SOHC.co.uk Forums > CB750
First impressions
davefirestorm:
Float bowls on my F has clip on bowls,on investigation I’ve found the petrol tank seems to have been messed around with regarding where the fuel tap screws on the base.There is a right hand threaded boss with a nut right hand thread one end and left hand thread the other end and the tap is left hand thread think they’re 18mm threads [ Guests cannot view attachments ]
Spitfire:
I swopped the petrol; tank on my 76 F1 for an F2 tank, the taps are different sizes, the F1 tap is on the left, F2 on the right.
Also if the tank has been corroded watch out for the filters that are just under the float vale in the carb as mine were plugged up, see below.
Cheers
Dennis
davefirestorm:
Tap is on left on both tanks I have.The tap in use at moment has the left hand male thread on it but the male thread on the tank is right hand threaded,anybody confirm this is correct/incorrect.Seem to have cured my fuel leak by stripping/cleaning the tap and putting correct size hose on the previous owner had fitted hose too large inner diameter and fuel leaked from joints,hopefully the leak from overflows has gone after a good longish run.
hairygit:
If the tap is an F1 item, that is correct. The theory being the top half of the nut is right hand thread, the bottom half that attaches to the tap is left hand thread, that way the tap contacts the tank join far faster.
Sent from my X6pro using Tapatalk
davefirestorm:
Thanks for that.Won’t be bunging an F1 tap on the “new†tank then as it has a righ5 hand 16 mm thread on it,new Superdream one it will be then.
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