Yamaha TZ250 Grand Prix Racer - Rebuild time lapse

Riksfjord Racing - The Yamaha TZ 250 T is a full factory racing bike used in GP year 1987. Aluminum deltabox frame with monoshock suspension. Parallel twin, two stroke 35mm flat slide Mikuni rejetted carburators, rearward facing. Reed valves with 6 petals. Electrically driven power valves. Exhaust leaving through the front of the cylinder bank. Assembly is done after a total overhaul. Replaced bearings, crankshaft, clutch and piston. Made with sound of Yamaha classic racing. Motorcycle build.(Sou