Maintenance & Technical > KX500 Original

kx500 hard starting

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Polar-Bus:
KX500's can be a PIA to start cold, they need a small amount of raw fuel, and it helps big time. I lean my 500 over the the right hard until i see some fuel weep out the carb overflow hose, choke on , no throttle and usually 3 kicks and ...... BA-BING, BA-BING, BA-BING  the big girl fires right up every time.  Hot my bike fires one or two kicks, your pilot jet selection on a 500cc  is critical to happy starting, idling, and crisp off idle throttle response.

Br5hundo:
il check the floats,i understand iam pretty light at 170 for a 500 but i can crank it over it just takes alot of kicks and time, as far as going down on the main and pilot wouldnt that change alot,i mean with pipes and the vforce going in, atleast for jetting 125s you want to go up for pipes and reeds?

81cr450:
My understanding

Pipes lean
reeds richen

So they tend to cancel each other out

Polar-Bus:

--- Quote from: Br5hundo on January 01, 2013, 07:06:33 AM ---il check the floats,i understand iam pretty light at 170 for a 500 but i can crank it over it just takes alot of kicks and time, as far as going down on the main and pilot wouldnt that change alot,i mean with pipes and the vforce going in, atleast for jetting 125s you want to go up for pipes and reeds?

--- End quote ---

Weight has nothing to do with sucesfully kicking over a k5. I weigh 155, and it's all about learning the technique of using your body, not just your right leg...

I have an FMF pipe, silencer, Moose torque spacer and a mildly ported cyl and my summer jetting is 162 main, stock needle 3rd clip from top, 55 pilot. My 5 runs mint.

Brute:
I agree it is more technique then weight (I have a fair amount of weight on both of you?), but the comp release will spoil you. I used to be more surprised than expectant when cold starting when it started up. Now I am surprised if it does not start within a few kicks. You still have to turn on the fuel though! Doh! Pulled the flywheel weight and went with the 24 ounce flywheel on the new MZB. Curious how it will change the way it starts.

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