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replacement piston for the yamaha chappy polini 70cc 45mm kit.
comes with piston, rings, wrist pin and clips
overbore pistons also available special order department or else 45.4mm and 45.8mm
i bet you could use this piston on other kits too. like the honda MB5 polini kit. it's got the same wrist pin size and placement and almost identical design, only difference is it's got two rings.
204.0280
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