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Spark Plug Thread hole size

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GregZ
100Club
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Posts: 334
Joined: 19th Jul 2007
Location: Indiana -USA

Spark Plug Thread hole size

#1 PostAuthor: GregZ » Fri Sep 14, 2007 11:28 am

Can someone tell me the thread size for sparks plugs holes on a Z900 head. I need to run a tap through and clean some threads
thanks
Z1
1965 Corvette

grumpuszed1
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Posts: 74
Joined: 27th Jul 2007
Location: Saltash,cornwall

#2 PostAuthor: grumpuszed1 » Fri Sep 14, 2007 5:27 pm

thread size is m14 x 1.25 pitch


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