BSA Owners' Club Workshop Discussions

The BSA Workshop => Twins => Topic started by: Hancock on 14 Jul, 2018, 12:06

Title: Any sudgestion please
Post by: Hancock on 14 Jul, 2018, 12:06
Hi I can start the bike ok B40 I can only keep it running by keep Reving the engine with  the revs quite high. If I stop Reving then it dies.i also get the occasional back fire.
Title: Re: Any sudgestion please
Post by: A10 JWO on 14 Jul, 2018, 16:01
Pilot  jet blocked, new spark plug next. Keep us updated.