Product Name: 80cc Engine 2-Stroke Engine Electric and Pull Start Motorized Bicycle Kits Model NO.: 14 Main Market: Southeast Asia Four Stroke Principle: Compression Stroke Thermal Machine: External Combustion Type Certification: CE, ISO9001?2000 Energy Transformation: Power Machine Cold Style: Air-Cooled Stroke: Two Stroke Cylinder NO.: 1 Cylinder Start: Electric/Kick Type: Exhaust System Trademark: sican Transport Package: Box Specification: 80cc 2 stroke Origin: Shanghai HS Code: 8407909090 Product Description NOTE: Please note that the Bullet Train DOES NOT come with a battery. The Bullet Train requires a 12v 7aH battery for operation.Electric Start Bicycle Engine Kityou'll be taking your motorized bike build to the next level. This multi-purpose gasoline engine kit has an automatic centrifuge clutch. There are two different starting methods, pull-start or electric start, allowing great flexibility in operation. This new, well-designed electric engine kit offers several improvements over previous models. Enjoy the benefits of more horsepower, easier operation and a lower technical dysfunction rate compared to other 2-stroke and 4-stroke engine kits out there.This engine kit gives you the power and performance you need with the latest upgrades such as high-quality Japanese clutch components and crank bearings. It's specifically designed for speed so it's the ideal upgrade for serious enthusiasts ready to take the next step in terms of performance. Every single electric engine kit is manufactured to the highest quality standards so our customers get the best possible products. But beginners and pro riders alike can enjoy the security and peace of mind that comes with a 6 month warranty on your new engine kit.This electric start engine fits most bicycle styles such as mountain, road and cruiser that have a V frame shape and 26-inch wheels. For ideal installation conditions, there should be 9 inches to 11 inches of clearance between the top bar and bottom bracket. The frame tube should have a diameter of about 1 inch (25 to 29 millimeters).Product Features:Simple installation can be completed in a few hoursRequires basic tools and moderate skill level to buildAllows for fine-tune adjustments following installationIncludes in-depth instructional manual with installation detailsEngine chain location on opposite side of the sprocket doesn't interfere with current drive chainFree shipping to the continental USPackage Includes:BBR Tuning2-Stroke 66/80cc Bullet Train Electric Start EngineLow Profile CarburetorUpgraded Chrome MufflerDrive Chain Idler PulleyTop Quality Japanese 202 Main Bearings415 Bike Engine Drive ChainWide Crank Assembly (bottom bracket not included)Drive Chain Guard2-Stroke Spark PlugTwist Throttle and Cable With Grip1.5L Black Teardrop Gas Tank (approx. ⅖ of a gallon)Fuel LineGasoline Tank SwitchSprocket Clamp Assembly40+ Tooth Chrome Drive Sprocket with 9 Holes AND disc brake holesHigh Quality Japanese Bearings on Both Ends of CrankAll Required HardwareKill SwitchDetailed instruction manual;Downloadable version here