Fuel hose

R100 · Post by **R100** » Mon Aug 04, 2014 5:02 pm

David Silver spares have fuel hose.
What is the correct inside diameter for a CB77?
Petcock to carbs and crossover from right side to petcock?

garncarz · Post by **garncarz** » Fri Aug 15, 2014 10:01 am

8mm on the crossover, 6mm from the petcock to the carbs.

R100 · Post by **R100** » Fri Aug 15, 2014 10:28 am

garncarz wrote:8mm on the crossover, 6mm from the petcock to the carbs.

Thanks, but I don't understand the 8mm.
Now that I think of it, perhaps "crossover" was not the correct term. It is the right side feed to the petcock (CB77).
The 3 nipples on the petcock and the one on the right side of the tank measure barely 7mm. at their widest.
I was more wondering if D.S. Spares 5.5mm fuel line was necessary as opposed to 6mm available locally.

garncarz · Post by **garncarz** » Fri Aug 15, 2014 1:26 pm

Sorry, I read "CA77". My bad.

SMBH · Post by **SMBH** » Fri Aug 15, 2014 1:39 pm

CB77/72 petrol pipe ID 5MM according to Bill Silvers book and 5mm worked ok for me.

R100 · Post by **R100** » Fri Aug 15, 2014 4:15 pm

SMBH wrote:CB77/72 petrol pipe ID 5MM according to Bill Silvers book and 5mm worked ok for me.

Thanks.

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Fuel hose

Fuel hose