Piston Ring And Piston Assembly - Yamaha EF3000iSE Service Manual

PISTON, CONNECTING ROD, CRANKSHAFT AND
CRANKCASE

PISTON RING AND PISTON ASSEMBLY

1. Install:
• Top ring 1
• 2nd ring 2
• Oil ring 3
NOTE:
• Be sure to install the second ring so that the
manufactures mark a faces towards the
piston head.
• Make sure that the piston rings move
smoothly.
2. Apply 4-stroke engine oil to the inside of
the connecting rod small end.
SVW3770
3. Install:
• Piston 1
• Piston pin 2
• Piston pin circlip 3
NOTE:
• Make sure that the "YAMAHA" mark a on
the connecting rod faces toward the crank-
case cover.
• Make sure that the "
SVU3720J
ton head faces toward the push rod.
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ENG
New
" mark b on the pis-