I've found 5 litres of Mobil Racing 4T Fully Synthetic 15/50 in me garage, and can't remember for the life of me if I got it for the Buell or not, as it's been such a long time since i've worked on or played with it (the Buell that is!). But I do remember swapping over to a synthetic oil ages ago when I used to help out with the Warrs race team, but can't remember what type.

Is the Mobil 4T 15/50 OK for my S1WL?

cheers,
fred

harley 20/50

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WE AINT ALL THERE COZ WERE HERE

FASTER THAN THE SPEED OF DARK

An oil thread in the Tech Forum

Nah, can't use Mobil 1, it's too slippery.

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Try doing this to yer fueller...........

It'll make yer rollers skid

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If your dreams don't scare you, they are not big enough.

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Try doing this to yer fueller...........

Go with the Mobil fat fready you'll be OK, Phineas. T. ran his on bannanas.