Zero SR ZF12.5: history, specs, pictures
The Zero SR ZF12.5 was a Z-Force 75-7R passively air-cooled, high efficiency, radial flux, permanent high-temp magnet, brushless motor Supermotard motorcycle produced by Zero in 2015. Claimed horsepower was 67.05 HP (50.0 KW) @ 4000 RPM.
| Manufacturer | Zero |
|---|---|
| Production | 2015 |
| Class | Supermotard |
| Engine | Z-Force 75-7R passively air-cooled, high efficiency, radial flux, permanent high-temp magnet, brushless motor |
| Horse Power | 67.05 HP (50.0 KW) @ 4000RPM |
| Transmission | Gear box: Direct drive Final Drive: Belt |
| Suspension | Front: Showa 41 mm inverted cartridge forks Rear: Showa 40 mm piston, piggy-back reservoir shock with adjustable spring preload |
| Brakes | Front: Double discs 320mm Rear: Single disc 240mm |
| Front Tire | 110/70-17 |
| Rear Tire | 140/70-17 |
| Wheelbase | 55.51 inches (1410 mm) |
| Seat height | 31.81 inches (808 mm) |
| Weight | (dry), 164.0 kg (wet) |
| Manuals | Service Manual |
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Drive
The bike has a Direct drive transmission. Power was moderated via the Clutchless.
Chassis
It came with a 110/70-17 front tire and a 140/70-17 rear tire. Stopping was achieved via Double discs 320mm in the front and a Single disc 240mm in the rear. The front suspension was a Showa 41 mm inverted cartridge forks while the rear was equipped with a Showa 40 mm piston, piggy-back reservoir shock with adjustable spring preload. The wheelbase was 55.51 inches (1410 mm) long.
2015 Zero SR ZF12.5
The Zero SR features a larger 660 amp motor controller that provides 25% more power and 56% more torque. To accommodate the increased power, the Zero SR motor uses higher temperature magnets to ensure better performance during extended durations at higher speeds.