Question about kawasaki KX 250 Motorcycles

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I am considering replacing the entire crank assembly. any tips?

I am considering replacing my crank assembly in my 1994 kx 250. I know that the connecting rod lower bearing exploded and caused the rod to bend. I am pretty mechanically inclined but I have never split cases on a dirt bike engine. will i need any special tools?

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You will need a flywheel puller you can purchase from or other mc tool outlet. This is a must tool. Otherwise you can do the job with simple hand tools such as wrenches, allen wrenches all metric of course, and a rubber mallet. It will take about two hours to disassemble. your crank will have to be rebuilt by a shop with a crank jig and a press. the halves must be aligned perfectly. then wash everything very good make sure you have all the exploded bearing cleaned out then make sure again, and reassemble. best wishes!

Posted on May 11, 2009


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