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Message: [QUOTE="busted480, post: 1237311, member: 80567"] i'd like to get everyone's thoughts on the keihin pwk 38mm carb? i've been thinking of upgrading to this carb for my 480, either the air striker or regular. i'm not really sure the difference. and also what would be an ok starting point for jetting? A little back ground i' ve been trying to get this bikle jetted correctly for a few weeks no with no luck. i'm running the stock PE carb with a 178 main and a 65 slow jet. the needle is in the 2nd from the top. air screw out 3 1/4 turns. which means i need a smaller slow jet. i've also checked the float level and set to 7/8 to 13/16. temps around 40-60 degress and 500 ft elevation.the bike runs pretty good on top. but seems to be sluggish and bog when you blip the throttle. i haven't been able to chop the throttle cause i can't get the 1/8 to 1/2 throttle set right. also the bike will not idle unless the throttle slide is adjusted up. So for these reasons i have been thinking about a new pwk carb and starting fresh. mods include k&n filter(new) DG head pipe, DG silencer, fmf torque reeds, and bored to the max (91 mm) air box has also been modded with 1 inch plugs(6) to allow more air flow. any help with a good jetting starting point would be very helpful. and if I were to get the new 38mm carb what should i get for jets to start with. thanks Shawn forgot to mention the PO did some intake porting(home brew style). not sure if that matters much, but probably! sorry for the long post. [/QUOTE]

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