Kawasaki Brute Force 650/750 Crankshaft Interchange

[ksinc]

what is the difference in a 2007 650and 2007 750 crank and can the be interchanged

[Ajmboy]

I'm not sure there would be a difference, it's probably just the size of the pistons. But I would just give the dealer a call to make sure.

* Edited your thread title, added manufacturer.

[DirtDemon]

According to the parts fische I looked at, the 650 and 750 use the same crank and rods, so I would say yes.

[ksinc]

i thought i had read that somewhere but when i finally found specs on 650 theres a 3mm differance i guess there are rod and piston pin placement to change stroke but wish some knew firsthand im an automotive tech. but am pretty new to this i just got stuck with a $311 paperweight on ebay it was rods chains and a couple of more pieces i need im probly gonna bite the bullet and go new im skeered

[DirtDemon]

I have checked the parts fische on two different sites, and they both list the same part #'s for the 2007 650 and 750 cranks and rods. Here are the two diagrams from bikebandit.com.

2007 Kawasaki BRUTE FORCE 750 4X4I KVF750B7FA OEM Parts, 2007 Kawasaki BRUTE FORCE 750 4X4I KVF750B7FA OEM Motorcycle Parts - BikeBandit.com

2007 Kawasaki BRUTE FORCE 650 4X4 OEM Parts, 2007 Kawasaki BRUTE FORCE 650 4X4 OEM Motorcycle Parts - BikeBandit.com

Edited April 29, 2010 by DirtDemon

[rmax]

i have made an attempt to find the difference (3mm stroke) the cylinders are the same heigth, the pistons are the same from pin location to deck, the only thing i found was the 750 rod is about 1.5 mm shorter than a 650rod, did not have a 650 crank out of cases to be able to put into v blocks an set up to measure the throw, will have in the near future, as i have a 650 engine to tear down with a bad crank to build for a spare, an several 750 cranks laying around

[rmax]

did not notice the age of this thread , but thought it was a good question that needs to be answered. i would like to know for sure myself, maybe some one else will jump in an shine a light on this