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- Automotive /
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- Parts /
- Engine /
- Rebuild Kits
Product Description

125cc 4 Stroke Engine Semi Auto Engine Motor Go Kart Parts
Fits (For reference)
- Atomik, Pitpro, TDR, Hummer, Orion, Xmoto, Lei,Dmx, Swd, Tommahawk, Monsoon, Grudge, Kazuma, Bull, Trooper, Hunter, Motox, Trojan, Blitz, Crusade, Link, Bigfoot, Kuda, Motorworks, Nitrous, Reign, ddr, Fury, Prox, Raider, Zongshen, Chongqing, Loncin, Ducar, Lifan, Gy6, Thumpster, Thumbstar, Go kart, Quad, Dirt bike, ATV, Pit bike, Dirt bike, Buggy, Pocket rocket.
Included
- Wiring
- Carby+Airfilter
- Chain case
- Gasket as you see in the picture
Bore x Stroke
- 52.4 × 55.5 mm, 119.7 mL
Top Engine Mount
- 92mm
Bottom Engine Mount
- 82mm
Bolt to Bolt
- 152mm (6")
Idle speed
- 1500 r/min±100r/min
Specifications
Engine Type | Semi-Auto |
Placement on Vehicle | Right |
Gear | 3 Speed + 1 reverse |
Engine Size | 125CC |
Ignition | CDI |
Gear System | 3 Forward; Neutral; Reverse |
Type | Horizontal, single-cylinder, 4-stroke, air-cooled |
Front sprocket | 428-14T |
Air Filter | 35mm |
Carburetor | PZ19 |
Starter | Electrical Start |
Lubrication | Pressure/splash |
Oil capacity | 900ml |
Compression ratio | 9.0: 1 |
Maximum net power/ rpm | 5.8 kw/ 7500r/ min±375 r/ min |
Maximum torque/ rpm | 8.5 N.m/5000r/min±250 r/min |
Wiring Instructions

Wiring
- Five wires (Plug): For gear indicator
- Yellow wire: For storage battery
- Pink (or Yellow) wire: For storage battery
- Black & Red wire: For signal trigger
- Green wire: For grounding
- Blue & White: For trigger coil
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