| MODEL | YAMAHA RD 350 1973 |
| Year | 1973 |
| Engine Type | Two stroke, parallel twin, reed valves |
| Displacement / Capacity | 347 cc / 21.1 cu in |
| Bore X Stroke | 64 x 54 mm |
| Compression Ratio | 6.6:1 |
| Cooling System | Air cooled |
| Max Power | 28.5 kW / 39 hp @ 7500 rpm |
| Max Torque | 32.6 Nm / 24.1 lb-ft @ 7000 rpm |
| Ignition | Battery, dual coils, breaker points |
| Induction | 2 x Mikuni VM28 SC carburettors |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | Autolube |
| Gear Box | 6 speed |
| Clutch | Wet multi-plate |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Tubular, double cradle |
| Front Suspension | Telescopic forks |
| Rear Suspension | Dual shocks |
| Front Brakes | Single 267 mm disc, 2 piston caliper |
| Rear Brakes | 178 mm drum |
| DIMENSION SPECS | |
| Overall Length | 2057.4 mm / 81.0 in |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 800 mm / 31.5 in |
| Wheelbase | 1320.8 mm / 52.0 in |
| Ground Clearance | 162.5 mm / 6.4 in |
| Dry Weight | — |
| Wet Weight | 155 kg / 342 lbs |
| WHEEL SPECS | |
| Front Tyre | 3.00-18 |
| Rear Tyre | 3.25-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 15.9 Litres / 4.2 US gal |
| Fuel Consumption | 32.9 mpg |
| Top Speed | 164 km/h / 102 mph |
The first RD350, an air-cooled 347 cc two-stroke twin with reed-valve induction, Autolube oil injection, a six-speed gearbox and a front disc brake. Developed from Yamaha's race twins, it was famous for beating much bigger machines and earned the nickname Giant Killer.
