Yamaha EF1000 - Piston Ring and Piston Installation

•llllnll
PISTON, CAMSHAFT, CRANKCASE, CRANKSHAFT
ENG 8
3-18
CRANKCASE COVER INSPECTION
1. Inspect:
•Crankcase cover
•Bearing
Damage/Roughness---+Replace.
PISTON RING AND PISTON INSTALLATION
1. Install:
•Piston rings
CAUTION:
• Be sure to install rings so that manufactur-
ers marks <D faces to piston head.
• Be sure each piston ring end is positioned
as illustration.
Top ring
®
2nd ring
@
Oil ring @
2. Install:
•Piston pin
•Piston pin circlips
,_, Piston pin circlip:
3. Install:
•Piston
~
~
~
Use a piston ring compressor G).
Piston ring compressor:
VU-33294(90890-05158)