joshuadgallardo Posted March 1, 2012 Report Posted March 1, 2012 Hi i am new to the forums thing but i am trying this to see if anyone can help me out with my shee. I have recently bought 5 stators. 3 of which the pickup coil completely disintegrated. Eachof them have all messed up in same place. Where the magnet comes out of pickup coil to make spark with flywheel. Each one has had all plastic torn up and all copper lining inside torn out. I do not no what this can be? Can a bent flywheel be the problem? I am lost please help only rode the thing for 20 mins max Quote
Concrete Posted March 1, 2012 Report Posted March 1, 2012 Is your flywheel making any noises (rattling) if it is replace it... Quote
joshuadgallardo Posted March 1, 2012 Author Report Posted March 1, 2012 Is your flywheel making any noises (rattling) if it is replace it... Makes a tiny tiny noise but can that be problem why pickup coil keeps busting? Quote
gotta_goatsfast Posted March 2, 2012 Report Posted March 2, 2012 What did you set your tolerance between the pickup coil and the flywheel magnet? Setting it real close (ten thousanths or less) will allow the flywheel to rotate by hand without contacting the pickup coil, but at 7000-10000+rpm the centrifugal force will "spread" or dialate the flywheel (because metal is maleable). I use a 0.024" feeler gauge to set mine. Still picks up a quality signal but gives a little wiggle room. If this is not the case, you may have a tweaked crankshaft or out of balance flywheel. Both will "flex" and become more "out of round" the higher the rpm that it is spinning. Quote
ticktock Posted March 2, 2012 Report Posted March 2, 2012 What did you set your tolerance between the pickup coil and the flywheel magnet? Setting it real close (ten thousanths or less) will allow the flywheel to rotate by hand without contacting the pickup coil, but at 7000-10000+rpm the centrifugal force will "spread" or dialate the flywheel (because metal is maleable). I use a 0.024" feeler gauge to set mine. Still picks up a quality signal but gives a little wiggle room. If this is not the case, you may have a tweaked crankshaft or out of balance flywheel. Both will "flex" and become more "out of round" the higher the rpm that it is spinning. If the outter magnets are striking the pick-up coil it might be you are too close. .020 is what I set mine at. If the power coils are getting chewed up you have other problems. Can you wiggle your crank? Does it move around? How old is your banshee? How many hours? Are the Crank bearings loose? Sounds to me the crank is moving around to hit the stator. Maybe someone has a couple junk stators you can get the pick-up coils from Adam Quote
joshuadgallardo Posted March 2, 2012 Author Report Posted March 2, 2012 Well i just checked crank and it was fine this is brand new motor. Also gapped the pickup coil with a piece of cardboard good amount distance didnt really measure or anything. Ordered new flywheel but wont be here till next week:/ Quote
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