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Canadian Daves JustKDX
FMF Gnarly Desert- All I Can Say is WHOA!
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[QUOTE="canyncarvr, post: 727683, member: 16552"] MT is cryptic for MotoTassinari. DFII is cryptic for DeltaForceII. The prior makes the latter. First off, understand this is completely IMO and all that other disclaimatory bs... I'm not a radvalve fan. I had one. I did [b]not[/b] get any decent bottom response out of the -30 with the stock reed setup, aftermarket reeds ON the stock cage or the radvalve. That was [b]with[/b] an rb-modified carb. If you could get past the problem of the radvalve not working in the first place the reeds didn't last a year. Still, the radvalve [b]had[/b] to have the -35 in the woods. It was the DFII that made the -30 viable in the woods. An airstryker (4-vent keihin carb also rb modified) helped, but the reedcage change was the key. A longer headpipe (re: torque ring spacer) will tend to shift the power band down. I don't use one. Haven't tried one. I do run two exhaust gaskets. Never tried to dertermine definitively how much of a difference (if any) that makes. It's not worth my time. Re: aftermarket S/As. When I first put on my PC silencer I was surprised at the low-end tractability/response improvement. I'd read that other than weight a muffler change really didn't accomplish much. That wasn't my experience. Keeping the packing in the S/A up to snuff is critical, also. Bottom end will fade slowly over time and you likely won't notice it much. Then finally get around to changing the packing like you [b]should have[/b] six months prior and you'll find quite an improvement. I've got an FmF TCII also that one of these days I need to compare to my PC. Gotta round up some mounting hardware............:think: **edit** The 'smooth roll-on' response I'm talking about is a bit touchy to come by. There are two 'sweet spot' air screw settings for the RB-modified carb (never tried it on an oem pwk). You can tune it to a quick/hard throttle response [b]or[/b] to a 'softer' but more sure pulling response (an additional turn or so out). I posted this observation some time back...never heard anything further about it. Here's the basic point of all this drivel. The kdx (and most likely every other machine) is a [b]hugely[/b] tuneable device. You can make it do pretty much anything you want it to. Between basic bolt-ons, maintenance, engine tuning, technique, adjustment and general fussin' with you can get to a couple of good places to be. 1. You know your bike well enough that you can tweak out [b]any[/b]thing, and 2. It's a whole lot more fun to ride in the first place! Maybe it's not a whole lot of fun messing with eleventy-dozen jetting combinations or your 10th needle on the umpteenth clip, but the [b]result[/b] is worth it!! Speaking of which btw, I've been running a DEK-4 for awhile. Another one'a those 'great' improvements! [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
FMF Gnarly Desert- All I Can Say is WHOA!
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