front sprocket nut removal - ZX Forums
 
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post #1 of 5 (permalink) Old 10-21-2019, 02:25 PM Thread Starter
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front sprocket nut removal

I am trying to change the front sprocket but the nut is frozen on. I tryed a breaker bar with a 2' long pipe over it and it would not budge. I have seen 5 You-tube videos with guys having the same problem. One guy actually cut the nut off. Anybody have a similar problem? What would be the best way to try and remove the nut?
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post #2 of 5 (permalink) Old 10-21-2019, 02:31 PM
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You can use heat but be careful to just heat the nut and not the shaft, heat and pb blaster

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post #3 of 5 (permalink) Old 10-21-2019, 05:55 PM
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I had one that took a 1" drive impact wrench with 200 psi in the line. Most of the time, an overnight soak in PB then a little heat around the outside of the nut and a regular impact will do.

It may be a pig, but it's a pig with a rocket in it's ass!
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post #4 of 5 (permalink) Old 10-21-2019, 07:25 PM
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Use an impact wrench. It could take up to a few minutes with constant impacting to get it to break loose, but it will eventually come off.

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post #5 of 5 (permalink) Old 11-01-2019, 07:18 PM Thread Starter
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I had to cut mine off with an air cutoff tool. There are about 7 You tube videos with guys having a problem getting the nut off. 4 were zx-14s. 2 guys had to cut the nut off. One was a mechanic at a bike shop. I bought a new one and found that a standard 27mm socket slips when you apply torque. This is the strangest nut I have ever seen. The edges are rounded off. So no standard socket will fit. However you can buy a socket off of e-bay that will fit. It fits the end nut and the 27mm nut at the same time. Price- an outragious $50. There is a You-tube video on a guy showing the one he had to buy. It would be interesting to talk to a Kawasaki engineer to see why they would design a nut like this.
If I ever had to do this again , I would buy a Suzuki nut. It is a standard type with pointed ends.
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