12-02-12, 02:25 PM
Extract from owners manual......
Engine oil:
Type:
SAE10W30 or SAE10W40 or SAE15W40
or SAE20W40 or SAE20W50
Recommended engine oil grade:
API service SE, SF, SG type or higher
I acquired some Castrol bike mineral oil graded as 'SG' so I'm assuming thats fine based on a 3k oil change interval.