Yamaha RS90K Manuel D'atelier page 516

CRANKCASE
CRANKCASE
E
Ê
E
É
E
É
2
Ë
1
Ë
Ë
Order Job name/Part name
Crankcase removal
Engine
Cylinder head
A.C. magneto rotor/starter clutch gear
Oil pump
Water pump
Starter motor
1 Engine mounting bracket
2 Primary sheave drive shaft assembly bolt
3 Oil pump drive chain guide
4 Oil pump drive chain
5 Timing chain guide (exhaust side)
6 Timing chain
7 Timing chain guide (intake side)
8 Lower crankcase
Ê É
E
É
E
É
New
È
11
1
10
5-49
CRANKCASE
É
È:
É:
Ê:
É
Ë:
E
8
9
LT
7
Q'ty
Remove the parts in the order listed below.
Refer to "ENGINE ASSEMBLY".
Refer to "CYLINDER HEAD".
Refer to "A.C. MAGNETO ROTOR AND
STARTER CLUTCH".
Refer to "OIL PAN AND OIL PUMP".
Refer to "WATER PUMP" in CHAPTER 6.
Refer to "STARTER MOTOR" in CHAPTER
8.
2
4
1
1
1
1
1
1
ENG
10 Nm (1.0 m kg, 7.2 ft lb)
• •
kg, 8.7 ft lb)
12 Nm (1.2 m
• •
kg, 17 ft lb)
24 Nm (2.4 m
• •
kg, 18 ft lb)
25 Nm (2.5 m
• •
3
È
5
LT
6
È
4
LT
Remarks