stpauls Posted December 28, 2015 Report Share Posted December 28, 2015 (edited) Hi My 2012 ST is loosing oil. Over a period of about 6 trials. plus practising, the oil level goes down from the 450ml that was put in the gearbox, to 200ml. This has done this 3 times now. The oil that comes out is very cloudy. It is not loosing any coolant. Additionally, despite running at 80-1 the bike has white smoke, which does not disappear even when hot. I am thinking that it is a leaking crank seal. Questions: 1. Do you agree that it is a crank seal? 2. If so, which side, or replace both? 3. Do I need to remove or split the engine to replace the crank seals? 4. Any instructions anywhere for replacing crank seals? Thanks Edited April 12, 2016 by stpauls Quote Link to comment Share on other sites More sharing options...
sOmar Posted June 17, 2020 Report Share Posted June 17, 2020 Hi there, I m new here in Forum. I come from Germany and I have a Sherco ST 1.25 with exactly the same symptoms as you described. Did you solve this problem? Did you have to change the crankshaft seals? Thanks Quote Link to comment Share on other sites More sharing options...
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