Xs Carb Air/fuel Mixture

[mallone 1]

Due to me being an idiot when stripping down my carb recently, I have lost the original setting for the idle air mixture screw at the back of the carb.

 

Is there a baseline figure for it? i.e. screw it all the way in and then 4 turns out. Don't have the ability to get it on a gas analyser to set it up properly at the minute so a rough idea of where the screw needs to be would be much appreciated!

 

Cheers

[swordfish210 20]

Due to me being an idiot when stripping down my carb recently, I have lost the original setting for the idle air mixture screw at the back of the carb.

 

Is there a baseline figure for it? i.e. screw it all the way in and then 4 turns out. Don't have the ability to get it on a gas analyser to set it up properly at the minute so a rough idea of where the screw needs to be would be much appreciated!

 

Cheers

 

which screw are we talking about here? pics would be helpful

[josh1990 0]

the one back left on the base of the carb???

[mallone 1]

Apologies for a slow reply. Been incredibly busy.

 

Yeah its the screw on the bottom left at the back of the carb, apparently labelled the mixture adjustment screw in the Haynes manual. The carb itself is the Solex 32-34 Z2, fitted to the XS.

 

Would get pictures but camera is currently broken

 

Any help massively appreciated, want to get the poor thing singing sweetly again!

[macaroni 17 1 Cars]

Just take it to an MOT place, bung the guy a tenner and he will set up the idle mixture on his gas-o-meter. That's what I do to save any messing around.

 

The Haynes Carb manual suggests removing the mixture screw and checking it for extreme cleanliness, then re-inserting and screwing it right in until it seats GENTLY against the carb. Unscrewing it 3 turns should be a good starting point.