SOHC.co.uk Forums > CB350/400
Leaky carbs
andut:
Andy,. Give the valve and seat a good clean and polish. I use a cotton bud and a bit of Solvol to get the seat clean.
Andy
taysidedragon:
You can check the brass overflow tubes before fitting bowls onto carbs.
Half fill the bowl over a catchtray or bowl. If the tube leaks it will drip. Sometimes it can creep between the tube and the alloy bowl.
Oggers:
Another vote for floats not floating for me. I had a GS550 whose floats did not rise to the occassion and it spewed forth from the drains every time it came to a standstill. Personally I would check them out and fix/replace if required.
Nurse Julie:
I would start with float needle and seat and then put all floats in a bowl of water and make sure firstly they all float and secondly they all float at the same level.
billywingnut:
When I did my restoration I decided to buy new service kits, I also checked each float bowl before re assembly for leaks as mentioned earlier. It has leaked on only one occasion after being stored for a while, a gentle tap stopped it and it hasn't happened since in over a year.
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