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Canadian Daves JustKDX
Which way should I go?
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[QUOTE="m0rie, post: 756305, member: 36827"] That thread is a great resource for jet needle and jetting changes period. You don't have to have a RB-carb mod to get a lot of useful info from it. Another choice quote... From one of James Dean David, With the CGK needle giving an MX like hit using the stock carb, a CGL should reduce the hit, smoothing it and produce a similar effect to cutting the slide. Do you have a CGL to try and compare before altering a slide? Probably with 1 step richer on the clip to balance the transition with leaner/richer. I have noticed that older PWK carbs (89-97) typically will use the CG- needles whereas newer models usually are better with CE- needles. I wonder if there has been an internal dimension (nozzle height) that has changed or this may just be the result of the trend towards more cutaway. If you try the BEK and BEL, keep in mind the taper starts 1.8mm higher from the CG- to CE- and approx. another 1.3mm from the CE- to BE- conversion(did the taper calculation in a previous post 7/31). The clip position will need to be about 3 steps higher to compensate or it will run richer at 1/4-1/2 throttle. I am thinking a BGK or BGL would be the direction to go with the older carb and BEK or BEL with a newer model carb. The reservation I have about using any "A" taper needle is that it will give flat or weak power at 1/2-3/4 throttle under load(with no divider plate). It will rev quick with no load which will sound great in neutral, but climbing hills will leave a rider fanning the clutch. A multi-taper needle starting out with an A or B taper is a very good idea and sounds like you were thinking about it already. That can get very delicate and some manufacturers flounder around with it every few years usually satisfying a few of the fastest riders at the expense of the average riders fouling plugs. Another subject in itself. James -Maurice [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
Which way should I go?
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