few things

firstly- pierburg carb, the screw under the rubber bung witch u take out on the air filter on top of the carb is this the fuel/air mixture screw, if i turn it all the way in will this weaken or richen the mixture? and any one no of the stock turns out for this.

secondly- iv found some wires witch are not conected to anything but look like its the standard wiring loom, 1 of them has a spade end witch is black and  yellow and black sory for large pics,

 
and the other is brown and another yellow d black but the ends has been cut. they are at the back of the engine bay as in where the clutch cable goes inot te pedal round the back of the carb.