BMW F650 Forums banner
10 or 40
1-1 of 1 Results
  1. F650 Single Discussion
    I bought some Castrol GP 10/40 engine oil for my F650 some time ago, but havn't got around to useing it yet (rounded off sump plug) but looking in my manual it doesn't list 'GP' as a suitable oil. Can I still use it or will it damage the bike? Cheers, Matt
1-1 of 1 Results
Top