ZARKO Lifan 150cc Racing Engine Motor Kit with Oil Cooler, Manual Clutch Kick Start, 4-Stroke Horizontal Engine for Pit Dirt Bike CT70 CT90 CT110 Monkey SSR XR50 CRF50 Upgrade Replacement
Complete Performance Upgrade Kit: Includes engine, shift lever, kick lever, oil cooler, and manifold for simplified installation and improved power delivery on mini trail bikes and pitbike platforms.
Powerful Manual Clutch Control: Four-speed gearbox with manual clutch provides strong launch acceleration and precise shifting for road, trail, or race conditions.
Oil-Cooled Construction: Dedicated oil cooler reduces heat buildup under sustained RPM, improving reliability and extending engine service life.
Direct Fitment for Honda-Clone Frames: Standard 6.06 inch (154 mm) mounting bolt spacing fits CT70, CT110, Monkey, CRF50 and similar chassis without major frame modifications.
Durable 4-Stroke Architecture: Lower vibration, reduced noise, and improved fuel economy compared to 2-stroke engines, suitable for daily riding and recreational use.