2000 zr 600 Efi - HCS Snowmobile Forums

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Old 12-02-2007, 11:52 AM   #1 (permalink)
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Join Date: Mar 2007
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Current Sled(s): 01 Thundercat
Previous Sled(s): 00 ZR 600, 01 ZR 800 67 Ski Doo
Location: Manistee Mi
Age: 29
Riding Since: 1985
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My sled runs really rich, I have the following aftermarket parts onit: Black Magic twin pipes, Boyseen reeds, BM clutch, chip, BM heads, Wiseco pistons. What can i do to fix this? When i take my sled out to ride it and shut it off for a few minutes then try to start it it won't start, unless i hold the throttle down.


PLEASE HELP!
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Old 12-02-2007, 04:26 PM   #2 (permalink)
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How do you know its rich?
It may be, but that is not necessarily your problem.
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Old 12-02-2007, 06:10 PM   #3 (permalink)
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Chances are, if you have a bunch of aftermarket parts on your sled, you are going to have to grab one of those fuel injection control boxes. With all of those new parts you put on your sled, I would say its running lean rather than rich. If you checked the plugs and they were wet, then disregard this, but I would check the plugs, and if they are gray to light brown, ur running lean. the fuel injection control box is designed for modded sleds with EFI so the owner can richen the fuel mixture as he adds mods. The control box cannot lean out the mixture though, just richen it. Hope this helps.
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Old 12-02-2007, 07:54 PM   #4 (permalink)
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Current Sled(s): r and a hacked togeather Snopro
Previous Sled(s): Xf700, F7sp, F5, ZLs,Zrs, Ext, Jags, el tigre
Location: Minnesota
Favorite Riding Area: Back home In the Yoop
10-11 Mileage: 2000
Age: 29
Riding Since: 1988
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he has the old efi system. you can add chips for the pipes.. did you ever figure out why it was running rich before you added all of the those parts last season??
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