49cc 2 Stroke Engine, Engine Motor Kit, Pull Start Engine, Motorized Bike Engine, 2 Stroke Engine

This high-performance 49cc 2-stroke air-cooled single-cylinder minimoto engine is engineered to deliver responsive acceleration and reliable power output for compact powersports vehicles. Constructed with a lightweight cast aluminum block and an efficient forced air-cooling system, this complete engine unit produces approximately 1.3 HP and is capable of reaching speeds up to 40 mph depending on rider weight and terrain. Equipped with an integrated manual recoil pull starter and a modular centrifugal clutch assembly, it serves as a direct replacement or custom upgrade for pocket bikes, mini dirt bikes, and small ATVs. Key Features & High-Output Performance Responsive 49cc 2-Stroke Power: Delivers sharp throttle response and approximately 1.3 HP, providing speeds up to 40 mph for mini racing and off-road applications. Lightweight Cast Aluminum Construction: Built with high-strength aluminum alloy to optimize heat dissipation, reduce overall vehicle weight, and withstand off-road vibration. Forced Air-Cooling System: Engineered cooling fins channel airflow efficiently around the cylinder head to maintain optimal operating temperatures under load. Manual Recoil Pull Starter: Heavy-duty pull-start mechanism provides quick, reliable ignition without requiring a heavy electrical starting battery. Modular Removable Clutch Bell: Features an integrated centrifugal clutch with a removable bell housing, allowing easy adaptation and clearance adjustments across various frame designs. Technical Specifications Product Type: 49cc 2-Stroke Air-Cooled Minimoto Engine Engine Displacement: 49 cc Engine Type: Single-Cylinder, 2-Stroke, Air-Cooled Approximate Power: 1.3 HP Housing Material: Cast Aluminum Alloy Starting System: Manual Recoil Pull Start Clutch System: Automatic Centrifugal Clutch Compatible Drive Chain: 25H Chain (Chain not included) Fuel Type: Unleaded Petrol & 2-Stroke Engine Oil Mixture Fuel Mixing Ratio: 25:1 (Gasoline to 2-Stroke Oil) Vehicle Applications & Compatibility Minimotos & Pocket Racing Bikes: Direct replacement power unit for standard mini racing motorcycles. Mini Dirt Bikes & Pit Bikes: Off-road youth trail bikes (clutch bell housing can be adapted/configured to frame requirements). Mini Quads & 4-Wheel ATVs: Small utility and recreational youth quads. Custom DIY Powersports Builds: Gas scooters, motorized skateboards, and custom mini karts. Fuel Mixing & Operating Guidelines Fuel Pre-Mix Requirement: Always mix fresh unleaded gasoline with quality 2-stroke engine oil at a strict 25:1 ratio before adding fuel to the tank to ensure proper cylinder lubrication. Drive Chain Setup: Verify tension and tooth engagement using a standard 25H chain to match the engine output sprocket. Engine Break-In: Run the engine at moderate throttle settings for the first few operating cycles to allow proper piston ring and cylinder wall seating. Package Contents 1 x 49cc 2-Stroke Minimoto Engine Assembly