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Spark Plug Thread Size ? #380151
06/21/11 7:55 pm
06/21/11 7:55 pm
Joined: Sep 2009
Posts: 198
East Sussex UK
db133 Offline OP
BritBike Forum member
db133  Offline OP
BritBike Forum member
Joined: Sep 2009
Posts: 198
East Sussex UK
I have been looking for the thread size of a NGK B7ES as a cylinder head I have picked up requires new threads.

Will someone be kind and inform or point me to the info ?

Regards

Last edited by db133; 06/21/11 9:58 pm.
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Re: Spark Plug Thread Size ? [Re: db133] #380176
06/21/11 10:15 pm
06/21/11 10:15 pm
Joined: Sep 2009
Posts: 198
East Sussex UK
db133 Offline OP
BritBike Forum member
db133  Offline OP
BritBike Forum member
Joined: Sep 2009
Posts: 198
East Sussex UK
NGK B7ES

B= 14mm
7= Heat range (2= hot 11=cold)
E= 19mm thread length
S = standard Hook Style Electrode

and the all important 'Thread Pitch' of 1.25mm.

Hope that helps......;-)

Re: Spark Plug Thread Size ? [Re: db133] #380188
06/21/11 11:35 pm
06/21/11 11:35 pm
Joined: Nov 2005
Posts: 7,329
Back on the mainland!
JubeePrince Offline

Life member
JubeePrince  Offline

Life member
Joined: Nov 2005
Posts: 7,329
Back on the mainland!
db -

Pat youself on the back! laughing

Steve


'77 T140J
"Vintage Bike". What's in your garage?

"The paying customer is always right."

Fitting round pegs into square holes since 1961...

Moderated by  John Healy 


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