savant
New Member
can i run my bike on one ring 66 cc
piston rings
- Thread starter savant
- Start date
butre
Well-Known Member
you mean with one ring? one ring is fine if it's the top ring. you can leave the bottom groove unpopulated.
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Deleted member 12676
Guest
one ring only will lower compression and therefore lower power.
butre
Well-Known Member
if the ring is in spec it won't, but then again I haven't seen many rings that were in spec.
butre
Well-Known Member
It's a bit of a double edged sword. you might lower compression, but you'll reduce reciprocating mass and friction as well.
how do I edit my posts with the new forum software?
how do I edit my posts with the new forum software?
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Deleted member 12676
Guest
When I measured the end gap of new rings in a new cylinder they were 3 times the allowable gap!
butre
Well-Known Member
the general rule I've always gone by (and what several manufacturers recommend) is 4 thou per inch of bore, meaning .0074 is just about ideal. I've not seen any over 12 thou., and sure haven't seen any over 20 thou
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