Clinician
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Post by defrogi on Sept 16, 2012 9:00:51 GMT -6
Thanks for the reply. I'll give it a try
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Clinician
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Post by defrogi on Sept 14, 2012 9:02:05 GMT -6
I have a Metro Duo 50cc with a BBK (52mm), 24mm carb, performance exhaust, performance variator and performance clutch. I've tried Gates belts, Kevlar belts and Bando belts. Since last March the scooter has shredded 12 belts. The crankshaft was replaced at the beginning of March and since then all the trouble. The belt rides up high enough on the variator to rub against the starter bendix cutting a groove on the inside edge/top of the belt. This creates a lot of heat and then the belt shreds. I can put a "stock" variator on and the belt doesn't hit the bendix. Prior to the crank being replaced I had run the performance stuff for over 5000 miles with no problems with a Bando belt. The local scooter shop is at a loss as to why this has started happening. The crank is a higher grade with much better bearings but that's the only thing that has been changed since getting 5000+ miles on the Bando belt. Any ideas? ?
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Clinician
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Post by defrogi on Jan 7, 2011 0:11:19 GMT -6
It turns out the brass tube with the cap IS the fuel line and the "other" brass tube with a hose on it is for emissions and I put the plastic cap from the fuel line on that tube and everything is working great!
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Clinician
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Post by defrogi on Jan 5, 2011 2:27:59 GMT -6
I got a new 23mm carb for my 4 stroke 50cc scoot. It has a 52mm big bore kit with performance head and cam, performance air filter, no rev limit CDI - high output coil, iridium plug, performance exhaust, performance variator and clutch, Dr. Pulley 6g sliders and a Bad Boy horn that is bad to the bone! The new carb has a brass tube with a plastic cap that I can't figure out what it is for. There is a hose connected to the bowl drain port and a hose connected to the fuel line in. I got the carb from Scrappy Dog and have emailed them asking this same question but have not as yet received a response. I also posted this on the ScootDawg forum and no one seems to know the answer yet. Here are pics of the carb. This is the tube in question. Yellow outline is fuel line. Red outline is bowl drain line. This is a pic of the bottom of the carb.
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