Yamaha VMX12H, Дополнительное руководство по обслуживанию

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IN SPEC TIO N A N D R EPA IR
2. P osition:
Piston ring
Into cylinder.
Push the ring w ith the piston crow n,
3. M easure:
End gap
U se the Feeler G auge .
O ut of specification
R eplace rings as
set.
2nd Ring
0. 35 ~ 0.50 m m
(0.0138 ~
0.75 m m
0.0197 in)
(0.0295 in)
0. 2~0. 8m m
O il Ring
(O.OO8O.~
0.032 in)
Oversize Piston Rings
• The oversize top and m iddle ring sizes are
stam ped on top of the ring.
Oversize 1 0.25 m m (0.0098 i n)
Oversize 2
0. 50
mm
(0.0197 in)
*The expander spacer of the bottom ring (oil
control ring) is color-coded to identify sizes.
The color m ark is painted on the expander
spacer.
Piston Pin
1. Lubricate:
*Piston pin (lightly)
2. Install:
• Piston pin
Into sm all end of connecting rod.
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