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Engine/EFI/Drivetrain Discuss engine, fuel injection, air intake, and drivetrain modifications here.

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Old 01-13-2010, 11:37 AM
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cuts out at high rpms???anyone??

i'll be hittin close to the rev limiter and it'll start cutting out, so then i let off and rev it again and its fine? just changed the oil and everything usually do about every 10 hours.
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Old 01-13-2010, 12:00 PM
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Any mods or is it stock?
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Old 01-13-2010, 03:05 PM
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Quote: Originally Posted by shadbehnke View Post
i'll be hittin close to the rev limiter and it'll start cutting out, so then i let off and rev it again and its fine? just changed the oil and everything usually do about every 10 hours.


Sweet looking pair....nice looking garage too...is that a log cabin style garage?
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2009 KFX450r Monster Edition
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Old 01-13-2010, 03:37 PM
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just piped out, lids on....ya house and garage are log thanks!
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Old 01-13-2010, 05:12 PM
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so full pipe?how about pc3?if no pc3 maybe ya need 1 for the pipe or if you do have a pc3 then gotta try a different map!
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Old 01-13-2010, 05:49 PM
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no pc...i wish im to broke lol
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Old 01-13-2010, 06:26 PM
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well it could be that you may wanna make that your next mod!check around here 4 one cheap or ebay or a friend!
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Old 01-14-2010, 08:50 AM
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The KFX 450r will make great power if you do the big 3. Make sure you do a pipe, INTAKE, and programmer. I thought at first I would just do the trinity power kit which comes with full pipe, programmer, and an aluminum adaptor to put in a bigger K&N filter. It made a little power but not much. When I did the new intake tube it made all the difference in the world. I personally used the Kids On Quads intake but as far as I know I got the last one and they are no longer making any more but it is great. I would still recommend Kids On Quads highly but I think they are now racing a Honda.
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Old 01-14-2010, 03:51 PM
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sent pm...on this check it out....
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One Industries Green camo Graphics
ProArmor bumper & ProArmor grab bar
Moose nerfbars w/ race pegs and heel guards
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Motosports slip on
Motosports FMI controller
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Old 01-15-2010, 01:23 PM
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Thumbs up Did you clean your??

Quote: Originally Posted by shadbehnke View Post
i'll be hittin close to the rev limiter and it'll start cutting out, so then i let off and rev it again and its fine? just changed the oil and everything usually do about every 10 hours.
Fuel pump filter screen located in the tank on the fuel pump??

Check your factory service manual?KFX450 Service Manual

Going on the premise? that your motor up-grades work well when you put them on and; now it's starting to give you trouble?
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