cammy5106 Posted September 13, 2013 Report Share Posted September 13, 2013 Whats the best gear oil to use in my 250. I have just bought a 2006 Pro 250 and my local dealer sent me a service kit and it has Putoline GP10 in it. Is this right as it looks like a ATF red oil in the sight glass ? I obviously dont want to open the bottle in case I have to return it if it's wrong. Thanks in advance Quote Link to comment Share on other sites More sharing options...
jordi Posted September 13, 2013 Report Share Posted September 13, 2013 No, that's fine. 1 Quote Link to comment Share on other sites More sharing options...
cammy5106 Posted September 13, 2013 Author Report Share Posted September 13, 2013 Nice one cheers mate I will change it on Sunday then Quote Link to comment Share on other sites More sharing options...
dadof2 Posted September 14, 2013 Report Share Posted September 14, 2013 GP 10 should be OK from a clutch action and gear protection point of view. Some sellers suggest it is only used where ambient temperatures are below 20 degrees celsius and that medium gear oil is the better putoline option above 20 degrees celsius. GP10 has a viscosity of less than 5 centistokes at 100 degrees C. A 10w - 40 engine / transmission oil will have a viscosity of about 11 centistokes at 100 degrees C and this or a medium gear oli will give a smoother and less notch gear change that some gassers suffer from with the less viscous oils like GP10 or ATF. 1 Quote Link to comment Share on other sites More sharing options...
cammy5106 Posted September 15, 2013 Author Report Share Posted September 15, 2013 Good bit of info that cheers I appreciate that Quote Link to comment Share on other sites More sharing options...
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