Saving Old Seagulls

The seal between the carb and the block seems very good and there are no apparent airleaks round the knurled disc that holds the throttle slide in etc.

'Air intake compensator' ??? You got me on that one - if you mean the piece that looks like a big washer in the outermost end of the shallow air ...

I am using Quicksilver TCW3 outboard oil - purely because I have loads of it lying about (I use it in my miniature gas turbines).

I am going to try richening the mixture to a point where its OK at full throttle then see what its like at tickover but I am guessing it will be too rich to run at ...

No problem and many thanks for your help.

The needle is a No.3 - would that cause the mixture to be OK at low revs but way too lean at the top end??
Cant seem to find much info on carb needles for the Villiers.
I am running on 10 - 1 at the moment.

Thanks in advance.

Thanks very much - the screw I was referring to was the one in the top of the piston - I have unscrewed it 1/2 turn and its very much better but it is now proud of the top of the piston.

I am going to check the jet isnt varnished up before trying another half turn out.

Many thanks to all for your ...

Thanks for that.
I can rule out all of those except adjust the mixture and weak spring on points - havent checked the points spring but feel its a carb issue. If I pat the intake (remembered from my Kart racing days) it runs fine.

How do I adjust the mixture???

There is a screw on top of the carb ...

I have returned to the Seagull flock after a brief affair with a H*nd* !!
I have bought a Forty plus in very good condition and it runs a treat up to about 2/3 throttle - beyond that it just dies like its too lean. Is that normal?? Its not that I want to run it at full bore but the point is that it ...

I have returned to the Seagull flock after a brief affair with a H*nd* !!
I have bought a Forty plus in very good condition and it runs a treat up to about 2/3 throttle - beyond that it just dies like its too lean. Is that normal?? Its not that I want to run it at full bore but the point is that it ...