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Showing results for tags '2014kx250f'.
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Awhile back the input shaft on my 2014 kx250f snapped the threads off, and I had to split my case. Put it all back together and it runs flawlessly, but once pressure builds in a couple minutes of running it blows oil out of any gasket it can (mainly the cam cover gasket. I tried blowing through the vent hose and can get it to let the air through but if you suck on it the air will stop flowing. I took the clutch basket off and found out the idler gear connected to the Kickstarter shaft was what was allowing me to blow through the hose and move the gear out to let air pass and when putting a suction to it pulls the gear back against that shaft. Not sure what to do and can’t find much research on how it vents pressure out of the motor. Anyone ever experienced this?
Hey guys, so me and my buddy went out riding the other day and we had a little race, his 2014 KX250F vs my 06 KX450. I thought I would have easily smoked him. To my surprise we were dead even :/. Now I am starting to believe something is definitely wrong with my bike. The piston is brand new, the valves were recently adjusted. However my carb has been in need of a good clean. Are these newer 250F's really that fast? Or is it possible something is wrong with my bike (Clutches, carb, valves)? He does have an FMF pipe on his bike and he is definitely lighter than me by a couple pounds at least. What so you guys think?
I have a 2012 kx250f with 2014 engine in it. When I start the bike, it normally takes 2 kicks until it starts for a second and then immediately dies. Then I kick it one more time and it starts running fine. Can anyone help?