Maintenance & Technical > KX500 Original

Just bought a mint 2003 K5 today, not as much power as expected?? have pics :)

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93cbra:
Yeah I did it before also :)

I checked out my bike. The jets were way of (52, 158, position 2). The compression was 155. I rejetted it and it feels a little better. I guess I was just expecting more. I did all my testing on a road, I'm sure once I get it on the trails it will be a handful LOL

azracer19:
I did the same thing on the 450 it shot out like a cannon...going to use is when the neighbor kids have there potato gun fights... that turbine core silence he has cost me an overall ( in my class ) at the adelonto gran prix years ago...i crashed hard and the silencer the way it points down was clogged full of dirt, i noticed it while laying down watching everyone pass me 3 times. As far as not lifting the front wheel on a 3rd gear roll on,,,,theres a big problem unless he is lugging it just past the point of stalling. There are many times I wish it didnt come up so easy. Throttle control big time is needed. Sounds like jetting is way off or the kips is closed shut. i think even lugging it mine will come up.

Johnniespeed:
On the road my 500 will pull the wheel up in fourth with just the flick of the wrist, also in fifth but not as quickly.
 There must be something not set up right or mismatched modifications. There are many many riders who can outride me, but I have not found a dirt bike who can pass the 500 on a road. Usually when the other bikes run out of power on a road, that is when I wheelie past just to show off.

500freak:
sounds exactly like my bike!!! GOT TO LOVE THAT POWER

dsrtrider:
what oil are you using at 32:1?  I think most guys here run like 40:1 maybe higher. 

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