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Discussion Starter · #1 ·
I recently traded for a Vforce and now it won't start. When I got it, I changed the oil/filter, cleaned air filter and changed the plugs. I rode it twice just around the yard with my daughter and now it won't start. It turns over good, but it just won't fire. I did the plug wire mod and it still don't fire. Any suggestions?:confused:
 

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You said that it was an ignition problem. Have you checked for spark? If you don't have spark then check to see if you have power and ground to the coil.

I had a similar problem before and it turned out to be a screw had fallen into the carb and held the intake valve open so I had no compression on one cylinder (hard to tell unless you have the heads off).
 

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no spark--cdi
poor comperession[screw in intake------or
it just may need a valve adjustment.
Very common with the vtwins to have no start symptoms and just need a valve adjustment.
 

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Sounds like the Valves to me......i just set mine on the weekend simple job to do if you take your time and have a service manual when your done it will start like a dream:D
 

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Discussion Starter · #5 ·
i got it to start today....don't know what I did, but it runs now. I disconnected and reconnected the plugs and wires and it started. I decided to go ahead and clean the carbs good too. It is running rich and the front carb is popping a little.
 

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the front carb is popping and it's hard starting because the INTAKE valves are TOO TIGHT!! this causes low compression and hard starting as well as combustion igniting the fuel in the intake causing popping.

Adjust the valves and it'll be a new quad. if you don't, it'll just tulip the valves in the heads like it's already doing.

guaranteed that's your problem. every V has this problem at 1 time or another

John
 

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Discussion Starter · #7 ·
i went ahead and took the carbs out and cleaned them. I noticed the front jet was 142 and the rear 135. Can anyone tell me it this right? I have a K&N, DG Excalibor slip-on and I'm in middle GA. Oh...and the it is still making the popping sound, so I maybe tomorrow I can adjust the valves.
 
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