This 125cc Semi-Auto Engine has reverse gear suitable for ATV UTV 4 Wheelers
Speed complete racing engine, 3 forward 1 reverse gear
Upgrade your stock 50cc to this 125cc monster, you can feel the power difference immediately
See below description for more specifications and wiring
Product Description
Specifications:
Displacement: 125cc
Type: Horizontal, single-cylinder, 4-stroke, air-cooled
Compression ratio: 9.0: 1Front sprocket
420 – 17mm – 14T
Transmission: 4-speed 3 forward 1 reverse gear
Bore x Stroke: 2.06″ x 2.19″(52.4mm x 55.5mm)
Top Engine Mount : 92mm
Bottom Engine Mount: 82mm
Bolt to Bolt :152mm (6″)
Rated Power & Rotating Speed: 5.8 kw/7500r/min 375 r/min
Max. Torque & Rotating Speed: 8.5 N.m/5000r/min 250 r/min
Idle speed 1500 r/min 100r/min
Ignition: CDI
Wiring:
1. Five wires (Plug): For gear indicator
2. Yellow wire: For storage battery
3. Pink (or Yellow) wire: For storage battery
4. Black & Red wire: For signal trigger
5. Green wire: For grounding
6. Blue & White: For trigger coil
