Spark Plug Gap?

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21 May 2010 05:03 #369483 by WMKZ900
Spark Plug Gap? was created by WMKZ900
My 76 KZ900 still has points and standard coils.

What is the optimal spark plug gap?
Have and Running
66 Honda S90
71 Honda CB350
71 Kawasaki H1 500
73 Kawasaki H2 750
76 Kawasaki KZ900
06 Kawasaki Concours

Had
65 Honda S65
68 Honda CL 175
71 Honda CB 450
72 Kawasaki H2 750
74 Kawasaki H2 750

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21 May 2010 05:46 #369492 by otakar
Replied by otakar on topic Spark Plug Gap?
.025-.030"
74 Z1-A stock
76 KZ-900 Totaly stock vice MAC pipe
77 KZ-1000A stock
78 Z1-R 100%MINT 500 original Mi.
78 Z1-R Yoshi 1103 kit stage 1 cams Yoshi pipe. Etc
79 KZ-1300 (1400)
80 KZ-1300
81 Scratch built GPz1150R
82 KZ1000

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21 May 2010 10:21 #369551 by bountyhunter
Replied by bountyhunter on topic Spark Plug Gap?
I think my manual says 7 - 8 mm which is .028 - .032".
1979 KZ-750 Twin

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21 May 2010 14:26 #369603 by otakar
Replied by otakar on topic Spark Plug Gap?
On points with a weak old coil the smaller the better.
74 Z1-A stock
76 KZ-900 Totaly stock vice MAC pipe
77 KZ-1000A stock
78 Z1-R 100%MINT 500 original Mi.
78 Z1-R Yoshi 1103 kit stage 1 cams Yoshi pipe. Etc
79 KZ-1300 (1400)
80 KZ-1300
81 Scratch built GPz1150R
82 KZ1000

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