SOHC.co.uk Forums > CB750

750 K2 Strip & Rebuild - help please

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Lobo:
Thanks Bryan/ Ken…. went the ‘line route, and as was about to give up due fear… it popped. Result!

Timed the Boyer Ignition today, and used #4 plug…. was amazed to see all 4 numbers hovering about the ADVANCE mark, ie 1/4 superimposed over 2/3. Scratched my head, only to read in the instructions…. “With this system all spark plugs spark at the same time, but only the cylinder under compression will fire”.

This means that my plugs will be firing 2x / revolution; twice as often as a 2 stroke! Anyways, does this directly translate into spark plug life being halved?

Cheers.

Lobo:
Servicing the fuel tap today, and was initially concerned how the feed tube slopes aft - thought I’d somehow bent it. (Never noticed this before!). This forced me to examine it a bit more closely, whereupon I noticed it was cracked over its full length. How on earth would that happen???

Anyways, as luck would have it I had brass tubing ‘in stock’ and got the old piece out (eventually) with side cutters at its base & levering. The replacement piece now happily in its new home…

Oddjob:
Someone’s got the polishing bug

Bryanj:
It splits when water collects and freezes, can happen to the ones in float bowls as well

Lobo:
Putting new brake pads in today, and asking why there are no spring washers stipulated for the main caliper bolts (#22)? If there’s a couple of bolts I don’t wanna come undone these two would be toward the top of the list…

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