Specifications
| Specification | Value |
|---|
| Brand | Yamaha |
| Model | Yd 1 |
| Year | 1957 |
| Image | https://cdn.motorcycles-specs.com/yamaha-yd-1-1957.jpg |
| Specification | Value |
|---|
| Year | 1957 |
| Bore x Stroke | 54 x 54 mm |
| Capacity | 247 cc / 15.0 cu-in |
| Cooling System | Air-cooled |
| Engine | Two stroke, piston-port, parallel twin |
| Final Drive | Chain |
| Front Brakes | Drum |
| Front Suspension | Telescopic forks |
| Front Tyre | 2.50 -16 |
| Induction | Single carburetor |
| Max Power | 14.5 hp @ 6000 rpm |
| Max Torque | 4.1 kg-m @ 5000 rpm |
| Rear Brakes | Drum |
| Rear Suspension | Swing arm |
| Rear Tyre | 2.50 -16 |
| Starting | Kick |
| Transmission | 5 Speed |
| Wet Weight | 138 kg / 309 lbs |
