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Discussion Starter #1
Hi.
I'm new to the forum. I bought a 2005 f-4 last fall with a bad motor. Brass well nut fell into the intake and wiped out the valves. I rebuilt the engine over the winter and test rode the bike for the first time last night. First ride was great, 12 mile loop around the house. Second ride, engine just stopped running 3 miles from the house. I trucked it home, pulled the tank and air box, all looks well. All electronics are running, fuel in the tank and engine turns over just fine. I can see the intake valves open and close and no strange noises from the engine. The engine just cranks and cranks but won't start. Any ideas? Thanks Bill
 

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Back to the basics,is the fuel pump priming when you switch the ignition on?Have you got spark and check the main 40 amp engine fuse,go from there.
 

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agree with donsy, the easiest check to make is open the fuel tank and have a look with a torch (the battery operated kind) and see if there is any bubbling when you turn the ignition on and the fuel pump primes. If there is then you have a detatched or deteroriated fuel hose. Good luck and let us know how you get on.

P.S. Welcome to the forum
 

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agree with donsy, the easiest check to make is open the fuel tank and have a look with a torch (the battery operated kind).......
come on George you'll take all the fun out of this



Bill T;
Welcome to the Forum.....

just for GP replace the in tank fuel lines and the fuel filter.....PM me an address and I'll send you some rivnuts to replace the rear wellnuts in the airbox

also check all the vacuum lines and caps
 

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Discussion Starter #6
Hi.
Thanks for all of the responses, I found the problem. This winter, one of my maintenance items was a new fuel filter in the gas tank. After a lot of diagnosing, I found that the stock clip style hose clamp that I reused had let go and the hose popped off. I have all new screw style hose clamps on all of the hoses and the engine started right up.
Thanks again.
Cheers Bill
 

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Discussion Starter #7
Hi.
Thanks for your offer on the rivnut, but I installed aircraft style nut plates. They are held in with two rivets . Can send pics and more details on the rebuild and nut plates if any one is interested.
Bill
 
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