View Single Post
Old 07-31-2014, 09:40 PM
rogergendron1's Avatar
rogergendron1 rogergendron1 is offline
Motorized Bicycle Elite Member
Join Date: Sep 2013
Location: woburn ma
Posts: 882
Default Re: Splitting the crankcase

there is also a differance in stroke !!!

the dax f80 has a crank thats ground for 40mm stroke and all others are 38mm

so if the biggest motor is what your after then make it a dax kit

but you can get the other 66cc motors anywhere

if you want ease of parts availability then get a dax or pk 80 you will have a true 70cc motor that has standard parts

i like the grube gt5 personaly though to build apon i just seem to be able to extract more power from the stock factory port map than any other motor even though its only 66cc vs 70cc. the gt5 has differant and parts are hard to come by so be warned
IE: the jug has differant porting and the rod is longer and the piston has a differant wrist pin location
here to stay and compleatly insane ! deal with it lol
Reply With Quote