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Canadian Daves JustKDX
KDX 200 or 220? Engine characters...
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[QUOTE="reepicheep, post: 1380569, member: 104942"] Well, the $500 included reboring, replating, the right weisco piston, the rings, the small end crank bearing, the wrist pin, the circlips, shipping both ways, removal and cleaning of the KIPS assembly, a new top end gasket kit, and porting. All expertly done, and with a single "just call here and be done with it". That compares to (I am guessing) at least $350 for any other solution that involves nickisil, and at least $300 for a sleeve (heck, the weisco itself is $100). So, is the nickisil the miracle stuff it is claimed to be? It seems to do a fine job with the two 40HP 450cc pushrod aircooled cylinders glued together on my Buell for it's motor... which includes that poor second cylinder that does nothing but eat heat from the first one. I'm at 30,000 miles on that with no problems at all, so it's doing something right. If so, I'll be able to skip every other ring job, and maybe double the life of a piston, and maybe get another 50% or 100% over another rebore or resleeve. If that is the case, then it wasn't only worth it, it was cheaper. If it just lasts as long as a sleeve did, its still not a terrible deal, so regardless, yes, I am happy with it. And to be fair, I think I have some unrelated issue that I am chasing down... remember this is the "bike in a bucket" that everything was broken on. I am still having occasional misfires at high RPM's, just about the times things are getting all fun and blurry :). So when I clean that up and this thing really gets dialed in and crisp, I expect I'll be very happy. The one point I would make though was that as a newbe just coming here and looking at information, I got the impression that the 220 was a 200 with a weak piston and ruined jetting. Now that I have one of each in the garage (a stock 200, a resleeved 220, and my 225... not all mine, I'm tuning them for friends). I think that characteristic is a little unfair... The weak piston part is true for sure, but I think the smaller carb is probably actually the better choice, it sure is easier to tune. And a really dialed in 200, and a really dialed in 220, and a really dialed in 225... are all fast fantastic woods bikes. Not a turkey in the bunch, and any of them would make anyone happy. And I would say (aside from the weak stock piston) the 220 really was a step forward from the 200. [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
KDX 200 or 220? Engine characters...
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