Kawasaki KX250F (2015 model) is hard to start?

Hey,

I replaced the piston, cylinder, and timing chain on my 2015 Kawasaki KX250F and adjusted the valve clearance.

Now, however, I'm having a problem getting it started. I feel like I have to kick it about 50 times before it starts… When the engine is on, it runs smoothly and without any problems. But when I kick it, it seems like it only starts with a perfect, strong, and fast kick, and with a lot of luck. Otherwise, it just misfires…

Does anyone have any idea what could be causing this?

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matrix791
4 years ago

Replace the spark plug, the connector, and the thick cable. (That would be the easiest thing to do. Your hint: when it's warm, it runs great. That's a sign that something's wrong with the ignition. But when it's warm, it must be something to do with the heat.)

The worst part: you've swapped something in the timing chain. (That would explain the misfire.)