Periodic Maintenance Chart For The Emission Control System - Yamaha TT-R90(W) Owner's Manual

Periodic maintenance chart for the emission control system

NOTE:
G
From 7000 km (4200 mi) or 18 months, repeat the maintenance intervals starting from 3000 km (1800 mi) or 6 months.
G
Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and technical
skills.
No. ITEM
1 * Fuel line
2 Spark plug
3 * Valve clearance
4 * Air filter element
Crankcase breather sys-
5 *
tem
6 * Carburetor
7 Exhaust system
8 Engine oil
PERIODIC MAINTENANCE AND MINOR REPAIR
CHECKS AND MAINTENANCE JOBS
• Check fuel hoses for cracks or damage.
• Replace if necessary.
• Check condition.
• Adjust gap and clean.
• Check and adjust valve clearance when engine is cold.
• Clean with solvent.
• Replace if necessary.
• Check ventilation hose for cracks or damage and drain
any deposits.
• Replace if necessary.
• Check engine idling speed and starter operation.
• Adjust if necessary.
• Check for leakage.
• Tighten if necessary.
• Replace gasket(s) if necessary.
• Change (warm engine before draining).
INITIAL
1000 km
(600 mi) or
1 month or
30 hours
6-3
ODOMETER READINGS
3000 km 5000 km
(1800 mi) or (3000 mi) or
6 months or 12 months or
90 hours 150 hours
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