This is one of the most responsive 140cc highly tuned race engines, with a Z40 race camshaft, estimated 14+ HP

It includes:

-YX/GPX 140cc engine
-Carb Manifold & Gasket set
-Spark plug
-Kick starter
-Gear shifter

Specs:

-140cc Air Cooled 4 Stroke
-56mm stroke
-57mm bore
-Compression Ratio: 9.2:1
-Estimated 14+ HP

Add-ons (Please email us for discount price parts that you want to add on with the engine purchase)

– FMX125 140 140R 140BF Wire loom 2008 – 2025
– CDI Unit
– Performance Ignition Coil
– Standard Stop Switch Assy
– FMX 140 140R Clutch Cable 2012 – NOW

– MOTUL 3100 4T Gold 10W40 1L

Suitable for: most CRF50 type pit bikes / mini MotoX, like MotoX, Reaper, Pitpro, DHZ, Stomps, Thumpstar brands, and other Chinese brand pit bikes

30 Days Return to Base Warranty. Please click Engine Warranty for further details.

FBLCN: RF – B3