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Old 05-04-2006, 08:44 PM   #1
79porsche
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bike problems

hi guys i have a 99 suzuki gsxr 600 that i think has a burnt valve, while it was running i took the spark plug wire off one buy one, the engine idle down accept for one plug wire, all plug wires are good, do you think i need the top end rebuilt are what do you guys think about this problem thank you for the help.
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Old 05-04-2006, 08:53 PM   #2
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check valve clearances already, swapped/changed plugs, did a leakdown, swapped coils?
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Old 05-04-2006, 08:55 PM   #3
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Check the compression if you think it has a burn valve. But I doubt it. You provided too little information to get a proper diagnosis.
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Old 05-04-2006, 09:42 PM   #4
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Has the bike set up for awhile?
Is the cylinder that is not firing actually getting a spark?
As Brian said, what's the compression?

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Old 05-04-2006, 09:51 PM   #5
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check the spark arrestor wobbulators. also, I have seen muffler bearings go dry from setting up and cause this exact same condition.
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Old 05-04-2006, 10:03 PM   #6
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That's not right
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Old 05-05-2006, 08:30 AM   #7
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Quote:
Originally Posted by ScooterTrash
check the spark arrestor wobbulators. also, I have seen muffler bearings go dry from setting up and cause this exact same condition.
Its an import you idiot, they use ceramic bearings and I have never seen those go dry. It also has electronic wobbulators not the mechanical ones that harleys use so I doubt those are bad. However, it could be something related to the gyroscopic oil oxygenation regeneration sensor since that was the first year it came out on. I have seen those go belly up time and time again.
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Old 05-05-2006, 08:34 AM   #8
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yes, i agree with the last post, my 98 did the same thing
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Old 05-05-2006, 04:58 PM   #9
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bike problems

yes the bike has been sitting and the cylinder is firing (good spark)
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Old 05-05-2006, 06:26 PM   #10
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Quote:
Originally Posted by ScooterTrash
check the spark arrestor wobbulators. also, I have seen muffler bearings go dry from setting up and cause this exact same condition.

You sure? Sounds more like the power band may have stretched.
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Old 05-05-2006, 06:43 PM   #11
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Quote:
Originally Posted by 79porsche
yes the bike has been sitting and the cylinder is firing (good spark)
On a serious note and since it has been sitting, I would think it would be the carbs. They can get messed up sitting for long periods of time. Probably need to be pulled and have the jets cleaned up.
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