What carb should be on my 74 swallowtail?

Just got hold of an old Swedish swallow tail. 

I believe it's the 1093cc engine, currently running a solex 34 pict-5. Is that the correct carb it would have come with from the factory? 

My head is saying no… only reason I was sniffing around it is the car ticks over high when started but doesn't seem to settle down even when it's warming up.. unless I fiddle with the fast idle adjustment by hand. 

I was gonna rebuild or replace with new?

Any advice?

August 1974 -December  1974 engines up to FA090907 used 34PICT-5, engine FA173708 .From May 1975 used 31PICT-5

34PICT-5 spec: (Yours)
Ventur1 24.5mm
Main jet X120
Air jet 145Z
Idling jet 9 50
Idling Air jet 90
Aux fuel jet 35
Aux Air jet 160
Power fuel without ball 70 left
Float needle dia 1.,5mm
Needle valve washer 0.5mm
Fast idle 2600
CHOKE VALVE GAP 3mm
Idling speed 950
Co2 5 1.0-2.0
Hope this helps.
Marcus.
 

Brilliant info buddy thanks for that!