Re: 5/8 straight shaft vs 78mm tapered shaft for 4G Engine kit
Hey, if you go to 'gasbike' under 4stroke parts, they have a tapered shaft clutch that goes with the 'primary' KC vale could give you good info. Even bicyclengines prolly has the same deal. The 5/8 shaft is for your own clutch, while the 78 is referring to the diameter of the centrifugal clutch the goes with there 4g belt drive primary
Last edited by scratchbuilder; 02-07-2017 at 11:14 PM.