Hendo Posted December 16, 2017 Share Posted December 16, 2017 Hi Guys/Girls, can anyone give advice on this. My Old Boy and I have just started servicing the 94 750, and as we were flushing the coolant system we’ve noticed that there seems to be a fresh oil leak that has just started on the 3 bolt exhaust flange at the rear of the motor. We originally had a smokey exhaust when we first picked it up, this has stopped. We believed it was either old stale fuel, or a slightly sticky ring. The rear spark plugs had a coating of oil while the fronts were clean. Any advice would be handy on thoughts as to what could be occurring? If it’s a sticky ring, any way of releasing it? And if this isn’t the case, what cost am I looking at to get into the motor to fix this ? Thanks Hendo Link to comment Share on other sites More sharing options...
Member Contributer JZH Posted December 16, 2017 Member Contributer Share Posted December 16, 2017 I'd be looking at the rear cam cover gasket, personally. That joint is a few inches away from the engine, so I think the bike would have to be absolutely puking oil for that much of it to get to that point via an internal route. Ciao, Link to comment Share on other sites More sharing options...
Member Contributer YoshiHNS Posted December 22, 2017 Member Contributer Share Posted December 22, 2017 I had oil coming out of the exhaust on a VF500C. There was a hole in the piston and busted valves, so oil free to flow out. That is highly unlike with the VFR750, but I would do a compression test to make sure things are ok. Link to comment Share on other sites More sharing options...
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