SOHC.co.uk Forums > CB750
My '71 CB750K1 is quite slow...
Spitfire:
Glad to hear that it worked, nice when a plan comes together relatively cheaply.
Cheers
Dennis
McCabe-Thiele (Ted):
--- Quote from: PaulS on September 02, 2021, 07:36:44 PM ---"WoooooHoooo!!!" :) :) :)
Just tried the bike after installing the (non-resistor) Nippon Denso plugs recommended by Nurse Julie and....
- the bike started first time AND on all 4-cylinders (that's a first!) - I tried it a few times just in case it was a fluke - and
- it rides with the free flowing urgency I was hoping for.
So far I have only taken it on a 20 mile test ride, but all is well. The spark plugs are showing a tiny bit of soot but I'll give the bike a much longer run before making any fine tweaks to the carburation.
Looks like 7 years of miserable performance has been cured by 4 spark plugs.
Thanks each!
--- End quote ---
Yes it's easy to forget what a difference a change of plugs can make a few year back we had our SL serviced at the main dealer where I worked part time as I drove it away I thought to myself this seems slow and restrained. I took it staight back - they found the old plugs & the parts department had given them the wrong ones - same reach but different plug.
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