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The Black Bomber Board / Re: Timing problems on the 450 Bomber
« Last post by royhall on Today at 09:12:45 PM »
That's an understandable mistake that's been made by many people. There's only Honda could use a black wire for a switched live. Goes against just about every wiring convention ever. In fact it's a bloody stupid idea. Hopefully you've found the mistake and it's now going to work.

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New Member Introductions / Re: Hi All
« Last post by McCabe-Thiele (Ted) on Today at 08:53:06 PM »
Welcome to the forum Simon.
Snapped bolts & striped threads are the norm with old Honda's indeed back in 1964 I had the same problems with JIS head screws that would not budge even using a genuine Honda tool of the period.
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The Black Bomber Board / Re: Timing problems on the 450 Bomber
« Last post by mo goldie on Today at 08:31:41 PM »
Are ok thanks K2.... so it is that they are + to the coils then just to be clear ?
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Out & About / Re: OUT AND ABOUT 2023
« Last post by Johnny4428 on Today at 08:20:27 PM »
Cant say I blame you Gareth!🥶🥶
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The Black Bomber Board / Re: Timing problems on the 450 Bomber
« Last post by K2-K6 on Today at 08:02:30 PM »
Quote from: mo goldie on Today at 06:37:36 PM
Are ok guy`s well here are where things might have gone wrong then......

as I thought the black and white were earths so when i connected the E/I up i put them to earth and the blue and yellows to the live on the Modules .........if that is he case then I was just NOT getting power to the coils would you say that is right ?

so it might be that the E/I is ok after all ?

oh something else to try out first ha  ;D

what a numpty if that is the case  :o

oh there is No blue/yellow coming out of my wiring harness Roy just the black and green that power the horn which the coils get there power from...... but I did think the two black and whites were Earth ......oh well you will Now tell me if that is right ha lol.

yes Roy they are new coils ..well new to me they were on the bike when I got it.....if they are ok I have just got a new pair as well now :)

Possible then that you've reversed polarity within the E I that may not allow switching of coil load to take place. The triggers are directional, so it may be such that it's not working because of this swap.

Worthwhile setting them now with this info to see if they chime in.
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The Black Bomber Board / Re: Timing problems on the 450 Bomber
« Last post by Bryanj on Today at 07:46:07 PM »
Black/white comes from kill switch and should have a double connector where it exits the loom near the coils and both black/white from coils plug in there
Either condenser blue and yellow OR coil blue and yellow have a double connector and the coils, wire from points and wire from condensers connect colour to colour at that point.
Just for info the points plate assembly on a gl1000 is the same as 450 twin and 500 twin, not sure about condensers
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New Member Introductions / Re: Hi All
« Last post by Johnny4428 on Today at 07:36:50 PM »
Hello Simon welcome to the forum! Greatly depends where it has snapped of course. Good luck with it, and look forward to some pics.
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New Member Introductions / Re: Hi All
« Last post by Nurse Julie on Today at 07:24:35 PM »
Welcome to the forum Simon. Sorry to hear about your snapped bolt, it can be a common problem with these old engines. After you've posted 5 posts, you can show us a photo of the problem.
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New Member Introductions / Hi All
« Last post by Sime30 on Today at 07:10:27 PM »
Thanks for letting me join the club. Interested in learning more. I've a CB750 K1 which i'm rebuilding the engine. Already come into a problem with a snapped cylinder head tie bolt. Any hlp in removal and replacement welcome. Cheers Simon
 
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The Black Bomber Board / Re: Timing problems on the 450 Bomber
« Last post by mo goldie on Today at 06:37:36 PM »
Are ok guy`s well here are where things might have gone wrong then......

as I thought the black and white were earths so when i connected the E/I up i put them to earth and the blue and yellows to the live on the Modules .........if that is he case then I was just NOT getting power to the coils would you say that is right ?

so it might be that the E/I is ok after all ?

oh something else to try out first ha  ;D

what a numpty if that is the case  :o

oh there is No blue/yellow coming out of my wiring harness Roy just the black and green that power the horn which the coils get there power from...... but I did think the two black and whites were Earth ......oh well you will Now tell me if that is right ha lol.

yes Roy they are new coils ..well new to me they were on the bike when I got it.....if they are ok I have just got a new pair as well now :)
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