got my 38mm PKW A/S, jetting Q

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TJC510
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Location: Sheridan, MI

got my 38mm PKW A/S, jetting Q

Post by TJC510 »

i picked up a 38mm PWK air striker carb that is off a 2000 KTM 380 EXC from ebay for $86 shipped.

im putting this on my AF, i need to know where a good place to start for the jetting, while i have it out. its a PITA to get the carb boot on. so i don't want to touch it unless i have too. all i know is it has a 170 main, same as my PJ. im too lazy to run out to the garage to check the needle, clip position and pilot right now.
TJ
2005 cr500af
2008 300XC/w
HrcRacing
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Post by HrcRacing »

170 main, 55 pilot, 1368 needle in the third (maybe 2nd) clip and 1.5 turns out on the airscrew. :cool:
90cr500guy
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Post by 90cr500guy »

Does it have the right size needle/seat to allow the gas in that the 5hundy requires?
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Caseys500
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Post by Caseys500 »

you'll definitely want to change the needle...just switch all your stuff over from your PJ (needle, main and pilot) but you will probably want to go 5-10 sizes smaller on the Pilot.
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TJC510
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Post by TJC510 »

i put the stuff from my PJ in it. 170m, 55p, 1368 3rd, and put the AS at 2 turns out. i didn't let it warm completely up, but it does seem rich on the pilot. ill let it get warmer tomorrow. the pilot i took out was a 45, i may put it back in, just to see what it'll do.

but OMG, this thing has some throttle responce now. i spun out in the road in front of my house turning around and scraped my knee up preaty good. i need to get it out on a track and dial in the jetting and the suspention. first race is in 4 weeks. :cool:
TJ
2005 cr500af
2008 300XC/w
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AlisoBob
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Post by AlisoBob »

TJC510 wrote:i...it does seem rich on the pilot. ill let it get warmer tomorrow. the pilot i took out was a 45, i may put it back in,
http://www.bannedcr500riders.com/board/ ... c.php?t=92
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