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Canadian Daves JustKDX
Installation of reeds=leaner jets.Why is this??
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[QUOTE="canyncarvr, post: 662940, member: 16552"] re: 'Jetting should not require changing.' a change from my rev (-30) pipe to my torque (-35) pipe with no other changes will result in a fouled plug in short order. Jetting certainly will need to be adjusted. Besides the vacuum issue keep in mind that a 2-stroke has a tuned exhaust system that is designed to scavenge and pressurize the combustion chamber at a desired rpm band. How well (or not) that system works will have a large effect on what jetting is required. It doesn't [b]all[/b] suck. ....a reference to negative pressures.......;) An aside pick.....reeds don't 'increase' vacuum. Any vacuum results from piston movement. Said vacuum can be applied earlier/later/faster/slower to the carb based on reed design...but reeds don't 'make' vacuum. Yeah...bad reeds can certainly effect the piston's [b]ability[/b] to make vacuum (like when they leak). Still...they don't [b]make[/b] vacuum. [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
Installation of reeds=leaner jets.Why is this??
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