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Chris Cowell

2012 Yamaha YFZ450r Fuel Problems

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I have a 2012 yfz450r. I loaned it out to a friend now it won't start. He ruined the battery..I topped all the fluids off and try to jump it and it shows the fuel light on yet I filled the tank 3/4 full. I'm wondering if that fuel light is indicating maybe a duel problem possibly a pump or? It turns over strong and I took it apart and can't ever hear the fuel pump kick on...any ideas fellas? I sure appreciate it!

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What do you mean he ruined your battery ? Is it possible that he tried to jump start it and hooked up the cables backwards? That would cause a considerable amount of electrical damage.  

It’s electronic fuel pump so you would have to take a tester and put it on the wires of the fuel pump with the key on.  See if you have 12v at the pump. 
Before all that go basic first, look for blown fuses. Is the fuel gauge electric or float type? 

I would check for spark as well while your doing some testing also smell around and look around for any burnt wires along the frame.  

If that machine was fine before you lent it out then my guess is either he sank the dam thing in water or he jumped it and hooked up the cables backwards. 

 

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