MAINTENANCE
SERVICE MANUAL NUMBER 22
90-860074--1 FEBRUARY 2002 Page 1B-19
Changing Engine Oil and Oil Filter
IMPORTANT: Change oil when engine is warm from operation. Warm oil flows more
freely, carrying away more impurities. Use only recommended engine oil (see
Specifications).
1. Start engine and allow it to reach normal operating temperature.
2. Stop the engine and allow approximately 10 minutes for oil to drain into oil pan.
3. Remove threaded fitting from crankcase oil drain hose.
4. Install crankcase oil pump (90265A2) onto threaded fitting of oil drain hose.
a
b
75298
70571
a
b
c
a-Oil Drain Hose
b-Threaded Fitting
c-Crankcase Oil Pump
5. Pump oil out of crankcase into drain pan.
6. Remove crankcase oil pump.
7. Install threaded fitting on crankcase oil drain hose.