Question about Vento V Thunder XL Motorcycles

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No fuel to the system to a ventos thunder 2007 what might it be cranks but wont start has been stopped for a while

Posted by my3suns_1 on


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Dennis Little

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If you have an open valve in your float float valve it will flood the chamber and cause a hydrolock is there fuel coming out your exhaust that would say that there was no fire and your hydraulic but if you're not getting fuel to the cylinders I guarantee you got a plug carburetor or Petco valve the only thing between that unless you're vacuum lines won't pull the gas for for your fuel pump there's a few ways to go I had to try and find and figure it out myself but those are things that I found go wrong regularly I hope I

Posted on Sep 15, 2021


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Possible clogged fuel system. Would probably need a whole cleaning ie tank, injectors or carb, fuel pump etc... Today's fuel has so much ethanol in it that it starts turning bad in only a few months and can be totally bad after only a year.

I’m happy to help further over the phone at

Posted on Feb 28, 2011


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My 2006 vthunder classic will not start.i cannot get it to fire.just spins over but not starting. is there a fuse box on this bike?

Possibly the gas has flooded out the carburetor. Happened to me.

I don't know if it's the vacuum fuel pump leaking gas or the carburetor valves sticking slightly open. My solution was to have an on-off petcock installed upstream of the carburetor, just in front of the right side chrome side plate. I turn off the gas whenever I park the bike. So far that has worked, although I have other (unrelated) problems with this bike. The mechanic had to dry out the carb and check the crankcase oil in case gas had leaked into it.

This bike has a petcock system that is always on. It has normal and reserve positions (down and up) which let gas flow to upstream of the fuel pump and then a center prime position which feeds directly to the carburetor, in case vacuum from the starter cranking doesn't drive enough gas through the fuel pump, after the carburetor has dried out from sitting idle.


I just won't to know where I can buy parts for rear tun lights are buy replace the whole thing

How do I jump start the battery on a vento v thunder?

I assume you are going from bike to bike, it is always better to recharge your battery, but it is positive to positive and negative to negative. Make sure your terminals are clean too, it wont effect the jump, but it will allow your battery to recharge.
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