SOHC.co.uk Forums > CB750
miss at 3.8K
billy192:
Bryanj do you know where the vent is?
Billy
Bitsa (Ralph Wright - RIP):
Billy
I think Bryan means the vents between carbs 2 and 3 they should have short pipes attached which hang over the airbox.Have you checked the overflow tube is not blocked on the carb you think has problems?If the carb is over filling and this tube is blocked the extra fuel has got to go somewhere.It can flood into the airbox or get sucked in by the engine and probably cause miss fire and rich.Maybe worth a look.
Cheers
Bitsa
billy192:
when i had-my carbs back from the guy that cleaned and rebuilt them there was a tube joining #3 and #2 sealing them should these vet out to the air box?
Billy
RGP750:
http://www.cmsnl.com/honda-cb750k6-four-general-export-dkdm_model14382/partslist/E19.html#results
Hi Billy the two pipes, see link numbered 31 should be over the top of the air box ,not joined together.
Rich
billy192:
fantastic news, well to me it is. fond the vents and as i described there was a clear pipe joining them (making it air tight)
removed the pipe and connected up the 4 over flows and bingo great acceleration all the way to 90ish
just went to Swindon and back its like a different bike it idles smoothly also.
billy, happy chappy
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