Periodic maintenance and adjustment
7-4
7
15 Spark plug
• Check condition.
• Clean and regap.
√√
•Replace. √
16 * Drive chain
• Check chain slack, alignment and condi-
tion.
• Adjust and thoroughly lubricate chain with
Yamaha chain and cable lube or equiva-
lent.
√√
•Replace. √
17 * Cooling system
• Check coolant level and for leakage. √√
• Check hoses for cracks or damage. √
• Check radiator cap spring operation. √
• Change coolant. Every 2 years √
18 * Chassis fasteners
• Check all chassis fitting and fasteners.
• Correct or tighten if necessary.
√√
19 Air filter element
• Clean. √√
•Replace. √
20 * Frame • Clean and check for damage. √√
21 * Fuel line • Clean and check for leakage. √√
22 * Brakes
• Adjust lever position and pedal height.
• 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. Every year √
NO. ITEM ROUTINE
After break-
in
Every race
Every third
race
Every fifth
race
As required
UB4B13E0.book Page 4 Wednesday, August 25, 2021 7:15 AM
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