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HELP! gen 1 running issues

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Clarkie135 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Clarkie135 Quote  Post ReplyReply Direct Link To This Post Topic: HELP! gen 1 running issues
    Posted: 17 Jun 2017 at 20:52
This has been an ongoing issue for a few weeks now, the bike normally starts ok and the fuel pump primes but if I attempt to ride it I'll get down the road and the bike will just cut out on me I'll then leave the ignition on while the fuel pump primes loads of times and the pump relay under the pillion seat clicks, after a few minutes it stops it will then start until it dies again it does seem to not cut out as much if I just give it a little throttle so far I've changed the fuel pump assembly, changed the tip over sensor as it was broken inside changed relays under pillion seat and battery is good, I've connected the diagnostic wires put the bike in gear and held the starter button the fuel pump primes then after a while it comes up with 12 and then 11?
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legend88 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote legend88 Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jun 2017 at 08:07
It does sound like fuel as it runs but as soon as there is a significant fuel demand your troubles start. was the fuel pump new or known good (Not just stated as good by a breaker), is the filter clear? Breather hose blocked?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Clarkie135 Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jun 2017 at 11:37
It's a "known" good one it dies come with warranty though, I also noticed there was a kink in the hp fuel line I tried to straighten it the best I could and there's definitely fuel getting through could this be the cause? I'm not sure why I'm getting those codes come up though, and also I did change the eprom but it had been running perfectly fine for weeks
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Clarkie135 Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jun 2017 at 11:46
I would have thought if it was the fuel line it wouldn't cut out Completely like it does
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Guests Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jun 2017 at 14:48
Codes 11 12 cam shaft position sensor
Crank shaft sensor
Probably dodgy wiring some were or something come lose
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Clarkie135 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Clarkie135 Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jun 2017 at 17:55
Ok so I've noticed if I move the ecu about the fuel pump re primes?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Stevex Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jun 2017 at 18:12
Take the ECU out, remove the top and take a look inside. Best to disconnect the battery first.
Sounds like a loose connection or soldered joint gone bad. Worth checking the electrical connector too.

People say I don't know Jack Sh1t; but I do, he lives next door.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Guests Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jun 2017 at 18:28
Try pushing the wires in more that go into ecu there's nothing in ecu that's lose that I can think off
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Clarkie135 Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jun 2017 at 18:39
Eprom? wasn't sitting down as it should pushed it all the way down, have to see if that was the problem
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Post Options Post Options   Thanks (0) Thanks(0)   Quote legend88 Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jun 2017 at 18:58
That could certainly be it. I would have suggested that if I knew you had a replacement EPROM as that happened with mine. It would run for miles no problem then hit a bump or a certain rev range where the vibes would cause it to move and the engine would cut out. It would then start again and run fine until the same happened. I did a roadside repair to fully seat the EPROM and it's now been fine for a couple of thousand miles.

Hopefully you have found it.  Thumbs Up

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Clarkie135 Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jun 2017 at 19:13
I'm so happy finally found the problem the bike is riding fine with no efi light it has a couple of times though died when pulling the clutch in and coming to a stop, I've just put a tank of fresh fuel in have to see how it goes!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Stevex Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jun 2017 at 19:15
Fantastic, a happy ending. Thumbs Up
People say I don't know Jack Sh1t; but I do, he lives next door.
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Clarkie135 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Clarkie135 Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jun 2017 at 19:26
Seemed to have stopped cutting I did drain the tank and fuel lines though so maybe just getting fuel back through :) very happy!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote snowman Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jun 2017 at 19:31
Good to hear, let's get riding and forgiving her for messing you about , ha ha.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Clarkie135 Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jun 2017 at 19:33
Haha definitely missed to much of this nice weather as it is thanks for everyone's help
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