Yamaha RS90PB Owner's Manual page 87

RS90P / RS90PLT / RST90PGT
1
1. Oil level gauge coupler
2. Oil filler cap
RST90
1. Oil level gauge coupler
2. Oil filler cap
8. Remove the oil filler cap and the cylinder
head cap, and then remove the engine oil
drain bolt and its gasket to drain the oil
from the oil tank.
RS90P / RS90PLT
1. Cylinder head cap
Periodic maintenance and adjustment
2
1
RST90
1. Cylinder head cap
RST90PGT
1. Cylinder head cap
RS90P / RS90PLT / RST90PGT
1. Engine oil drain bolt (oil tank)
2. Gasket
1
2
1
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