SPARK PLUGS BOSCH

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SPARK PLUGS BOSCH

09 Oct 2010 08:34
#405454
Anyone ever tried Bosch spark plugs in a 900 or 1000 Kawi?

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  • loudhvx
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Re: SPARK PLUGS BOSCH

09 Oct 2010 08:45
#405455
I haven't tried them in KZ's, but the only plugs that have consistently failed on me, in several different cars, were Bosch. Some didn't even make it a few months, whereas the cheapest of the cheap champions, in the same vehicle lasted years and years. Lesson learned.
1981 KZ550 D1 gpz.
Kz550 valve train warning.
Other links.

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  • MFolks
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Re: SPARK PLUGS BOSCH

09 Oct 2010 09:39
#405465
I've had good luck using Denso W24ESU's. At one time I had a series of NGK plug failures that were real head scratchers, as the plugs would idle fine but would fail/act up under load.

Changing to Denso sparkplugs solved this problem.....
1982 GPZ1100 B2
General Dynamics/Convair 1983-1993
GLCM BGM-109 Tomahawk, AGM-129A Advanced Cruise Missile (ACM)

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  • otakar
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Re: SPARK PLUGS BOSCH

09 Oct 2010 19:20
#405580
Bosch are junk I also like the Denso plugs. I also like and use nothing but the w24es-u plugs. I run mine with a.060 gap with Dyna coils.
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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  • 650ed
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Re: SPARK PLUGS BOSCH

09 Oct 2010 20:04
#405583
+1 on the Denso ES-U plugs.
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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  • fordtruck
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Re: SPARK PLUGS BOSCH

10 Oct 2010 08:42
#405650
Where do you find Denso plugs? Can they be picked up at Autozone or O'reilly's?
'77 KZ1000-MTC 1075 kit. Stage 1 port

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Re: SPARK PLUGS BOSCH

10 Oct 2010 09:39
#405657
fordtruck wrote:
Where do you find Denso plugs? Can they be picked up at Autozone or O'reilly's?

Yes, sometimes.
Denso used to be called NipponDenso or ND.
1981 KZ550 D1 gpz.
Kz550 valve train warning.
Other links.

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  • otakar
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Re: SPARK PLUGS BOSCH

10 Oct 2010 10:18
#405667
Actually
Those plugs are no longer available on the open market. I bought every one left in the US from Denso. They're $3.99 each
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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Re: SPARK PLUGS BOSCH

10 Oct 2010 10:40
#405672
Go here to Rock Auto, thats where to get them cheap.
www.rockauto.com/catalog/raframecatalog.php

Price $1.33 + POST
DENSO Part # 4030 More Information About this Part {#W24ESU} Standard
Category: Spark Plug
1982 KZ1000LTD K2 Vance & Hines 4-1 ACCEL COILS Added Vetter fairing & Bags. FOX Racing rear Shocks, Braced Swing-arm, Fork Brace, Progressive Fork Springs RT Gold Emulators, APE Valve Springs, 1166 Big Bore kit, RS34's, GPZ cams.
1980 KZ550LTD C1 Stock SOLD Miss it
1979 MAZDA RX7 in the works, 13B...

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  • otakar
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Re: SPARK PLUGS BOSCH

10 Oct 2010 10:55
#405676
Did you try to order any from them? Why don't you try and order four and see what happens.
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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  • JR
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Re: SPARK PLUGS BOSCH

10 Oct 2010 12:52
#405698
NGK all the way.
Champion in a pinch.
Dont waste money on Bosch
1980 kz750E1, Delkevic exhaust

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  • 650ed
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Re: SPARK PLUGS BOSCH

10 Oct 2010 13:57 - 10 Oct 2010 13:59
#405722
Here's another place for plugs:

Club Plug
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)
Last edit: 10 Oct 2010 13:59 by 650ed.

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