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Crankshaft Sprocket removal - how?


John Howe

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In my experience this sprocket can be very difficult to remove. It is usually held by corrosion between the crankshaft and the sintered sprocket. Try a bit of gentle heat on the sprocket together with a soak in plus gas or similar. Then a three legged pulley drawer or a lever bar should shift it, trouble is the only bit you can pull against is the pressed steel rim which easily distorts. The answer is apply some coppa slip on reassembley for next time. I caution you not to start banging at it with a hammer.
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