- Joined
- Jul 19, 2020
- Messages
- 91
My KTM 400EXC digested one of it’s cam bearings. Those RFS motors have real ball bearings for the cam. So one fell apart, then distributed metal throughout the engine. I disassembled it, cleaned everything, measured for wear, replaced what it needed and started reassembly. When I got to replacing the original problem, the bad bearing, I found I did’t have a puller that would work. Now I could order one, wait a week and maybe still have to modify it. So I scrounged around, went to the hardware store and bought a stick of 1/2-13 threaded rod, 2 grade 8 flange nuts and a few more nuts and washers. Here’s what I did: