Maintenance & Technical > KX500 Original

Kinda jetting but more carb problem

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motopunk:
I've never had any luck with pj carbs on kawasaki. The 87 I have came with a pj and tried for months to get it to run right. Finally gave up and put a pwk on it and the bike idled and pulled hard all the way to wot. 


the 87 kx models had still the 40mm mikuni roundslide carb in 88 came the keihin pwk 39 to the kx250 and 500 .. pj´s were never available bigger as 38mm. pj carbs are not bad, but the pwk is more effective in performance.



at least i think you should check your crank seals and also the intake reeds, if they close right or damaged..   8-)

Goat:
My 87 was a frankenstein when I got it... 92 frame, 87 swinarm, 87 rear wheel, 87 engine, 88 forks, and a pos pj carb from who knows what. It was one of those backyard hack jobs that barely held together. One of the main reasons the engine is now neatly nestled in a quadracer 250 frame.

motopunk:
the perfect engine for this frame. kicks some ass...  :evil: :wink:  

my ´86-engine came with the stock mikuni, but without the slide and needle , in the ´93-frame was to less place for the mikuni, so i decided to use the pwk ..works great

Crow87:
Took carb 58 pilot 175 main 38 pj of cr500, bike ran faultless, super smooth and pulled from tick over ... At least I know for sure I have a defective carb..... Not to figure out what exactly is wrong with it

Crow87:
Just for anyone who cares, got another pwk, screwed the part that holds jets (2 torq screws) switched them round, bike runs proper. My guess is Oring must have been seeping vapour... Thanks for all u r help

Pj on kx makes a super easy to ride bike, just kills top end, but then I never jetted proper.. Pwk gives it a lot more power on top


Oh yeah .... Got entry for farleigh castle wooohoooo

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