Gen 1: 2004-2005 leaky drain bolt - Page 2 - Kawasaki ZX-10R.net
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post #11 of 18 Old 07-27-2018, 02:11 PM
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You can also smear RTV high temp silicone around crush washer for better seal at drain hole. If threads are bad you will be able to feel it when applying torque. Heli-coil will fix that as others said. Be sure your straight when you drill! Good luck!
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post #12 of 18 Old 07-27-2018, 02:57 PM
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Heli-coil doesn't do shit if the pan is cracked...
Yes, to clarify, the shop would be a pretty bad one if they went ahead with a heli-coil if the pan is cracked. Moreover, the OP wouldn't bother taking it to a shop after finding a crack in the pan after removal. I'm sure we'd all agree that the most likely cause of the leak is partly stripped threading.

Apologies to the OP for my abbreviated reply but it demonstrates my ignorance since the cracked pans I've seen were from lowered cars bottoming out. I can't recall seeing a cracked pan from over tightening and stripped threads were the result. I worked for a drive through oil change place in Uni so I saw more than a few leaking drain plugs during that time.

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post #13 of 18 Old 07-27-2018, 03:09 PM
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For the record I have seen motorcycle oil pans cracked dozens of times from over-tightening the drain bolt. Cast AL pan gives up and cracks at the bolt hole instead of stripping the threads. If you keep turning the bolt and you get a quick thud just as it starts to get tight then goes loose again, it's usually a cracked pan.
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post #14 of 18 Old 07-27-2018, 03:57 PM
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For the record I have seen motorcycle oil pans cracked dozens of times from over-tightening the drain bolt. Cast AL pan gives up and cracks at the bolt hole instead of stripping the threads. If you keep turning the bolt and you get a quick thud just as it starts to get tight then goes loose again, it's usually a cracked pan.
Ahh, very good to know! I wonder if it's because motorcycle engineers are chasing lightweight over durability and the pans are cast thinner? If it's the case it definitely warrants more caution doing oil changes on bikes vs. cars.

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post #15 of 18 Old 07-27-2018, 04:13 PM
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Ahh, very good to know! I wonder if it's because motorcycle engineers are chasing lightweight over durability and the pans are cast thinner? If it's the case it definitely warrants more caution doing oil changes on bikes vs. cars.



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post #16 of 18 Old 07-27-2018, 05:41 PM
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If you have a K&N oil filter, it could very well be seeping oil and running down to the drain bolt and looks like the bolt is the culprit.
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post #17 of 18 Old 07-27-2018, 06:10 PM
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Just install a race spec catch pan and put a little kitty litter in it, that will
hold you over for a while.
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post #18 of 18 Old 07-27-2018, 07:39 PM
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