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Thumper Problems.......... (Read 626 times)
Rion
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Thumper Problems..........
03/19/09 at 16:13:51
The other day I started my bike to head to work and I noticed darker(sorry I am partially color blind
) puffs of smoke coming from the exhaust, and the idle was uneven. Today I went to start it up again and now it dies while trying to idle.
I took apart the carb and cleaned it up about 2 months ago and it ran great til now. Would a problem just now be starting to arise?
Any help would be appreciated
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diamond jim
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Re: Thumper Problems..........
Reply #1 -
03/19/09 at 16:38:41
Sounds like the carb has some junk in it again. Pull it out and clean it again. There's a chance a vacuum line is acting up as well.
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Savage Eddie
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Re: Thumper Problems..........
Reply #2 -
03/19/09 at 16:45:57
try adding seafoam, less involved fix.... (available in the local parts store)
maybe you got a tank of bad gas? does the oil smell like gas? does it start easy or crank alot? i noticed this problem when my float stuck and filled my carb then drained into my crankcase....what a mess.
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diamond jim
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Re: Thumper Problems..........
Reply #3 -
03/19/09 at 16:55:53
Apparently I got a little gas in my oil. I think it was after I changed the main out. First sign was I noticed my clutch acting like I needed to adjust the cable play a little. Changed the oil earlier today. Smelled a little bit of gas in it.
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Savage Eddie
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Re: Thumper Problems..........
Reply #4 -
03/19/09 at 17:19:30
i know im using the wrong post for this but how long did it take to get the clutch back to normal?
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Rion
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Re: Thumper Problems..........
Reply #5 -
03/19/09 at 17:21:54
i read somewhere that because of the darker smoke it might be running to rich? The oil does smell a little like gas but it might be placebo
too. It usually turned over fine when cold but after stopping and restarting it would crank alot. Now it cranks alot and then dies while idling.
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Rion
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Re: Thumper Problems..........
Reply #6 -
03/19/09 at 17:23:10
Using seafome, would I need to drain the tank and put new gas in it or will it take care of the bad gas that is possibly in it now?
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Rion
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Re: Thumper Problems..........
Reply #7 -
03/19/09 at 17:24:59
I also noticed a grinding sound when changing gears down and a thunk sound when gearing up, is this just a clutch adjustment?
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Savage Eddie
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Re: Thumper Problems..........
Reply #8 -
03/19/09 at 17:34:14
i think ill let the experts answer this one but it does sound as if the engine is flooded. my bike did almost the exact same thing when it flooded. im having my carb rebuilt cause my first attempt didnt work. ive been told this is a "wet clutch" and saturating the oil with fuel also causes clutch issues.
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Mortation
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Re: Thumper Problems..........
Reply #9 -
03/19/09 at 18:05:53
How dark was that smoke? Did you check and make sure the cylinder still has compression?
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1988 LS650 - Candy Apple Red w/ Ghost Flames, Harley muffler, S40 seat, white spacer Mod, #55 pilot, #155 main.
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T Mack 1 - FSO
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Re: Thumper Problems..........
Reply #10 -
03/19/09 at 18:58:45
Ok... this may sound too simple but try it first.
Tweak the idle up a knotch then report back.
It's a freebie and always do the freebies first.
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Engineers design things, Technicians make them work.
---
30% of being mechanical is confidence/30% is knowing to go slow when needed/30% is looking repeatedly at what you have/10% is dumb luck
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diamond jim
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Re: Thumper Problems..........
Reply #11 -
03/19/09 at 19:05:01
Savage Eddie wrote
on 03/19/09 at 17:19:30:
i know im using the wrong post for this but how long did it take to get the clutch back to normal?
I was running dino guts. Put in synthetic 10W-40. It took about 5 miles of downtown, stoplight traffic for the clutch to feel really smooth again.
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Rion
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Re: Thumper Problems..........
Reply #12 -
03/19/09 at 19:43:29
I tried turning up the idle but it hesitated while accelerating. Since there are only small puffs it is hard to judge but seemed dark gray or even black. And I don't think I have any of the proper too;s to test the compression at this time.
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ero4444
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Re: Thumper Problems..........
Reply #13 -
03/20/09 at 13:07:12
have you ever cleaned or replaced the air filter?
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c2001, 3800miles, 3rd owner, adjusted idle, raised seat, Tkat brace, Raptor petcock, cleaned carb, replaced some jets, Dyna muffler, Fiamm horns, Shinkos, future Ed L. forward controls, fork boots.
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Rion
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Re: Thumper Problems..........
Reply #14 -
03/20/09 at 14:18:35
i replaced the air filter
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