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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
dyno a big bore
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[QUOTE="angus, post: 708484, member: 37852"] steve125 your right the carb is a 36mm and yes the stock main was a 350.on your kx144 did your jetting change much from the stock jetting? yes i know alt. and outside temp. makes jetting a constant battle but i was wondering if you could give your spring/summer jetting spec. to give me an some idea how far out the change is gonna be. and no i'm not gonna copy your exact jetting i'm just curious on each circuit you had to go with your changes. this past summer i ran c-12 with a 340 main, 6bek1-70 needle, 45 pilot, 3rd clip position, 2 turns out on air screw, v-force reeds and pro circuit exhaust. then i tried the ult. 2 and went up on the needle and main and what a difference. i plan just using the ult. 2 with the big bore, so i was wondering just what pipe combo, reeds and jetting to start with and i'll go from there, plug chops and all. i guess what i'm asking for is the run down on what worked on your bike. and like you said i really don't want a hole in the piston that's why i'm asking for your expert advice. once again thanks for any help. oh yeah, where are you located in va.? i spent 12 years in the navy stationed in norfolk. just wondering how the weather is? [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
dyno a big bore
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