KZ 1000 Head Cracks in spark plug threads

  • kaw-62046
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KZ 1000 Head Cracks in spark plug threads

23 Sep 2006 20:07
#79077
Picked up a used 1980 KZ1000 head.Has some cracks running from the spark plug treads to the valve seats.Have talked to a lot of people some say use it will not hurt any thing.Some say scrap it, need some feed back from you all. Thanks

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  • wireman
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Re: KZ 1000 Head Cracks in spark plug threads

23 Sep 2006 20:22
#79085
are they actual cracks or just the way the casting looks?if they are actual cracks chuck it;)

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  • APE Jay
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Re: KZ 1000 Head Cracks in spark plug threads

24 Sep 2006 00:28
#79125
This is quite common. If you are just going to clean it up, maybe do a valve job, and run it, it will be OK.

However, if you were going to put a bunch of coin in it, porting, etc, you might want to locate a nicer core.

Jay

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Re: KZ 1000 Head Cracks in spark plug threads

24 Sep 2006 14:07
#79206
Thanks Jay,you are the man about KZ'S ! I will send it to your shop for the valve job.Thanks for your honest help.

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