Maintenance & Technical > KX500 Original
KX500 AF Running like a 200
motopunk:
sounds great ... i´m excited to see the bike with the right exhaust on it... :-D
RKPerformance:
Yep im at sea level. 52 pilot jet in there, #2 position on the stock needle, and a 165 main is what i have running now. The carb is a bored pwk 40.5mm.
So you think bump the pilot to 58 and main to 168 then lower needle to #3? It doesnt seem lean at all right now, maybe just on the pilot, but if you think i should give it a pull i will.
Foxx4Beaver:
just my 2 cents...I'm at 250'-500' above sea level here in south-east Massachusetts,and I run
168 main
52 pilot
2nd from top(stock needle)
2 turns out on air
...now I do alot of trail riding,reason why I'm a touch on the "leaner side"...with the occasional WOT down a power line/sand pit,and it pulls hard at all times,never have a problem with the front wheel lifting in any gear...and it runs super crisp and clean.
I also run 25% C12 in my fuel.
I'm no "guru" by any means...and I know every bike has it's own characteristics/personality...but I'm thinking jetting is not your issue...since we're so close to elevation.
RKPerformance:
foxxx I figured out why it ran like butt, it was the previous owner who had a yz250 pipe and 250 silencer on the bike that made it run like dog s**t. Now im just wanting to make sure my jetting is on the numbers. Im not sure where to be at with the bored 40.5 carb. I know what it should be with a stock carb. Plug seems good with the 165 main and i was doing alot of gravelroad riding WOT. Probably wouldnt hurt to jump it up to a 168 and see if it pulls better??
motopunk:
look here in sandblasters kx500-jetting guide . its always a great help 8-)
www.oem-cycle.com
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