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by BikerChris
Thu Sep 01, 2022 6:36 pm
Forum: Post 1970 Airheads
Topic: ´strange´running problem?
Replies: 5
Views: 603

´strange´running problem?

1979 BMW R65 Bike starts, idle, revs, no problem. Then i warm it up and head to a faster road. It then revs up to higher revs, then 'bogs down', and loses a lot of power. After this, it refuses to rev, and limps on. If I leave the bike to cool, we're back to the beginning.... Not even sure if it's a...