SOHC.co.uk Forums > CB350/400

After market contact breakers

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Athame57:
I have fried my electronic ignition somehow, my CB400F2 has been in a workshop getting some electrical issues sorted that had been made worse by me trying to do it for myself lol. I've yet to check if I'm compatible with the system offered by DSS but I may consider reverting to contact breakers anyway. Given the whopping price difference between after market and Genuine Honda contact breakers I want to ask has anyone any experience to share about quality of DSS after market contact breakers?

allankelly1:
I have a Boyer system for my CB400F but before I converted got some aftermarket ones from webmoto and they did not fit correctly

So had to use the originals till I fitted the Boyer system

Best wishes Al


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TrickyMicky:
Some years ago I purchased a new pattern backplate already fitted with points, condensers etc. The slots in the backplate were not quite right meaning I couldn't get exactly the same timing for 1/4 and 2/3, had to be a compromise.  My first journey out with it finished with me returning home on the back of an RAC truck! Only firing on 1 and 4. Started engine with points cover removed and it looked like firework night. Returned item to DSS who did a swap for 2 sets of OE points without question, which I fitted to the original backplate which I had kept. Still running ok even now. That's been the only problem I've ever encountered with purchases from DSS, I think it's worth the extra to get OE if you can manage it. Restoring old vehicles has never been a cheap hobby, but it keeps our grey matter working. Hope this puts me in good stead, as I'm trying to resurrect a CL160! Stay Upright.

Nurse Julie:
OE without a doubt. All our Honda 4's are using original points still.

McCabe-Thiele (Ted):
On cars back in the 1960's when everything had CB points the aftermarket ones usually lost their gap within days of fitting due to wear on the heel - I don't believe it was that it was a softer material but that the plasticky heel was a rough cut end that wore quickly until the heel surface smoothed out to the contours of the lobes.

We used to set the points on Vauxhalls a few thou too wide on service knowing that they would bed in very quickly - the use of a Dwell angle meter was too accurate for this purpose. As I recall the thickness of a Fag Packet worked on the roadside as well as any feeler guage.

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