Piston questions etc?

mjc85 · #1 (**permalink**) 25-05-2007, 11:59 PM

Ok, just wanting to clarify a few things.

I know piston sizes come in like half millimetre increments, but for the Lifan and Jialing (GPX) what size pistons do you need for standard bore? And could you not get way with .5mm smaller piston?

And a Jialing has a 13mm wrist pin and Lifan 14mm wrist pin, correct?

And without me pulling my motor apart can anyone tell me what size wristpin the Motovert Outlaw motor has?

Cheers
Mitch

tubes380 · #2 (**permalink**) 26-05-2007, 12:11 AM

all types of engines have different dimensions for both the piston and wrist pin and length of the bore
so youd either have to pull it apart and measure or someone that has would have to tell you or maybe you could get the specs off their website but each engine has its own dimensions usually.

mad man · #3 (**permalink**) 26-05-2007, 12:18 AM

you can't get away with the .5 because it will have some play in the barel, when it goes up and down it rubs against the cylinder making it wear away - further down the track you will have less compression and loss of power, it will work but