Black Douglas Sport Sapphire: history, specs, pictures
| Black Douglas Sport Sapphire | |
| Manufacturer | |
|---|---|
| Production | 2018 |
| Engine | single cylinder, four-stroke |
| Bore / Stroke | 57.0mm x 49.0mm |
| Top Speed | 62 mph (100 km/h) |
| Horsepower | 12.47 HP (9.3 KW) @ 7500RPM |
| Torque | 11.06 ft/lbs (15.0 Nm) @ 5500RPM |
| Fuel System | carburetor |
| Ignition | cdi |
| Transmission | Gear box: 5-speed Final Drive: chain |
| Suspension | Front: handmade forks, 7075 aluminum |
| Brakes | Front: expanding brake (drum brake) Rear: expanding brake (drum brake) |
| Front Tire | 90/90-21 |
| Rear Tire | 90/90-21 |
| Wheelbase | 59.06 inches (1500 mm) |
| Length | 85.83 inches (2180 mm) |
| Width | 24.41 inches (620 mm) |
| Height | 37.8 inches (960 mm) |
| Seat Height | 32.68 inches (830 mm) |
| Weight | 209.44 pounds (95.0 Kg) (dry), |
| Fuel Capacity | 2.38 Gallon (9.00 Liters) |
| Fuel Consumption | 2.86 liters/100 km (35.0 km/l or 82.25 mpg) |
| Manuals | Service Manual |
The Black Douglas Sport Sapphire was a single cylinder, four-stroke standard produced by Black Douglas in 2018. It could reach a top speed of 62 mph (100 km/h). Max torque was 11.06 ft/lbs (15.0 Nm) @ 5500 RPM. Claimed horsepower was 12.47 HP (9.3 KW) @ 7500 RPM.
Engine[edit | edit source]
The engine was a air cooled single cylinder, four-stroke. A 57.0mm bore x 49.0mm stroke result in a displacement of just 125.0 cubic centimeters. Fuel was supplied via a overhead cams (ohc).
Drive[edit | edit source]
The bike has a 5-speed transmission.
Chassis[edit | edit source]
It came with a 90/90-21 front tire and a 90/90-21 rear tire. Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear. The Sport Sapphire was fitted with a 2.38 Gallon (9.00 Liters) fuel tank. The bike weighed just 209.44 pounds (95.0 Kg). The wheelbase was 59.06 inches (1500 mm) long.