SOHC.co.uk Forums > CB350/400
Electronic ignition choices
SeanFD:
--- Quote from: McCabe-Thiele (Ted) on February 25, 2023, 01:17:11 PM ---On my 500 I was thinking of something cheaper as I have new coils - the Hondaman system sounds very good from what I have read here.
Can't say too much here at the moment but Bryan might have a system in the pipeline for me.
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I have the Hondaman set up on my 750K2; it has faultlessly covered 30,000Km and on one set of points!
It is easy to fit and has the advantage that if it stops working, you can simply disconnect it, reconnect the points and off you go. (Has never happened)
billdn:
--- Quote from: philward on February 26, 2023, 04:34:35 PM ---I have the Boyer system (Inc power coils) on my CR750 Rep - good but you will have to make up a bracket to accommodate the coils. They perform well but haven't put much mileage on them - but had them for 30000 on my Z1 back in ty 70's and was trouble free.
I have Hondamans system on both my 500k2 and 750k2 - good value and cheap. Mark (Hondaman on the US forum) usually puts them down as return of repaired parts so no import duty (he did for me anyway)
Sent from my moto g(50) using Tapatalk
Phil, did you notice a drop in charging voltage to battery with the micro coils. As a check I thought I'd chuck voltmeter across the battery , can't get more than 13.5v at 5000rpm , whereas manual quotes 15v at 5000rpm. Not much difference with lights on btw. It is a new battery. I also have a combined regulator/rectifier unit from Wemoto, which worked fine before. Maybe just needs a good run ! I'll do the usual checks on alternator etc in due course.
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McCabe-Thiele (Ted):
What are micro-coils are they like modern car coil packs?
billdn:
No idea Ted, came with the kit but do carry spark to ht leads then the plugs. All plugs spark but only 1 fires , or something like that.
Went for these as an ht lead on old coils was decidedly dodger and about to fall off.
Oddjob:
If the coils are essentially double sparking then that's an additional draw on what is a very limited wattage charging system, around 150w IIRC. A Dyna system uses around 1amp more than stock coils for example and that only sparks half the time as per the normal Honda system, if it sparks double then potentially that's another 1amp loss.
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