Maintenance & Technical > KX500 Original

Parts suggestion, want to change powerband

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paulkx5:
Thank you all for your suggestions. I am kind of leery about trying the flywheel weight, I don't want to lose throttle response in the mid and top. How much difference will the weight make, also what brand/ size would you recommend [thread on only]? I was kind of hoping to aviod changing the chain/ sprocket, they were new when I bought the bike [still excellent] and Iwas hoping to wear them out, also the bike seems to be pretty high geared already. I may try it anyway though.

I am having a hard time finessing clutch as YUNGUNNAZ alluded to, as I am still recovering from a bad wrist, and an elbow fracture a year and a half ago [kid ran onto the track]. First and second gear wheelies are hard to maintain without clutching with the touchy throttle. I have read all the posts on easing clutch pull and already have T2 cable etc. Thinking maybe a hydro would help.


Rick, [or anyone] would you mind describing some of the disadvantages/ tradeoffs of running a flywheel weight?
Thanks,
I really appreciate all the input.

John:
May I suggest that someone writes a review on the flywheel weight instead... I would but I am kind of busy right now... :lol:

//John

toddwunsch:
Moose spacer at www.denniskirk.com (Fuel and intake section)  Flywheel weight at www.steahlyoffroad.com and definately go with a 45 in the rear.  That was the first mod I made to my bike was going to a 15/45 and it made a huge difference.  Depending on where you are riding you may also want to look at the Team Green jetting settings at http://www.kawasakisportscenter.com/2000_Jetting.htm  I changed to those settings and felt a little difference in the mid / low range.

gowen:
If I'm correct, you are looking for mid-top end not torque as in low-mid.

I'd suggest sending it off to have it ported and have the head worked. It has been the most effictive so far. I just got a FMF Desert pipe, but have not tested it yet. Also, Boyesen Power Reeds did alot of top-end magic. I needed a total engine overhaul last year and had a company do it, top/bottem end for $1150 (total new crankshaft, hot rod, 88mm piston, mid-top port, head work, powervalve work, nickle plating, ect. ect.) If it is just a top-end job it is $400. So, very happy with results. Just now need to try out this FMF pipe, also have a Powercore silencer.

I do have a stealthy flywheel if you want it, took it off when I purchased it. don't need it. if you want it, I can dig it out.

My KX runs more like a 125 now. But, with alot more power. ;-) and the low-end of a 4stroke still is almost there. But, the top-end is absolutely insane. But, since I do more wfo farm lands, it is been a godsent.

toddwunsch:
Gabe.  If you're willing to sell the flywheel, please contact me via private message.

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