Maintenance Charts - Yamaha WOLVERINE X4 2021 Owner's Manual

EBU37180

Maintenance charts

Even if the vehicle isn't driven for the stated mileage or engine hours, the month maintenance
intervals should still be followed. Items marked with an asterisk should be performed by a
Yamaha dealer as they require special tools, data and technical skills.
EBU35772
Periodic maintenance chart for the emission control system
NO. ITEM
1 * Fuel line
2 * Valves
9
3 * Spark plugs
4 * Breather system
5 * Fuel injection
ROUTINE
• Check fuel hose for cracks or damage.
• Replace if necessary.
• Check valve clearance and adjust if neces-
sary.
• Check condition.
• Adjust gap and clean.
• Replace if necessary.
• Check breather hose for cracks or damage.
• Replace if necessary.
• Adjust synchronization.
month 1
Whichev-
er comes
km 240
first
(mi) (150)
hours 20
√
√
9-4
INITIAL EVERY
3 6 6
1300 2500 2500
(800) (1600) (1600)
80 160 160
√ √
Every 5000 km (3200 mi).
√ √ √
√ √
√ √ √
12
5000
(3200)
320
√
√
√
√