Yamaha RS90RK, Service Manual

Page: 516 / 841

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