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Mechanics 101 Can't get it to run right? Find a trick to add HP?
From the first oil change to completely rebuilding the engine,
this is the place to talk about the heart of the beast!


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Old 03-11-2007, 10:21 AM   #1
Kila-Beave
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Default Engine races like crazy...

OK so I'm trying to get my bike out for the riding season. It just finally got warm enough here in Michigan to really start riding. I decided I'd adjust my valves and sync the carbs before I started riding this year (got 20k miles).

Had a few valves out of adj so it's a good thing that I did. The valves went well, and this morning I'm trying to do the carbs. (Stock airbox is on with a K&N drop in).

I pulled the vacuum line off of carb 4 and put a valve stem cover over it to block it and hooked up my aux gas tank.

It'll start after a few cranks with some choke on, but...

Then it revs to like 5 - 6k and if I back off the choke, it dies.


I'm going to go try a few other things, but it seems to be a bigger issue than a small vacuum leak at the valve stem or the idle being outta adjustment
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Old 03-11-2007, 10:26 AM   #2
Special K
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Have you read my HOW TO on carbs yet?


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Old 03-11-2007, 10:28 AM   #3
Kila-Beave
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Yea I did about 4 x ...

I'm just an idiot. The throttle wasn't closing all the way



Thanks for the real quick reply though!
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Old 03-11-2007, 10:31 AM   #4
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Check your throttle cable routing and make sure its not pinched ot tight.........she should move freely.

Check both ends of that cable for adjustment. On the early Kats its a one cable system w/ NO adjustment at the carbs, and dran little ever needed at the throttle end.

LUBE it too 8)
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Old 03-12-2007, 04:04 AM   #5
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Um , you CAN adjust the cable at the carbs .....
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Old 03-12-2007, 08:52 AM   #6
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Quote:
Originally Posted by md86
Um , you CAN adjust the cable at the carbs .....
Technically yes..

For future reference a leak at the petcock port will cause a stumble not high idle.
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