Ok guys, I really need your help. My bike idles for a minute & the idle slowly goes down and then it dies. So, i started it again & everytime I twist the throttle, the engine automatically shut off. This happens after I replaced the tank to OEM tank, unhooked power commander, & installed EXUP valve. So, I thought the EXUP valve is the problem, but it's not. After I removed the EXUP valve, it still does the same thing. Then, I unhooked the battery for 30min to reset the map to factory setting, & the bike still does the same thing. Share your thoughts, ideas, advises or question..thanks in advanced
Twincharge7
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So, I retraced all of my steps back. I reinstalled the factory pro stack, BMC filter, & PCIII back and to add the pain, I removed the fuel pump to see if there are exposed cable or dirty fuel filter. I checked if the lines were kinked but The engine still died after twisting the throttle. Now, I am going to remove the spark plugs to see if there are problems with them. Anyways, is it normal for the timing chain to be somewhat loose when the engine is off? Any ideas guys? Thx
I had the same problem with mine. The fuel pump is working but it's not building enough pressure which is causing it to work improperly and when you open the throttle even little bit it dies. You need to take your fuel pump out, and disassemble it. There is little white "plastic restrictor" inside the fuel pump that has rubber seal around it which came off and now is wedged. This little plastic piece is very important for building the fuel pressure and when is not in its place will cause your bike to work and act like that.
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