Spark plug of choice for MKII w/ Kerker?

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20 Apr 2014 22:08 #629807 by 300kph
Spark plug of choice for MKII w/ Kerker? was created by 300kph
Is the standard spark plug OK to run with a header-equipped MKII? Stock airbox / no engine mods.

What is the plug of choice for forum members?

W
1978 KZ1000 D1 (Z1R)
1979 KZ1000 A3 (MKII)
1979 Honda CBX (Candy Glory Red)
1980 Suzuki GS1100E (Silver)
1980 Suzuki GS1100E (Red)
1978 Yamaha XS1100
1982 Suzuki GSX1100S (Katana)
1984 Kawasaki KZ1100R (Silver)
2004 Honda Rune (Bloodstone Red)

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21 Apr 2014 02:15 #629816 by Patton
Replied by Patton on topic Spark plug of choice for MKII w/ Kerker?

300kph wrote: Is the standard spark plug OK to run with a header-equipped MKII? Stock airbox / no engine mods.

What is the plug of choice for forum members?

W


Would continue using the standard plugs, NGKB8ES.

The FSM also says ND W24ES-U (presumably equivalent).

Good Fortune! :)
1973 Z1
KZ900 LTD

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21 Apr 2014 04:40 #629821 by TexasKZ
Replied by TexasKZ on topic Spark plug of choice for MKII w/ Kerker?
+1
1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough

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21 Apr 2014 07:54 #629841 by 531blackbanshee
Replied by 531blackbanshee on topic Spark plug of choice for MKII w/ Kerker?
ngk b8es is all i have ever used on a kz1000.

or banshee for that matter :laugh: !

leon
skiatook,oklahoma 1980 z1r,1978 kz 1000 z1r x 3,
1976 kz 900 x 3
i make what i can,and save the rest!

billybiltit.blogspot.com/

www.kzrider.com/forum/5-chassis/325862-triple-tree-custom-work

kzrider.com/forum/5-chassis/294594-frame-bracing?limitstart=0

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22 Apr 2014 10:03 #629963 by KraZyRIDER
Replied by KraZyRIDER on topic Spark plug of choice for MKII w/ Kerker?
...Spark plugs are like tea leaves. :)

...You just have to know how to read them. ;)

Mean Green Speed Machine!
1979 KZ 650-C3 (Cafe Project)
1982 GPz 750-R1
1981 GPz 1100-B1
2005 H-D XL1200C
2006 H-D XL1200C
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22 Apr 2014 11:18 #629970 by Dr. Gamma
Replied by Dr. Gamma on topic Spark plug of choice for MKII w/ Kerker?
One of my most prized possessions is my vintage Champion Spark Plug reading tool.

Reading a plug tells you everything. If you know what you are looking for.


1972 H2 750 Cafe Racer built in 1974.
1976 KH400 Production Road Racer.
1979 Kz1000 MK. II Old AMA/WERA Superbike.
1986 RG500G 2 stroke terror.
1986 GSXR750RG The one with the clutch that rattles!

Up in the hills near Prescott, Az.
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22 Apr 2014 16:36 #630005 by zukdave
Replied by zukdave on topic Spark plug of choice for MKII w/ Kerker?
Chad Knaus wish he was 1/2 as good as the real cat in the hat.
1980 KZ650 F1
ZX750A1 motor.
Wiseco 810cc kit.
Zukiworks racing ported head.
VM 29 smooth bore's.
Dyna 2000 Ign. w/Dyna mini coil's
APE cylinder stud's and nut's.
APE valve spring's.
APE Track King clutch.
V/H KZ1000 sidewinder.
3.5x18 laced to a KZ1000 disk hub.
150/60/18 Shinko 006 Podium.
63" wheel base.

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22 Apr 2014 17:02 #630006 by KraZyRIDER
Replied by KraZyRIDER on topic Spark plug of choice for MKII w/ Kerker?

zukdave wrote: Chad Knaus wish he was 1/2 as good as the real cat in the hat.


......He's gettin' there, Dave. He's gettin' there. ;)
Mean Green Speed Machine!
1979 KZ 650-C3 (Cafe Project)
1982 GPz 750-R1
1981 GPz 1100-B1
2005 H-D XL1200C
2006 H-D XL1200C

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22 Apr 2014 17:42 #630011 by Dr. Gamma
Replied by Dr. Gamma on topic Spark plug of choice for MKII w/ Kerker?

zukdave wrote: Chad Knaus wish he was 1/2 as good as the real cat in the hat.


The grey area ain't near as big as it used to be. Too bad!!!!!!
1972 H2 750 Cafe Racer built in 1974.
1976 KH400 Production Road Racer.
1979 Kz1000 MK. II Old AMA/WERA Superbike.
1986 RG500G 2 stroke terror.
1986 GSXR750RG The one with the clutch that rattles!

Up in the hills near Prescott, Az.

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24 Apr 2014 19:52 #630295 by MDawnz1
Replied by MDawnz1 on topic Spark plug of choice for MKII w/ Kerker?
+1 for my hero in the hat photo.

My Z1a , and just about every other air cooled bike I have ever worked on (thousands) has run BETTER and been easier to tune with ND plugs
I don't know why , but other mechanics have said the same thing.

The W24es-U has a new part # now a days.
Check with ND online I guess.

Mike
1974 Z1a, still 903

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