Honda-SOHC

SOHC.co.uk Forums => CB500/550 => Topic started by: mart on June 14, 2026, 07:28:56 PM

Title: CB550 1977 carbs ?
Post by: mart on June 14, 2026, 07:28:56 PM

 Would any one no the correct needle clip position for the CB550 1977 carburettors  they are stamped 069A  .

Title: Re: CB550 1977 carbs ?
Post by: Johnwebley on June 14, 2026, 07:35:50 PM

The normal clip setting is in the middle

I assume the bike hasn't been run for a while

I suggest you check all the basic details

Tappets
Plugs
Points and timings

Condition of the air filter

They are time consuming, but gives a good starting point



Sent from my SM-A546E using Tapatalk

Title: Re: CB550 1977 carbs ?
Post by: Bryanj on June 14, 2026, 07:53:12 PM

Middle position assuming all original brassware

Title: Re: CB550 1977 carbs ?
Post by: DomP on June 14, 2026, 10:03:13 PM

069a are fitted to F models so are one clip from top of needle

Title: Re: CB550 1977 carbs ?
Post by: deltarider on June 15, 2026, 08:04:44 AM

Check this. Second from top, NOT tip!

Title: Re: CB550 1977 carbs ?
Post by: Sesman on June 15, 2026, 02:22:50 PM

This is correct. Mine are set at position 2 and work just fine.

Title: Re: CB550 1977 carbs ?
Post by: DomP on June 15, 2026, 08:16:38 PM

Ive actually moved mine to the top (last position) in an attempt to solve the rich running i have