Photo of my trike, it's a Suzuki GS850GN imported from California.
Frame is a one-off made of 32mm tube, front end is Suzuki GSX1100EFE, back axle if from a Reliant Rialto.
Harley pattern tanks, Arlen Ness fuel tap (Hi Flow).
Tacho is mounted on the side of the fuel tank and is a Kawasaki unit...