.
• Clean and check for damage.
• Clean and check for leakage.
• Adjust lever position and pedal
position.
• Lubricate pivot points.
• Check brake disk surface.
• Check fluid level and for leakage.
• Tighten brake disk bolts, caliper
bolts, master cylinder bolts and
union bolts.
• Replace brake pads.
• Replace brake fluid.
MAINTENANCE INTERVALS
Every
After
race
break-in
(about 2.5
hours)
Every 2 years
Every year
3-2
Every
Every
third race
fifth race
(about 7.5
(about 12.5
hours)
hours)
As
required
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Table of Contents
Troubleshooting
