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Discussion Starter · #1 ·
hey guys i just picked up a 88 500 EX on june 1st so to start out it was backfiring at around 5 0r 6 tho when i shifted when i got it so i took apart carbs cleaned them out and also cleaned jets and changed spark plugs so when i was testin to see if i fixed the backfire problem i got it right up to redline and when i shifted it backfired a puff of white smoke came out muffler and now it has a light knock in engine and it won't go over 6000 rpms when i get up to 6000 it bogs down when i accelerate any ideas? its my first bike and i don't know much yet about workin on it but i know its killin me a little inside to be sittin here typin and not out there raising hell on the bike SOMEONE PLEASE HELP!!!
 

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Discussion Starter · #2 ·
well just went and messed with it took carb out and checked it and put it back in and now it won't even start just white smoke out muffler when i try to start it guess i just gonna sell the fuckin thing
 

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so ya i found out it had way to much oil in it drained it out but think i may have fried something now when i start it runs real ruff and smokes white out of muffler and stauls out won't stay running any one got any idea what i did?
 

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First: When I read your posts, I think of this:

[url]http://youtu.be/6A0p-U1LBbQ[/URL]

isn't the 420 supposed to mellow you out?

Second: you blew a head gasket. You've probably done other damage as well by revving it and diagnosing it. You're probably better off taking the bike to a shop and having it fixed by a professional. Best of luck with the fix.
 
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