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Author Topic: 550 k3 carbs  (Read 3935 times)

Offline mickwinf

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550 k3 carbs
« on: April 03, 2011, 10:24:04 PM »
nearly done now, carb to air box rubbers are a bit tricky!! i notice there are 2 different lengths longer ones to the outer ends?? mine dont seem to line up, any tips anyone? also need advice on carb setting and synchronization. i have ordered a set of vaccum gauges.
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Love the 500 and 550 have a 500 called Lazarus under restoration

Offline anparkinson

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Re: 550 k3 carbs
« Reply #1 on: May 13, 2011, 05:51:22 PM »
Yes, the longer ones are at the ends and they line up if you have them rotated right.

I set my K3 carbs with a feeler gauge using No 2 as the reference so they were all open exactly the same to within a thou. A few weeks later I borrowed a friend's vacuum gauges and they were all perfect with no adjustment needed.
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1978 CB550K3 rescued from damp garage where it sat for 10 years.

Offline mickwinf

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Re: 550 k3 carbs
« Reply #2 on: May 13, 2011, 08:53:49 PM »
thanks for advice,how do you adjust them, do you take off the carb tops? and what about the mixture screws!,regards, Mick
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Love the 500 and 550 have a 500 called Lazarus under restoration

Offline anparkinson

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Re: 550 k3 carbs
« Reply #3 on: May 14, 2011, 10:23:05 AM »
You have to do it with the carbs off. If I remember rightly you take the tops of the carbs off (2 screws) and then that lets you adjust 1, 3 & 4 to match No2. It's was a few years ago so I can't remember exact details but I remember it wasn't tricky.
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1978 CB550K3 rescued from damp garage where it sat for 10 years.
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