David.. Argyll Posted February 15, 2020 Report Share Posted February 15, 2020 Looking for some advice new to trials and bikes.. Gear box sight glass has white oil (full) on checking my fluids the radiator was empty guessing it's mixed somehow is there an obvious place to start looking thanks in advance. Only had the bike 4 days Quote Link to comment Share on other sites More sharing options...
thall1 Posted February 15, 2020 Report Share Posted February 15, 2020 Water pump shaft seal... it’s a lip seal that wears and also the actual shaft also wears where the seal runs on the shaft. Quote Link to comment Share on other sites More sharing options...
lineaway Posted February 15, 2020 Report Share Posted February 15, 2020 Save yourself time and money, go ahead and replace both. Quote Link to comment Share on other sites More sharing options...
zippy Posted February 16, 2020 Report Share Posted February 16, 2020 Of course refill with new gearbox oil, but be sure to run it until warm, dump that oil and fill with new. That will help get rid of any residual coolant in the gearbox. Quote Link to comment Share on other sites More sharing options...
peterb Posted February 16, 2020 Report Share Posted February 16, 2020 You can get a water pump repair kit from your local GG dealer or, for more money a complete water pump. Drain the oil as soon as you can, it has mixed with water, the water causes the fibres on the clutch plates to swell creating more problems for you. Perhaps flush out the residual oil with 400ml of ATF rated to Dexron III then dump that and refill again with the same oil and quantity. Other riders use different types of oil but, ATF Dex III has been fine for all my bikes for over 25 years, and it's not expensive! Bye, Peter B. Quote Link to comment Share on other sites More sharing options...
David.. Argyll Posted February 16, 2020 Author Report Share Posted February 16, 2020 Thanks evryone for your help. I will replace shaft and seal cheers 1 Quote Link to comment Share on other sites More sharing options...
d2w Posted February 16, 2020 Report Share Posted February 16, 2020 A nice video from Jim Snell: 1 Quote Link to comment Share on other sites More sharing options...
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