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Unread 05-20-2010, 11:45 AM   #1
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Default little sluggish

I installed a new shorter belt, and tightened the governor spring, I GPS'ed the cart at 26 mph and that seems pretty good to me. My engine seems to be a little sluggish on take off, as if the engine is a little lean. I removed the plugs and inspected them, they are grayish white in color so that tells me that it could use a little more fuel. My next question is how to adjust this thing. Everything on the carb is covered up with a plate. There is a small black knob on top of the carb that I can see, but I'm not sure what it does. Oh btw, this is a '08 EZ GO TXT cart with 4" lift and 22x11x10 tires.
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Unread 05-21-2010, 07:42 PM   #2
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Default Re: little sluggish

Surely someone knows something about this. Anybody had this experience?
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Unread 05-22-2010, 12:58 PM   #3
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Default Re: little sluggish

When I added a shorter belt on a txt I felt a little "hesitation" when first starting out, almost as if the clutch was spinning up a bit more before engaging. The guy I did it for didn't like it so we removed the belt and replaced the original, the problem was gone.
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Unread 05-24-2010, 05:11 AM   #4
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Default Re: little sluggish

Mine is the other way... it won't rev up until you get it going. Maybe my clutch is engaging too soon. But it done this with the stock belt. Thinking it is more in the carb. Guess I'll try to pull these plates off and see what I can. There has to be a way to adjust these things.
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Unread 05-24-2010, 03:20 PM   #5
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Default Re: little sluggish

Anyone know what the black knob on the top of the carb does?
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Unread 05-24-2010, 08:34 PM   #6
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Default Re: little sluggish

I believe that little black knob is your air mixture for your carb... I don't think it has anything to do with total volume of fuel to the carb... Your only route would be to ream the jet out some or get a larger jet, maybe for the 350cc. However, jacking with the jet throws the mixture outa whack and it may become a headache... Not sure, but you might try it... My 98 txt revs high at first throttle but comes outa the shoot like a bullet with a shorter belt... It runs a flat 28 wide open and climbs like a cat!!!!
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Unread 05-24-2010, 11:00 PM   #7
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Default Re: little sluggish

That is your low speed air fuel mixture screw. If you look closely at the black knob it should have a tab on it to keep it from turning to much.
Turn it counterclockwise 1/4 turn to give you more fuel on start up.
You might have to remove the tab from the knob to turn it that far.
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Unread 05-25-2010, 06:57 AM   #8
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Default Re: little sluggish

I may try to mess with the low speed mixture. I messed with it some yesterday, and the problem may be the clutch. I seems to engage as soon as I give it any throttle. It don't allow the engine to rev at all before it starts pulling. I assume the only way to change that is in the clutch, with stiffer springs?
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Unread 05-25-2010, 08:10 AM   #9
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Default Re: little sluggish

This is my first build and I am learning a lot on it. I'll try to get some pics soon.
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Unread 05-25-2010, 07:07 PM   #10
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Default Re: little sluggish

Quote:
Originally Posted by lomcevac View Post
I may try to mess with the low speed mixture. I messed with it some yesterday, and the problem may be the clutch. I seems to engage as soon as I give it any throttle. It don't allow the engine to rev at all before it starts pulling. I assume the only way to change that is in the clutch, with stiffer springs?
It is doing exactly what the shorter belt is intended to do.
Grab in the drive clutch lower and sooner than having the engine rev up and close the clutch to take off.
My Yamaha actually starts rolling when I push the pedal but it also always fires and starts running within a couple of revolutions.
If the results are not what you expected, you might need to go back to the stock belt.
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