jimk80 Posted October 7, 2019 Report Share Posted October 7, 2019 i have a 2000 banshee, cool head, fmf pipes/silencers, all else stock. It runs great from idle to half throttle but when i hold her open and go through the gears it sounds like the left side quits and it's only running on the right cylinder. motor has 150+ compression on both sides and was rebuilt last year. i'm using stock carbs with 340 main jets. i'm looking for any ideas on what would cause it to do this. thanks in advance! Quote Link to comment Share on other sites More sharing options...
SKEETER Posted October 7, 2019 Report Share Posted October 7, 2019 Assuming you've already took carbs apart and cleaned? Have you tried swapping plug wires? Quote Link to comment Share on other sites More sharing options...
Ayesully810 Posted October 8, 2019 Report Share Posted October 8, 2019 thats a ton a jet for not a lotta mods. less main jet. drop like 3 sizes. if it clears up theres your answer. Quote Link to comment Share on other sites More sharing options...
jimk80 Posted October 8, 2019 Author Report Share Posted October 8, 2019 Carbs have been apart (a lot) tried 240, 280, and 340 main jet. I will try the plug wires since it runs about the same on all those jet sizes. Quote Link to comment Share on other sites More sharing options...
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