Search found 3 matches

by jimbobwa
Fri Feb 10, 2012 5:09 pm
Forum: Liquid Cooled, Motorcycle Engine & Automatics Section
Topic: polini X3 50cc piston sizes
Replies: 5
Views: 4308

Re: polini X3 50cc piston sizes

hey darrell,
did you ever get a chance to dig around and see if you have anny usable cylinders around.
jim
by jimbobwa
Mon Feb 06, 2012 3:53 pm
Forum: Liquid Cooled, Motorcycle Engine & Automatics Section
Topic: polini X3 50cc piston sizes
Replies: 5
Views: 4308

Re: polini X3 50cc piston sizes

that would be greatfull if you could take a peek and see if you've got anything useable!!! is the d size a cylinder bore oversize or do you know what the a b c d referances are designating ??? it's not used for any sanctioned races....ha,ha...i use it for my 10 tear-olds entertainment !! we've got a...
by jimbobwa
Mon Feb 06, 2012 4:36 am
Forum: Liquid Cooled, Motorcycle Engine & Automatics Section
Topic: polini X3 50cc piston sizes
Replies: 5
Views: 4308

polini X3 50cc piston sizes

does anyone know if there are any oversize pistons available for a polini w/c "works" 50cc motor. the bore i have is a 40.2mm, and has a minor scratch from a spark plug falling apart. if anyone knows of a 41mm piston with a compression height of around 25mm with a 12mm pin, i would realy a...