Guest Posted July 23, 2010 Share Posted July 23, 2010 Hi! new to this forum so i hope ive put this in the right place! i have recently bought my first bike being a gpz 500 s and it needs an oil change.when i look in the owners handbook it says i need 3 litres of either GRADE=se,sf or sg class and the VISCOSITY has to be either=sae 10w40,10w50,20w40,or 20w50.i have no idea which would be the best oil to put in the bike,and secondly is car oil the same as bike oil? any advice would be most appreciated,thanks! Quote Link to comment Share on other sites More sharing options...
Guest Hodgy Posted July 23, 2010 Share Posted July 23, 2010 Hi There.Don't use car oil in your bike, car oil can contain friction modifiers, which reduce friction in engines, but bikes have wet clutches, which means the clutch actually runs in the engine oil, and car oil can contaminate it and ruin it Something like Halfords semi-synthetic bike oil will be perfect for your bike, no need to spend a fortune on anything fancy Quote Link to comment Share on other sites More sharing options...
Guest Posted July 23, 2010 Share Posted July 23, 2010 thanks ian most appreciated but do you know what viscosity that halfords oil is? Quote Link to comment Share on other sites More sharing options...
eastanglianbiker Posted July 23, 2010 Share Posted July 23, 2010 10 w 40 want in it Quote Link to comment Share on other sites More sharing options...
Guest Posted July 23, 2010 Share Posted July 23, 2010 ok thanks mate most appreciated! Quote Link to comment Share on other sites More sharing options...
Hoover Posted July 24, 2010 Share Posted July 24, 2010 dont bother with semi-synthetic you will just be wasting your money, just make sure its good quality 10/40w motorcycle oil and you will be fine. Quote Link to comment Share on other sites More sharing options...
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