SOHC.co.uk Forums > CB750

Candy Ruby Red k1

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UK Pete:
Hi Chris, thanks for that, i took carbs off checked float heights, blew through each carb with air line then reasembled and balanced them , just been out on it today and its the same apart from no leaking petrol,and it ticks over a bit more even, so it has to be the filter i cant think of anything else it could be, there were a few small bits in the float bowls so i recon dirt under the needle valve was the cause of the leaky petrol
BTW what a beatifull sound these bike make , everywhere i go people hear it coming and just look, i am so glad i have got the bug for the 750 sohc cam as they are so much fun to build and ride, my F2 is coming on real good now, i should have enine rebuilt soon and back in frame , i will post some more progress pictures soon, when i have done that i am building a cafe racer sohc, so i will have 3 of them,
Pete

Seamus:
Hi Pete, My K1 tends to run rich and I was thinking of dropping the jets to 115 (recommended by Hondaman on the US site). Everything else in the carbs is standard.

Just a thought, I have a K and N filter and wondered if it was a bit more restrictive than the OEM one. (would.nt have expected that though

UK Pete:
My running rich problem has now been solved, i put on a new K&N filter, went for a ride checked the plugs and it was a bit better but still running a bit rich and having a flat spot between 2 & 3000 revs, so i adjusted the mixture screws in wards by half a turn, this made it worse so i re set them but outwards this time by one and a half a turns, woohooooool it runs much better now, nice tan colour on the plugs after a good run, and the flat spot has almost dissapeared, so i went off thundering around the lanes, what a pleasure to ride now all i have to do is the cush drive rubbers and the very stiff throttle, man does my wrist hurt, these bikes were either build when men were men, and a nice easy throttle action was for wimps, or there is something wrong with mine, all i can say is i will have one arm like popeye the sailor man if i dont fix this soon.
Pete

Bryanj:
Sorry mate they were built when men were men!!!

BE CAREFULL

Original Honda cables had Nylon lined outers with a rubberish covered inner and MUST NOT be oiled or the innards swell up and stick. Aftermarket tend not to have the liners and need oiling

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