SOHC.co.uk Forums > CB500/550
Trouble with bike
ozzybud:
How many miles are on this bike?
It could be shot clutch basket rubbers . That makes a terrible racket especially if the bike is not running well or tuned properly.
beardylondon:
Carbs were stripped and cleaned and bike fully set up by a specialist 2.5 years ago, but not many miles since.
Total mileage approx 20k, but it’s an import, so who knows!
--- Quote from: ozzybud on March 04, 2025, 07:52:15 PM ---How many miles are on this bike?
It could be shot clutch basket rubbers . That makes a terrible racket especially if the bike is not running well or tuned properly.
--- End quote ---
taysidedragon:
--- Quote from: beardylondon on March 04, 2025, 08:04:48 PM ---Carbs were stripped and cleaned and bike fully set up by a specialist 2.5 years ago, but not many miles since.
Total mileage approx 20k, but it’s an import, so who knows!
--- Quote from: ozzybud on March 04, 2025, 07:52:15 PM ---How many miles are on this bike?
It could be shot clutch basket rubbers . That makes a terrible racket especially if the bike is not running well or tuned properly.
--- End quote ---
--- End quote ---
Carbs will gum up in one winter without use. 2 and a half years will have caused a lot of problems in the carbs.
Clean the carbs now, the earlier work has been undone through lack of use.
beardylondon:
So it continues, looks like it’s running on 2.
Pipe temperatures as follows, from the left hand side looking down, when sitting on the bike, no.1 @ 154 degrees, no.2 @ 50 degrees, no.3@ 152 degrees and no.4 84 degrees.
Answers on a postcard.
Johnwebley:
Seems like the slow running circuit in the 2 cold cylinders are not working
In normal settings, no 1-4,and 2-4 are paired with same coils and c/bs
So it seems to rule out electrics
Does fuel come out of all 4 carbs when the drain screws are removed?
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