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 Engine sputter over whoops

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jonny-NITRO

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PostSubject: Engine sputter over whoops   Tue Sep 07, 2010 7:55 pm

The engine runs fine and I have almost a full tank of gas, but when I hit a trail with whoops the bike tends to sputter and lose power momentarily and then regains itself after the whoops. It feels like the injector just isn't getting any or limited fuel at that time, but the tank is full of gas.
My mods are Cannister removal, FMF pipe and Programmer and air box flap removed.
Otherwise it runs great. climbs hills, goes down hills, through creek crossings, etc. It's just when hit a section of whoops that I loose power.
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dc4stroke

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PostSubject: Re: Engine sputter over whoops   Tue Sep 07, 2010 10:54 pm

I would contact your programer supplier and give them the settings you're at and get their advice.
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ZED

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PostSubject: Re: Engine sputter over whoops   Wed Sep 08, 2010 9:30 am

Could be electrical. Make sure there are no loose connectors that may come loose under the up/down acceleration. Off the top I can think of:
- Programmer to Injector connector
- Programmer power/ground
- battery cables
- cables at the relay beside the battery
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greer




PostSubject: Re: Engine sputter over whoops   Wed Sep 08, 2010 12:36 pm

Could the whoops jar the bike enough to trigger the sidestand safety switch?

Sarah
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YZEtc

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PostSubject: Re: Engine sputter over whoops   Wed Sep 08, 2010 3:38 pm

greer wrote:
Could the whoops jar the bike enough to trigger the sidestand safety switch?

Sarah


That's an excellent idea, Sarah. :)
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jonny-NITRO

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PostSubject: Re: Engine sputter over whoops   Thu Sep 09, 2010 9:20 pm

I took the side stand switch off.
I will check the wires and the connections for the programmer.
Thanks for the feedback.
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