Maintenance & Technical > KX500 Original

kx500 power opinions

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tharden:
I have got to say I did not think this was going to happen.  I thought I had my 500 tuned to make pretty good power, but my cousin just ran by me on a 07 yz250.  He said his bike only has a pipe,wisco piston, and carb jetted.  This is what my bike has gnarly pipe, k&n airfilter, and I leaned out the carb one point on the main jet.  I just do not get it.  The 500 seems to be running great, very smooth and powerful, but I guess not as powerful as I thought.  I just do not know if my tire is spinning too much or what. I just put a new Kenda 771 on it.  It seems where ever I go I leave a trench.  One thing though, I think I am going to switch back to the stock filter.  It seems to be better than the K&N. 

KX500freak:
thats a sad story ,but to be realistic  :roll:
an aged pretty stock k5 delivers about 58 HP

a modded fresh 250 goes up to 50 HP or more
take the riders weight and skills ,there you go

it can be true in other words i think  :|

tharden:
I weigh about 30 pounds more than he does, but I do not think 30 pounds would make that much difference.  As for the engine, it does have 162 psi which I think is pretty much where it should be stock.

KX500freak:
everything in good order ? kips working correct ?
muffler repacked ?

if so ,i can only suggest the magic hand of mr k5 stewart

kaw rider:
gearing is very important to go fast.

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