Originally Posted by
cczjordan
Does Gx2plus crank shaft fit part 21-0907T1 fit underdog project 4port? Is it worth the upgrade, rear ceramic bearing s well.
Cranks and rods for those motors have different part numbers - so no, I dont think that would work.
The UDP was a long stroke 4 port.
I'm not 100% sure, hopefully someone else will know for definite.
Ceramic main is always a good upgrade, as long as its a reputable good quality bearing.