Yamaha RS VECTOR Owner's Manual page 86

Periodic maintenance and adjustment
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 / RST90PGT
1. Cylinder head cap
80
RST90
2
1. Cylinder head cap
RS90P / RS90PLT / RST90PGT
1. Engine oil drain bolt (oil tank)
2. Gasket
RST90
1
1. Engine oil drain bolt (oil tank)
2. Gasket
9.
10. Remove the engine oil drain bolt and its
2
1
2
1
Place an oil pan under the engine to col-
lect the used oil.
gasket to drain the oil from the crank-
case.