SOHC.co.uk Forums > CB750
Aftermarket Coils
AshimotoK0:
--- Quote from: philward on March 25, 2020, 09:42:48 PM ---All very interesting - I've emailed M&P for a relacement. Will be careful in short term and recon a std set as per James method before I sell the bike
--- End quote ---
You could also try the Ashimoto method too Phil. ;D
Johnwebley:
not having the skill to do the Ashimoto fix,and running Boyer ignition ,after my original packed up because of old age and cracked hard HT leads,I bought Silvers coils,they got hot and failed after about 12 months,
so I spent a little extra,and purchased Boyer compantable coils .
now several years later,still working great
philward:
--- Quote from: AshimotoK0 on March 26, 2020, 01:20:10 PM ---
--- Quote from: philward on March 25, 2020, 09:42:48 PM ---All very interesting - I've emailed M&P for a relacement. Will be careful in short term and recon a std set as per James method before I sell the bike
--- End quote ---
You could also try the Ashimoto method too Phil. ;D
--- End quote ---
I will be going that route Ash - I run the same coils on my std K2 and checked the resistence when I fitted them and they were 3 - 4 ohms.
philward:
I am currently waiting for mterial to refurb original coils using Ash's method but in the meantime using the time to move the K6 Cafe Racer project on while I have the extra spare time. I am going to get it started hopefully as I only have paint and upholstry to complete bike. (when original coils refurbed, I will change the coils to the originals).
I got the replacement coil from M&P but in the time since I bought the coils, they've changed coil supplier and the new supplied coil is adifferent make to the original (and different physical size too). The wires are different colours and I dont trust either coils male/female connectors (ie, whether they connect to the correct coil polarity by merely plugging in male to femal to corrosponding harness connectors.
So, does does it matter which way around the wires are connected on coil and if so, how can I ascertain which wire on coil connects to the points?
Thanks in anticipation
Bryanj:
Dont matter with the twin ht coils
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