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PostPosted: Sat Sep 16, 2017 4:31 pm 
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Joined: Wed Jun 08, 2011 7:32 pm
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Location: Macon, GA
Thanks for the help Jim and Moo! :D

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1972 Kawasaki H2 Mach IV (Candytone Blue), 1976 Suzuki GT750 (Maui Blue)
1984 Yamaha RZ350 (KRR- Yellow/Black).

“Jeff and Chris are THE MEN!”
RIP John E. Evans


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PostPosted: Sat Sep 16, 2017 5:17 pm 
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Location: Rio Rancho, New Mexico
Glad to help! I will stump for Jim. If you dont have his boxes yet, get em. Stock still is all failing.

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PostPosted: Sat Sep 16, 2017 5:30 pm 
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The one that failed was Jim's box but it was 5 yrs old. Thank goodness I had my old stocker.

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1972 Kawasaki H2 Mach IV (Candytone Blue), 1976 Suzuki GT750 (Maui Blue)
1984 Yamaha RZ350 (KRR- Yellow/Black).

“Jeff and Chris are THE MEN!”
RIP John E. Evans


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PostPosted: Sat Sep 16, 2017 5:33 pm 
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Joined: Wed Jun 08, 2011 11:34 pm
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Location: North Central NC
You sure it was a full five? Was it a rebuild, or a single box?

Edit: I found the information, it was a rebuild in early 2012. Send me an email please, so I can work something out to help.

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If it surges, that's normal, upshift.


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PostPosted: Sat Sep 16, 2017 6:16 pm 
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Email sent to you Jim. :)

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1972 Kawasaki H2 Mach IV (Candytone Blue), 1976 Suzuki GT750 (Maui Blue)
1984 Yamaha RZ350 (KRR- Yellow/Black).

“Jeff and Chris are THE MEN!”
RIP John E. Evans


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PostPosted: Sat Sep 16, 2017 6:41 pm 
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Joined: Wed Jun 08, 2011 11:34 pm
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Location: North Central NC
Got it. I'll get you going again, Evans.

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If it surges, that's normal, upshift.


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PostPosted: Sat Sep 16, 2017 9:48 pm 
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Joined: Thu Sep 29, 2016 4:32 am
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Location: Indianapolis, IN
Jim, does the too high voltage from the original voltage regulator end up killing the CDI boxes?

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1974 Kawasaki H2B 750, 1981 Yamaha XV750 Cafe, 1986 Kawasaki KDX200, 2003 Honda XR100, 2004 SDG140. 2006 Ninja 500R Turbo intercooled fuel injected.


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PostPosted: Sat Sep 16, 2017 11:00 pm 
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Location: North Central NC
No, the ignition system is powered by magneto coils in the alternator, which are completely separate from the 12v system. An H2 or a late H1 will run with no battery installed.

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If it surges, that's normal, upshift.


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PostPosted: Wed Sep 20, 2017 5:31 pm 
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I was asked by Jim to ship back the CDI to him. He tested it and it passed every test working flawlessly! Must have been a bad ground somewhere on my bike? Anyway, a big shout up and props to Jim for his excellent customer service! :thumbup:

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1972 Kawasaki H2 Mach IV (Candytone Blue), 1976 Suzuki GT750 (Maui Blue)
1984 Yamaha RZ350 (KRR- Yellow/Black).

“Jeff and Chris are THE MEN!”
RIP John E. Evans


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PostPosted: Wed Sep 20, 2017 9:22 pm 
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Joined: Wed Jun 08, 2011 10:04 pm
Posts: 1967
Location: Nottingham U.K. / Traverse City Mi
disconnecting the ignition boxes and not draining that capacitors will kill the boxes if you refit and try to kick start, they somehow get double charged and blow the thyristor. .

A good ignition system will fire by removing the plugs and putting a 13mm wrench on the rotor and turning by hand, even a light kick with no plugs will / should produce a healthy spark

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