SOHC.co.uk Forums > CB750
miss at 3.8K
Bryanj:
They are until I come round the corner with an artic full of 96,000 glass bottles going to UBL at ledbury!!!
Bitsa (Ralph Wright - RIP):
Have my doubts on that but I do hope its cured Billy's bike.I hope Mick gives it a go you never know.I still think its down to modern shit fuels bring back good old leaded.If its not raining tommorrow I will take mine off and see if there is any difference.
Cheers
Bitsa
K2-K6:
If yours are clear Bitsa, it should make no difference to the running I guess. Billy's seemed to have the problem and then with just the tubes removed but exactly the same fuel supply it appears to be ok, guess we'll have to wait for his final verdict on that to see what he gets.
I know what you mean about the fuel though Bitsa, I've got quite a few small motors and the fuel left in the carbs deteriorates quite quikly and seems to go "crusty" in small jets if left. Doesn't seem to happen on motors using pre-mixed two stroke fuel though, somehow it seems more stable with oil in it.
billy192:
Well did a bit of trouble shooting. connected up #3 and #4 overflows and after about 6 miles started to miss. put my hand down an disconnected #4 (only one i could reach) went smooth all through 4-5-6 K connected it back in a lay buy miss at around 4K. so now i have all but #4 overflows connected with no missing. i did a plug chop at just over 4K and this was the result.
number 1 looking in my humble opinion as OK
number 4 looking rich again in my opinion a bit rich but not much.
this coupled with the fact that i am unable to connect the overflow on #4 suggests something is not right with this carb.
Billy
Bryanj:
Billy there is a vent to atmosphere at the top have you checked this/these?
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