5-69
ENG
CRANKCASE
10. Lubricate:
• Crankshaft pins
• Connecting rod inner surface
(with the recommended lubricant)
Recommended lubricant:
Engine oil
11. Install:
• Top ring
1
• 2nd ring
2
• Upper oil ring rail
3
• Oil ring expander
4
• Lower oil ring rail
5
NOTE:
Be sure to install the piston rings so that the manu-
facturer’s marks or numbers
a
face up.
12. Install:
• Piston
1
(onto the respective connecting rod
2
)
• Piston pin
3
• Piston pin clip
4
NOTE:
• Apply engine oil onto the piston pin.
• Make sure that the “Y” mark
a
on the connecting
rod faces left when the punch mark
b
on the pis-
ton is pointing up. Refer to the illustration.
• Reinstall each piston into its original cylinder
(numbering order starting from the left: #1 to #3).
2
1
3
4
a
b
New
13. Offset:
• Piston ring end gaps
a
Top ring
b
2nd ring
c
Upper oil ring rail
d
Oil ring expander
e
Lower oil ring rail
È
Exhaust side
be
ad
c
È
90˚
90˚
45˚
Summary of Contents for RS90RK
Page 2: ......
Page 8: ......
Page 65: ...INSP ADJ ...
Page 158: ...2 57 INSP ADJ CARBURETOR TUNING Guide for carburetion ...
Page 195: ...INSP ADJ ...
Page 659: ... ELEC ...
Page 721: ... ELEC ...
Page 816: ...9 33 SPEC CABLE ROUTING 1 7 2 3 4 6 5 A A A A ...
Page 824: ...9 41 SPEC CABLE ROUTING 3 J K I H G F E D C B A 0 9 8 7 4 5 6 2 1 ...
Page 826: ...9 43 SPEC CABLE ROUTING 3 J K I H G F E D C B A 0 9 8 7 4 5 6 2 1 ...
Page 828: ...9 45 SPEC CABLE ROUTING A B B 1 2 3 4 5 6 7 8 9 0 A B 9 C 0 D E G F B B A ...
Page 830: ...9 47 SPEC CABLE ROUTING 1 5 2 3 4 A B 6 5 7 8 9 0 A C A A B B B A A B ...
Page 832: ...9 49 SPEC CABLE ROUTING A A 7 1 2 3 4 6 5 ...
Page 834: ...9 51 SPEC CABLE ROUTING 1 2 3 4 5 6 7 5 B B A A 8 9 4 4 A A B B ...
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