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Author Topic: Martek 440 tips/tricks?  (Read 2314 times)

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Offline OLDN64

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Martek 440 tips/tricks?
« on: July 05, 2012, 09:01:37 PM »
G'day guys,

Wondering if anyone has any experience fitting a Martek 440? Particularly to a CB400F?

I have just purchased one second hand off a running CB750.

I've seen fitting instructions on here, but I was wondering if there is anything I should be careful of, or to look out for during installation?

Also, any experience with the best coils to go with it?

Thanks guys.
Dan.


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Offline david 750f

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Re: Martek 440 tips/tricks?
« Reply #1 on: July 05, 2012, 09:28:51 PM »
I think that the rotor shaft diameter on a 400 is smaller than on the 750 (15mm). Your going to have to get the 750 advance mechanism to make it work..
Just a recollection from working on a 400F many years ago  ;) ;)
« Last Edit: July 05, 2012, 09:40:54 PM by david 750F »
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1976 CB 750F

Offline david 750f

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Re: Martek 440 tips/tricks?
« Reply #2 on: July 05, 2012, 09:31:51 PM »
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1976 CB 750F

Offline OLDN64

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Re: Martek 440 tips/tricks?
« Reply #3 on: July 06, 2012, 02:59:07 AM »
That info is perfect.

Thanks guys.

Do you know what model CB750 Timing Advance Cam I can use ? There are a lot on eBay for '80 model DOHC CB750's. Do you know if these will suit ?
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Offline Terry in Australia

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Re: Martek 440 tips/tricks?
« Reply #4 on: July 06, 2012, 03:10:45 AM »
Quote from: OLDN64 on July 06, 2012, 02:59:07 AM
That info is perfect.

Thanks guys.

Do you know what model CB750 Timing Advance Cam I can use ? There are a lot on eBay for '80 model DOHC CB750's. Do you know if these will suit ?

G'Day Dan, get one for a SOHC CB750, any year or model from 1969 to 1978. They're a great ignition mate, I've got one on my Suzuki GS1000, and had one on my CB750F2 that I sold to a bloke in Perth last year. Did you buy that one on EBay for $59.99? I thought about it, but I've got more Martek ignitions than I have CB750's, so I let it go. Only thing to be really careful about, don't accidentally connect 12V to one of the signal wires, or you'll fry it, and you can't repair them. Cheers, Terry. ;D
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Offline OLDN64

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Martek 440 tips/tricks?
« Reply #5 on: July 07, 2012, 03:22:23 PM »
Hey mate.

Yeah, that's the one I grabbed. I think it was actually one of your posts that lead me to it.

Thanks for the advice too man. Any idea where I could score one in Aus for around the same price as they're going in the US?


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Perth, Australia.
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Offline OLDN64

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Martek 440 tips/tricks?
« Reply #6 on: July 09, 2012, 12:22:13 AM »
Does this look like the correct unit? It's on eBay. Off a '75 CB750F.



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Dan - OLDN64
Perth, Australia.
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