The Flying Scot Posted June 2, 2013 Share Posted June 2, 2013 Just wondering if anyone can point me in the right direction. I bought a TZR (my third project) last year and let my son use the engine on his bike till we got his repaired. After about a week or so of using it the gearbox oil was like mayonase. His own engine was then repaired so I stripped down my engine completely cleaned all casings and gears and put it back together with new gaskets. The problem has gone away. I'm hoping its not a cracked casing? Anyone got any bright ideas. Link to comment Share on other sites More sharing options...
Moderator Cynic Posted June 2, 2013 Moderator Share Posted June 2, 2013 Waterpump seal. Not uncommon. When it fails coolant gets into the gearbox. The rebuild with im assuming new seals will have fixed it. Link to comment Share on other sites More sharing options...
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