the supplier Larry mentions is Jose Franssen – i have used them and they’re fine –
other suppliers i have also used satisfactorily are:
Renel : http://www.renelauto.fr/
CTA (NL) : http://www.ctaservice.nl/
Depanoto: http://www.depanoto-boutique.com/
Chris T does a great job in the club spares shop with huge knowledge of what fits what and what the suppliers are like – the club spares list is here:
http://traction-owners.co.uk/uploads/spares/pricelist.pdf
There’s a 15% discount off list for members who have paid the levy which lists the silencer as follows –
“G 1 71111L 321121/B8114.x Exhaust silencer & tailpie £94.08 Mild steel. All 4cy models”
there is also CTA in Sweden: http://www.ctaservice.se/ who ihear good things about but have never used and one or two other suppliers.
Not sure about the Paris – Moscow thing – there is a group called Tractions San Frontieres who do ling distance rallies allover the world in Tractions and did a Paris Moscow rally – but I thought it was later than ’86. I’ll see what i can find.
Chris