Modern Vespa : Piston ring gap for oversized cylinders

Piston ring gap for oversized cylinders

OP Nelluch125 UTC details Hooked 1981 Vespa P200e, 1985 Vespa PX125e, 1985 T5, 1971 Sprint Veloce Joined: UTC Posts: 400 Location: St. Catharines, Ontario
OP Nelluch125 Hooked 1981 Vespa P200e, 1985 Vespa PX125e, 1985 T5, 1971 Sprint Veloce Joined: UTC Posts: 400 Location: St. Catharines, Ontario	UTC quote Hi again, Does the piston ring gap need to change based on the size of the cylinder? I understand that 0.4mm is the standard gap for a piston rings for a p200 standard cylinder. My question is: does that gap need to change if I have an oversized cylinder? (In my case 2nd OS). Thanking you in advance. N

MJRally UTC details Veni, Vidi, Posti 73 Rally, 76 ET3, 80 P200, 61 Ser 2, 65 Silver Special Joined: UTC Posts: 5345 Location: Oceanside, CA
MJRally Veni, Vidi, Posti 73 Rally, 76 ET3, 80 P200, 61 Ser 2, 65 Silver Special Joined: UTC Posts: 5345 Location: Oceanside, CA	UTC quote No change. You'll get oversize rings with your oversize piston. Keep it the same .4mm gap and youre good to go! Positive

OP Nelluch125 UTC details Hooked 1981 Vespa P200e, 1985 Vespa PX125e, 1985 T5, 1971 Sprint Veloce Joined: UTC Posts: 400 Location: St. Catharines, Ontario
OP Nelluch125 Hooked 1981 Vespa P200e, 1985 Vespa PX125e, 1985 T5, 1971 Sprint Veloce Joined: UTC Posts: 400 Location: St. Catharines, Ontario	UTC quote Ok!!! Wonderful! That was easy! Thank you.

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