J.W Posted January 8, 2021 Report Share Posted January 8, 2021 Ok first off my banshee runs like a raped ape 1st thru 5th but will not pull in 6th My mods are 34mm mikuni carbs Aggressive dune port Vf4 reeds +4 timing plate Chrome crossover intake Pod airfilters Shearer inframe pipes Stock head and bore 12tooth sprocket in front stock in back Running 4 snow tires 22s Elevation is 5400feet My current spark plugs are a tan color near the center electrode The plug chop I did weeks ago looked a little rich but I'm still learning here Where the plugs threads start is black and wet on the end . I'm also witnessing bubbles in the fuel line during revs in neutral I'm just not sure if this is a fuel delivery problem . Any help is greatly appreciated Thanks Quote Link to comment Share on other sites More sharing options...
Duke 2 Stroke Posted January 8, 2021 Report Share Posted January 8, 2021 Too rich need to come down on your main jets Quote Link to comment Share on other sites More sharing options...
locogato11283 Posted January 8, 2021 Report Share Posted January 8, 2021 Big carbs and Shearers on a stock stroke motor will do that. Stock carbs would likely yield better results up top. Quote Link to comment Share on other sites More sharing options...
locogato11283 Posted January 8, 2021 Report Share Posted January 8, 2021 What color is the spark plug strap? If it’s tan, you’re really close on the jetting. Quote Link to comment Share on other sites More sharing options...
J.W Posted January 8, 2021 Author Report Share Posted January 8, 2021 (edited) 3 hours ago, Duke 2 Stroke said: Too rich need to come down on your main jets 2 hours ago, locogato11283 said: What color is the spark plug strap? If it’s tan, you’re really close on the jetting. Thank you for the input I will have to look at the spark plug strap again will get back to you Edited January 8, 2021 by J.W Quote Link to comment Share on other sites More sharing options...
Big Mike NY Posted January 10, 2021 Report Share Posted January 10, 2021 (edited) 22” tires in the rear? Perhaps you are running wrong gearing? Sounds like the big tires are making it fall on its face in 6th.. Edited January 10, 2021 by Big Mike NY Quote Link to comment Share on other sites More sharing options...
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