Honda-SOHC

SOHC.co.uk Forums => CB500/550 => Topic started by: peterengland on June 24, 2019, 12:04:07 PM

Title: PD46A slight leak
Post by: peterengland on June 24, 2019, 12:04:07 PM
All carb problems are thankfully behind me now as it's running sweetly now. The only thing wrong is an occasional drip from the air screw on no 2 carb, there is no o ring seal, and as far as I can see, nowhere for one to fit, is it possible for petrol to leak past the threads?
Title: Re: PD46A slight leak
Post by: Bryanj on June 24, 2019, 01:44:26 PM
There should be a tiny O ring along with the washer and spring, unfortunately Honda do not supply it seperate but only with the screw "kit" I did once chase down a size that fitted but that was a long time ago and i cant remember the size sorry.
Title: Re: PD46A slight leak
Post by: peterengland on June 24, 2019, 06:56:06 PM
No washer, no spring and no o ring, but none of my other carbs have them but they are, and have always been fine...
Title: Re: PD46A slight leak
Post by: peterengland on April 26, 2020, 05:03:44 PM
Have now resolved slight leak on No 2 carb mixture screw. Just cut the smallest bit of PTFE tape and wrapped it round the threads, now no leak at all and all running fine!
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