| MODEL | YAMAHA RX 350 SPORT 1970 - 1972 |
| Year | 1970 - 1972 |
| Engine Type | Two-stroke, parallel twin |
| Displacement / Capacity | 348 cc |
| Bore X Stroke | 64 x 54 mm |
| Compression Ratio | 6.9:1 |
| Cooling System | Air cooled |
| Max Power | 26.8 kW / 36 hp @ 7000 rpm |
| Max Torque | 3.87 kgf-m @ 7000 rpm |
| Ignition | Magneto |
| Induction | — |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 5 speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Telescopic forks |
| Rear Suspension | Dual shocks |
| Front Brakes | Drum |
| Rear Brakes | Drum |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | — |
| Wet Weight | 141 kg / 311 lb |
| WHEEL SPECS | |
| Front Tyre | 3.00-18 |
| Rear Tyre | 3.50-18 |
| FUEL SYSTEM | |
| Fuel Capacity | — |
| Fuel Consumption | — |
| Top Speed | — |
An air-cooled 348 cc two-stroke parallel twin with a five-speed box and drum brakes, the RX 350 Sport was a sporting road bike from the early 1970s, the lineage that led to the RD350. Dated drum brakes front and rear reflect its era.
