
Originally Posted by
oyster
years ago we had a '96 RS125 with a sloppy main bearing. About 0.1 clearance I think from memory. This is the perfect amount for a Loctite film(the correct grade of course) to form and hold well. Over 2 years of racing we replaced the bearings at 1250Km (half crank life) and each time the Loctite film was happily still there doing it's job. The clearance never got worse and the bike was quick, 45hp / 200km/hr plus as they're meant to be.
Later owners sleeved the cases and had lots of trouble, seizing bearings (too tight?) I think now it has new cases and BTW is the NZ current No 2.
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