Lifan 150cc 4-Stroke Racing Engine Motor Kit Manual Clutch Kick Start Single Cylinder for Pit Dirt Bike CRF50 CRF70 XR50 XR70 Z50 SSR 110 Apollo RFZ 125 CT70 CT90 Replace YX140 160cc 200cc

Upgrade your dirt bike or mini trail bike with this Lifan 150cc 4-stroke manual clutch engine. Designed for durability and high performance, it delivers 9KW of power at 7500 RPM and 11 N·m torque at 5000 RPM, ensuring strong acceleration and smooth off-road handling.This kit comes with everything needed for installation: kick starter lever, gear shift lever, manifold set, and CDI, making it perfect for DIY bike builders or as a replacement engine. Its compact size and lightweight construction make it suitable for a wide range of pit bikes and mini ATVs.Constructed with a silver cylinder head and cylinder, and a steel gray crankcase, this engine is built to withstand the rigors of off-road riding while maintaining long-term reliability.Technical SpecificationsEngine Type: 1-Cylinder, Horizontal, 4-Stroke, Oil-CooledDisplacement: 150ccBore × Stroke: 56.5mm × 59mmMax Power: 9KW @ 7500 RPMMax Torque: 11 N·m @ 5000 RPMStart Mode: Kick StartClutch Type: Manual Wet ClutchTransmission: 4-Speed N1234Sprocket: 15T 428 ChainCylinder Head & Cylinder: SilverCrankcase: Steel GrayDimensions: 470×260×210mmWeight: 17.5kgCompression Ratio: 9.0:1Engine Oil: 900ml, 15W/40-SE

• High-Performance 150cc Engine Single-cylinder, oil-cooled 4-stroke engine delivering 9KW @ 7500 RPM and 11 N·m torque @ 5000 RPM, providing strong acceleration and reliable off-road performance.
• Manual Wet Clutch & 4-Speed Transmission Equipped with a manual wet clutch and 4-speed N1234 gearbox, giving precise control over power delivery and smooth gear shifting for dirt bikes and mini ATVs.
• Complete Engine Kit Includes kick starter lever, gear shift lever, manifold set, and CDI, providing a hassle-free installation for your pit bike or mini trail bike.
• Durable & Reliable Construction Cylinder head and cylinder in silver, crankcase in steel gray, built for long-lasting performance in off-road conditions. Compact dimensions 470×260×210mm and lightweight 17.5kg.
• Wide Vehicle Compatibility Fits CRF50, CRF70, XR50, XR70, Z50, Z50R, CT70 Mini Trail, Minitrail Monkey, XL70, ST70, QA50, QR50, CL70, SL70, 70 Passport, CS90, SL90, ZB50—ideal as a replacement or upgrade engine for 50cc-125cc dirt bikes.