Peugeot DR 70cc Big Bore Cylinder Kit Cylinder Kit 0866 Peugeot Engines AC Wheel Accessories then you will require the

then you will require the Beedspeed conversion light switch ( or a DC Rally Light Switch ) and a DC type brake light switch

just by replacing the stock cylinder with the DR177

SPEEDAKE 95/97

NRG RST MC2 96/98

Silverwing 4T 600cc

Peugeot DR 70cc Big Bore Cylinder Kit Cylinder Kit 0866 Peugeot Engines AC Wheel Accessories then you will require theTop Performance DR Big Bore Cylinder Kit Air Cooled Minachrom With added Chrome to the Cylinder for Extra Strength 5 Transfer Ports 67. 8cc. Bore 47mm Includes: Cylinder, Cylinder Head, Piston Kit, Gaskets Fits: Peugeot Air Cooled 50cc Models: Peugeot: Buxy, Elyseo, Speedake, Speedfight, Trekker, Vivacity 50, Zenith. The Speedfight Silver Sport 50cc 2004+ and similar models have a small restrictive lug a few mm high cast into the crankcase cylinder