jimg Posted July 8 Report Share Posted July 8 Hello, Fortunately, I noticed my Mountain Cub (1965?) trials conversion bike stopped pumping oil before it got too hot. I assumed it had a bad oil pump. I found a new NOS pump for $50, so I went ahead and bought it and installed it (not a fun job). Unfortunately, my bike still isn't pumping oil. Although I'm not a triumph cub engine expert, I have rebuilt, from the crank up, three motors and they have ran great after my rebuild, so I do know my way around the motor. I was very careful to install the pump correctly and it was spotless when I installed it. Could the "dry" sump not have enough oil in it? If so, how would I add some oil? To note, I haven't pulled the copper lines that go to the rockers yet and checked for blockage. Note - the bike had been sitting for about six months prior to me noticing it wasn't pumping oil. Thanks for any input. Quote Link to comment Share on other sites More sharing options...
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