Originally Posted by bucky1

Hi, Have been running nitro for about close to 5 years now. Had a few RB motors in that time but nothing like this has happened.

The problem is, the pinch at the top seams to have become tighter than it was brand new.

The only way to get it to turn over now (out of the buggy) is t use multi grips or pliers to turn it over (with the fly wheel on). You can't turn it over by hand.

I run an Ofna box with twin 775 motors and a Lipo to power them, Motor pre heated, plug out and it just locks up at tdc.

This really has me stumped as to what is going on.
Any ideas on what is going on and how get it fired up again is greatly appreciated.
Cheers.