Question about 2006 kawasaki KX 250 F

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I have an 07 kx250f when i try to kickstart it when its cold it takes about 50-75 kicks and will throw a flame out of the exhaust every few kicks but when its warm it only takes two or three kicks at the most with no backfires, any idea what the problem might be?

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Are you certain your choke enricher cable is actually working ....sounds like the carb is too lean for a cold start, usually the choke richens mixture till engine warms and can tolerate normal mixture.

Posted on Mar 15, 2011


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My kickstarter gets stuck on my 1985 honda xl350r, when i put bike in gear and pull backwards it releases the kickstarter but when i try to kick it gets stuck after 1 or few kicks any ideas?

Very cool!
This bike is 30 years old.
There will be worn parts.
My suggestion...........

Dismantle the kickstart components, and check every part as you do so, looking for worn gears, sloppy bushings, and binding parts.

Fix the bits, put it back together, and ride on.


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Im not sure the question is complete but if its cold (hasnt been running) stand over top of it like your about to sit on it. Make sure the bike is in neutral. Hold the front brake to stabilize the motorcycle. Tilt the kickstarter out and make sure there are no obstructions in the kick starters travel, pull the choke out and kick back and down with strong kicks. It might take a couple tries depending on how long its been and how cold it is out side and maintenance of coarse. I hope this answer your problem

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There can be several reasons for this. If there is a lot of chattering noise from the kick start then there is a mechanical interference between the kick start teeth on first gear and the kick start plunger. If there is no noise but the kick start does not return check if there is enough pre-load on the kick start return spring or that the kick start arm is not catching on an external part of the engine such as the exhaust tail pipe. Either way, you'll end up taking the side case off so tip the scooter on it's L/H side so you don't have to change the gearbox oil but remember to put it all back together before standing the bike upright, else the oil will pour onto the floor.

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I traded for a 2007 kx250f the the kickstarter is locked up and im sure maintenance was not at the peak of the rider who had it i have a basic understanding of two strokes but 4 strokes are a completely...

If unfamiliar with 4 strokes, I suggest you let a dealer do the repairs. There is a whole world of things you can mess up on; cam mount torque, cam chain timing, sprocket positioning relative to cam lobe position, etc...

Sep 17, 2011 | kawasaki KX 250 F Motorcycles

1 Answer

What holes the kickstart on a kx250f

The lever should be held on to the shaft by a clamp and pinch bolt. Both shaft a lever are splined and need s to be slide straight of. If it won't slide off, tap a scre driver in the clamp gap tospread the clamp a small amout. The kick lever should the come off.

Nov 05, 2009 | kawasaki KX 250 F Motorcycles

1 Answer

I have a 01 426 and it is really hard to start. I have put a new plug in it canged oil ,checked the valves they are right by the book...but it takes a lot of kicks to maybe if you are lucky to start...

G'day TJP..OK...Lets concertrate on starting procedure.Bring the piston up on the compression stroke , you will feel the kickstarter offering resistance.Pull in the decomp lever and bring slight pressure on your kicking leg,you only want to move the kickstart lever 10-20 mm.Close the decomp and kick her in the her who's BOSS...Be a MAN.Dont forget the choke,fully out when cold,but no more after a few kicks. Keep on try'in, you'll get it.I've seen guys kickin and kickin till the cows come home only to find that they have sooted up the plug and need a hip replacement.Once you do master it you'll have every man,woman and child wanting YOU to start their 4 stroker for them.I think there is something about starting procedure in the service manual...check it out. failing that you may have to clean the carby,IE, air ways,pilot jet etc Good luck...TJP98611.Please leave feedback if i've helped.

Sep 29, 2009 | 2001 Yamaha YZ 426 F

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Kawasaki kx250f 2007 hard to kickstart

If the bike is in neutral and is hard to kick and no piston seize exists, the only other sources for resistance other than compression would be the main bearings and rod bearings, OHC caps, oil pump and water pump. I mention the two pumps because there is a slight possibility that a partial hydraulic lock could be occurring due to a plugged line.

Have you checked the gearbox oil lately?

Jun 02, 2009 | 2006 kawasaki KX 250 F

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