Oil API

[Chriss]

Hi,

I'm about to do an oil change. Haynes says it needs 10w 40 of SF or SG specification. Must it be SF or SG, or will SL or SJ suffice?

Thanks
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TheShaggyDA: I've got 3 or 4 pairs that predate my wife, so at least 11.5 years old.

[Kickstart]

Hi

In theory the higher grades are meant to be backwards compatible (with SF and SG being obsolete).

In practice some of the newer grades have limited the amounts of some rather useful additives which are harmful to catalytic converters.. Further some of the oils with newer grades contain friction modifiers that some wet clutches object to.

To a large extent it comes down to the particular oil you use. I have certainly used SJ oils before.

All the best

Keith
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Traxpics, track day and racing photographs - Bimota Forum - Bike performance / thrust graphs for choosing gearing

[Chriss]

[Kickstart]

Hi

Shouldn't be an issue with them.

All the best

Keith
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Traxpics, track day and racing photographs - Bimota Forum - Bike performance / thrust graphs for choosing gearing