Black Lifan 125 4up SEMI Engine

Vital Information
Part No WHS-4190
Stock Level In Stock
Choose Options

Lifan 125 Semi - auto 4 speed engine.
See picture for parts included , only as pictured.
(kicker , shifter , engine with stator & Flywheel)
This is a very solid performing engine.
Great Replacement engine or for builds & Projects.

Front Drive Sprocket Included
(Takes Larger Shaft 20mm x 17mm Type) 



Displacement 124cc
Engine Type Air Cooled, Single-Cylinder, 2-valve, 4-stroke
Bore/Stroke 54mm x 54mm
Final Drive Chain
Fuel Delivery no
Fuel Unleaded / 91 Octane when available
Recommended Engine Oil 10W-40 Petroleum Based (Non-synthetic)
Kick Start Yes
Electric Start no
CDI Yes (not included)
Auxiliary Output Yes
Transmission 4-Speed Semi Auto
Shift-Pattern Four-Up Transmission: N-1-2-3-4
semi - auto (no hand clutch)

When upgrading your Honda XR50/70 ,CRF50/70 to this engine you
may want to use order aftermarket footpeg mounts and tank spacers.
Also we suggest using an aftermarket exhaust to obtain maximum performance.

All of these items are availble at

Available Options:

Air Filter:

Carb and Electrical:

Exhaust Gasket:



Since 2004, every purchase from TBolt USA includes access to technical support
from our staff of experts and our online Pit Bike Technical Info Database!
We have all necessary support parts on hand.
Most orders ship same, or next business day, unless otherwise noted above.


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