Print Page - Primary case oil

Title: Primary case oil
Post by: Crazyfrog on 13 Jan, 2023, 12:23

Hi, What oil is best/available for a B25 Starfire primary chain case?

Title: Re: Primary case oil
Post by: Spaceman on 13 Jan, 2023, 13:47

You can use any engine oil suitable for a wet clutch - on more modern bikes that is oil with a JASO-MA spec. The original BSA spec was 20/30W or SAE 20W oil which was the same for the forks.

BSA Owners' Club Workshop Discussions

The BSA Workshop => Singles => Topic started by: Crazyfrog on 13 Jan, 2023, 12:23