I had the first model XR500 when the came out in the late seventys, I got 105mph out of her by swapping the front sproket to the biggest you could put on her without the chain rubbing on the...
Type: Posts; User: 300winmag
I had the first model XR500 when the came out in the late seventys, I got 105mph out of her by swapping the front sproket to the biggest you could put on her without the chain rubbing on the...