CHAPTER 3C ENGINE 100/125/150/200 SERVICE MANUAL09.0
CHAPTER 3C ENGINE PAGE.3C - 12 -
8. Measure piston outside diameter from an
angle of 90º to piston pin bore, in a
position some 9mm from piston bottom.
piston diameter limit ：46.9 mm (100cc)
52.3 mm (125cc)
56.9mm (150cc)
62.4mm (200cc)
9. Check cylinder inside surface for scratches
and wear. Measure cylinder inside
diameter from and angle of 90ºto piston
pin and in upper, middle and lower three
positions.
cylinder diameter limit ：47.1 mm (100cc)
52.5 mm (125cc)
57.1mm (150cc)
62.6mm (200cc)
Check cylinder body evenness.
limit ：0.05mm.
Install cylinder in the reverse order of
removal.
NOTE:
Make sure to install the piston rings so that the slots
are staggered by 120º and the sides with letters on
are located upwards.
3.4.3 V-belt AND CVT
1. Remove left crankcase cover.
2. Remove drive face.
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