Bike wont start after getting it home - Page 2 - Triumph675.Net Forums
Maintenance and repair Problems, fixes, general maintenance talk

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post #11 of 17 Old 04-10-20, 05:55
Tmccustoms
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Not sure what you mean by “tried different tubes” but the bike will not run if the pump is not putting up enough pressure. Have you popped off the fuel line and run the pump? Have you pulled and injector and seen if it was spraying properly? If you have access to a fuel pressure gauge, you may want to try that. The other culprit in your fuel system could be a clogged fuel filter. Changing that usually involves the removal of your tank and pump, it’s fairly invasive but is considered routine maintenance.
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post #12 of 17 Old 04-10-20, 08:02
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Originally Posted by Tmccustoms View Post
Not sure what you mean by “tried different tubes” but the bike will not run if the pump is not putting up enough pressure. Have you popped off the fuel line and run the pump? Have you pulled and injector and seen if it was spraying properly? If you have access to a fuel pressure gauge, you may want to try that. The other culprit in your fuel system could be a clogged fuel filter. Changing that usually involves the removal of your tank and pump, it’s fairly invasive but is considered routine maintenance.
He meant "tunes", as in programming tunes on the ECU. Not sure if you saw my post above but, yes, I pulled the fuel rail and all three injectors are spraying good. Has good spark in each of the three plugs as well. This one is confusing me. Looking more into the cps now...
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post #13 of 17 Old 04-10-20, 08:06
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Originally Posted by Tmccustoms View Post
Not sure what you mean by “tried different tubes” but the bike will not run if the pump is not putting up enough pressure. Have you popped off the fuel line and run the pump? Have you pulled and injector and seen if it was spraying properly? If you have access to a fuel pressure gauge, you may want to try that. The other culprit in your fuel system could be a clogged fuel filter. Changing that usually involves the removal of your tank and pump, it’s fairly invasive but is considered routine maintenance.
Even though I'm seeing each injector spraying, I still may try your fuel pressure check just to rule it out if nothing else. The bike does have a different fuel pump than stock and the fuel pump runs constantly. If I understand what I've read thus far, it should prime for 3 seconds and then shut off until pressure is needed again.

Appreciate the input...
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post #14 of 17 Old 04-10-20, 08:49
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Your CPS and stator were going to be my next suggestion. If your CPS is going bad, the bike may run fine one ride and not at all the next, then start right up again the next day. I would typically check that first but your fuel pump code doesn’t seem to match that theory.

If your fuel pressure is low or you have a weak pump but your injectors are still spraying well, most likely you would still idle but wouldn’t have much power when you revved it or tried to ride.
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post #15 of 17 Old 04-10-20, 08:54
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Will it start with starting fluid? If so, keep focusing on the fuel system.
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post #16 of 17 Old 04-10-20, 11:45
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Will it start with starting fluid? If so, keep focusing on the fuel system.
No, it does the same thing with starting fluid. An occasional sputter. That's why my thoughts are leaning more toward the cps as well. Fuel and fire, but at the wrong time. I'll see what I can get done this weekend. Would love to get it running for my son. Gotta suck to get a new bike, get it home, and then it won't start. [email protected]#$#@!!
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post #17 of 17 Old 04-12-20, 17:03
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Check compression. if you have fuel and spark then air or it could be timing. You have changed tunes, and you say the bike sputters then dies.

I'm leaning towards compression issue because it won't start with starter fluid, it starts and dies, and I heard there are a few tricks to make a bike run good for a short time until it's traded in or sold.


I do wonder, when you 1st test rode the bike was it cold? and did you ever get a chance to do a cold start up with the bike?

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