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Quote from: cbxman on June 18, 2022, 06:41:49 AMTed,1 and 4 on one coil. 2 and 3 on the other. (CB750). Almost certainly all the fours will be like this.JerryWell spotted Jerry, yes you're correct and I think for all the Japanese fours ever made which all do this.Ted, you'll not be the first as many others have done this over the years too including my local bike shop years ago. They asked me to look with them at a problem bike that they could not sort, they'd done exactly this, all round.
Ted,1 and 4 on one coil. 2 and 3 on the other. (CB750). Almost certainly all the fours will be like this.Jerry
It's not vital Ted but it's common to fit the coil for 1 & 4 on the left hand side of the bike and 2 & 3 on the right. You've clearly got them the other way round. TBH it's so common to do it that way that if you'd have said 2 and 4 weren't firing I would have suspected the leads on the wrong cylinders right off as I've seen that a few times, 1 and 3 not firing just didn't set off the warning bells for some reason and it really should have. It's no wonder you thought the engine was underpowered be careful when you get it right or you may be pulling wheelies
Thought the leads for these are resistance in the carbon lead and their favoured setup to go with the complete system. It may be wise to get new std spec (for dyna) leads to install to their technical specification. It can impact the load on switching transistor (and looks to me one scource of unreliability in some of these electronic system) as debate about them often doesn't include that nuance.
NGK, I suppose, would be the correct ones - DSS seem to be as good a value as anyone else. I think they were out of out of stock of the 2 & 3 red ones last week but that may have changed.Matt
Yes finally 4 hot down pipes - running on all four cylinders, Yes all 4 cylinders - I have a massive grin on my Mush even though I can't ride the bike today due to C2H5(OH) intake.I will need to trim down the HT leads as I have left them slightly on the long side for the first fit!Can't wait to try the bike on a run to Ashbourne probably tomorrow. YES, YES, YES, YES. that's four yes's for four cylinders!To be on the safe side I plan an oil change asap in case of sump dilution as a result of 115 miles on 2 cylinders.Moped power to 400/4 now the HT leads fitted in the right order.