Periodic Maintenance Chart: Emission Control System - Yamaha RAPTOR 90 2020 Owner's Manual

EBU21747

Periodic maintenance chart: Emission control system

TIP
 For ATVs not equipped with an odometer or an hour meter, follow the month maintenance intervals in-
stead.
 For odometer or hour meter-equipped vehicles, follow the month maintenance interval if the ATV isn't
ridden for the stated mileage or engine operating hours.
 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
9
2 Spark plug
3 * Valves
4 * Carburetor
Crankcase breath-
5 *
er system
CHECK OR MAINTENANCE
JOB
• Check fuel hoses for cracks or other damage, and
replace if necessary.
• Check condition and clean, regap, or replace if
necessary.
• Check valve clearance and adjust if necessary.
• Check starter (choke) operation and correct if
necessary.
• Check engine idling speed and adjust if neces-
sary.
• Check breather hose for cracks or other damage,
and replace if necessary.
month 1
Whichev-
er comes
320
km (mi)
first
(200)
hours 20
√
√
9-3
INITIAL EVERY
3 6 6
1300 2500 2500 5000
(800) (1600) (1600) (3200)
80 160 160
√ √
√ √ √
√ √
√ √ √
√ √
12
320
√
√
√
√
√