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04-27-2009, 12:47 PM
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Junior Member
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Join Date: Aug 2008
Location: alberta canada
Posts: 13
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my dyno results not tuned
bike has bcs intake, 44mm tb,Duncan racing pp/valve job, 13:1 piston, web cams, lte creech series single pipe, dynatek coil,+2 adv timing!
stock kfx with lid off,no spark arrester, with pc3 makes 34.58hp on this dyno
Last edited by trothwell; 09-01-2009 at 10:24 PM.
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05-12-2009, 12:26 AM
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Join Date: May 2007
Location: Arkansas
Posts: 200
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That's not good.
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2008 white/black KFX450
DASA pipe, PCIII, FuelATV airbox intake, KX cams, ported head, AC Blackline nerfs, ¼" PRM swingarm skid, Tag Railer chassis skid, UPP urethane case saver, PIAA H6M lights, 15t front sprocket, PB block-off, Spider grips
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05-12-2009, 12:34 AM
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Join Date: Feb 2007
Location: Harriman, NY
Posts: 590
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wow that is a horrible a/f ratio curve would probaly get another 2-4 hp from getting it tuned perfect
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05-12-2009, 12:43 AM
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Senior Member
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Join Date: Jun 2007
Posts: 1,364
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it made 50hp? thats pretty good considering the horrible af reading.
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05-12-2009, 01:11 AM
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Super Moderator
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Join Date: Feb 2007
Location: Harriman, NY
Posts: 590
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yeah where it should be making peak hp its leaning out bad.
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05-12-2009, 02:21 AM
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Join Date: Aug 2008
Location: Calgary, AB, Canada
Posts: 1,196
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That's a nasty lookin fuel curve... Get that thing tuned so that it has a more consistent A/F reading, and you'll notice a difference, like Greenmachine said.
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'08 KFX 450r, Black.
Motoworks SR-4, CFM Aluminum intake box/tube, Custom EHS lid, K&N filter, PCIII, Fasst Flexx bars, Elka System 5 stabilizer, black Pro Armor Fat Peg nerfs, black Pro Armor Dominator bumper, Pro Armor kill switch, Pro Armor swing arm skid, JnJ frame/a-arm skids, Pro Armor billet case saver, Pro Armor billet shifter, 15 tooth sprocket, ITP Holeshot HDs, Factory Effex Metal Mulisha graphics, Black 2" header wrap
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05-12-2009, 03:25 PM
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Junior Member
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Join Date: Aug 2008
Location: alberta canada
Posts: 13
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Dyno locations are limited in canada therefore they charge alote, 425$ for this tune alone, a/f is rich on top, i just leaned the top with the pc3 if needed and it pulled harder.
Last edited by trothwell; 08-18-2009 at 03:10 PM.
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07-03-2009, 03:14 PM
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Senior Member
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Join Date: Jun 2008
Posts: 179
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Airfuel isnt the best, but isnt that bad as you guys say. All he needs to do is lean it out up top and should run pretty dam hard. As far making more power up the curve it wont happen but how rich it is up top he will gain more peak power. Good lookin curve. Do you know which web cams were used?
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07-16-2009, 02:00 PM
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Junior Member
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Join Date: Aug 2008
Location: alberta canada
Posts: 13
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Thats true had it dyno'd again shortly after made 51.17 hp with a'f right on 13:1 at peak, and held power longer, I used 963/216 web cams! IM not seeing to many 50 plus hp kfx 's on this site!!
Last edited by trothwell; 08-18-2009 at 03:09 PM.
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