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Problem!


Discussion at Motorized Bicycle Engine Kit Forum in the Motorized Bicycle General Discussion forum. Problem The last time my bike was running was the other day when I was running WOT then my chain ...
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Old 11-27-2009, 04:09 PM
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Default Problem!

Problem

The last time my bike was running was the other day when I was running WOT then my chain snapped in half and the engine shut off. I also herd a loud sound that sounded like a pistol as it happened. well I fixed my chain and checked my plug and it seems pretty oilily. I fired her up and Let her warm up a few. Gave her a rev and it was boggin. let her warm up some more and the bogging went away. So I peddle, let the clutch out and she was JULTING back and forth really bad. The C clip is 3 down from the top.
I checked for air leaks using my eyes and wd40. What could of happened to her the day she was last running?

I hope to resolve this problem before tomorrows Rally. Any help would be much appreciated.
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Old 11-27-2009, 04:16 PM
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Default Re: Problem!

if your satisfied that you have no air leaks check all the wiring i have had recent probs with kill switches but check everything fuel flow etc
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Old 11-27-2009, 04:18 PM
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Default Re: Problem!

try cleaning your airfilter and check your chain again.
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Old 11-27-2009, 04:45 PM
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Default Re: Problem!

Well I lowered the C-clip one notch and she ran better without any julting. When I put the slide back in how far down is it supposed to go. The slide stops about 1/8" to the bottom.
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Old 11-27-2009, 05:23 PM
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Default Re: Problem!

make sure the slide's groove is lined up with the small nipple inside carb and it should fall in all the way. as for the chain breaking what is the root cause of chain breaking in the first place? old chain, missing master link,or break for some reason, did it fall off rear sprocket? too much slack? and what was the "pistol" noise? chain whipping around? motor break or frame break? and then what caused the motor to die? chain jam? electrical? or from chain breaking? always make sure their is a master link in place and is in the right direction! and never be greedy on the chain lube! for a chain to break, something bad happened and is mis-aligned! check your ride carefully, your life depends on it!
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Old 11-27-2009, 06:06 PM
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Default Re: Problem!

That pistol sound was probably a back-fire.
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Old 11-27-2009, 06:15 PM
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Default Re: Problem!

Thanks for all that filestyle. Im am new too all all this stuff. But that day I was going on a long ride and did a full inspection of the bike before I left. I didnt run it too hard through the 16 mile ride.
I havent checked the electrical parts since I put it together.

I fixed the chain but I didnt use the master link. I just used a cheap chain breaker from walmart (Dont waste your money it broke within ten minutes) to slide the pin right in. Should I use a master link??

Anyway. It runs but At very slow speeds I get the Julting back and forth motion and also when I go over 25mph. I just put a new NGK B6HS. I lowered the need. c clip is one down from the top and im running 32:1.
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Old 11-27-2009, 06:25 PM
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Default Re: Problem!

did you check your engine mounts and bike frame?
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Old 11-27-2009, 06:31 PM
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Default Re: Problem!

Just checked the frame and there doesnt seem to be any cracks and also the mounts are securely fastened.
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Old 11-27-2009, 06:52 PM
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Default Re: Problem!

sounds like your airfilter is cloging up,try taking off the airfilter and housing and take it out for a run and post the results. dont forget to clean the filter and put it back on after.
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