Mollydogg Posted May 5, 2023 Share Posted May 5, 2023 Just saying hi have a 1981 Yamaha 1100 special I owned about 20 years. Now to old/disabled to ride. Passing it to my son. Has 53K Km . Son saying Rpm is jumping up to 4K when idling and when riding. Any ideas what is going on, how to fix would be greatly appreciated. Link to comment Share on other sites More sharing options...
Moderator Snakebite68 Posted May 5, 2023 Moderator Share Posted May 5, 2023 Are the actual revs jumping? Or just the gauge? And what EXACT bike is it? Link to comment Share on other sites More sharing options...
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