Transforming a standard bicycle into a motor-assisted ride is popular for longer commutes and weekend adventures. This guide highlights five reliable motor kits that attach to 26-28″ bikes, emphasizing ease of installation, power output, and durability. Each option includes installation notes, engine specs, and typical components to help you compare at a glance.
| Product | Engine Size | Power (approx.) | Kickstart | |
|---|---|---|---|---|
| IMAYCC 80cc | 80cc | ~2.1 kW | Foot pedal start | 26-28″ bikes |
| IMAYCC 100cc | 100cc | ~2 kW | Foot pedal start | 26-28″ bikes |
| 100CC Bike Kit | 100cc | ~2 kW | Kick/start pedal | 26-28″ bikes |
| IMAYCC 100cc | 100cc | ~2 kW | Foot pedal start | 26-28″ bikes |
| IMAYCC 80cc | 80cc | ~2.1 kW | Foot pedal start | 26-28″ bikes |
IMAYCC 80cc Bike Motor Kit

Engine: 80cc single-cylinder, air-cooled, two-stroke. Starting method: foot pedal start. Ignition: CDI. Sprocket: 44 teeth; Chain: 110 links; Spokes: 36. Power/speed rated at about 2.1 kW at 5000 rpm. Installation notes emphasize basic mechanical skills and tools with an estimated 2-4 hours for setup and tuning. A YouTube search for “IMAYCC 80cc bicycle engine kit” is recommended for troubleshooting and guidance. The kit targets durability and longer-distance riding for outdoor use.
IMAYCC 100cc Bicycle Engine Kit

Engine: 100cc, single-cylinder, air-cooled, two-stroke with CDI ignition and foot pedal start. Power/speed around 2 kW at 6500 rpm. Includes a rugged 44-tooth drive sprocket, 110-link chain, and 36-spoke wheel for strength. Installation support is highlighted, with a strong recommendation to review detailed instructions and search “IMAYCC Bicycle Engine Kit” on YouTube prior to starting. Designed for durability and extended outdoor use, suitable for longer rides and commutes.
100CC Bicycle Engine Kit, Full Set

Complete conversion kit with all parts and accessories to transform a standard bike into a gas-powered motorcycle. Claims lower fuel consumption with up to 150 miles per gallon and an energy-saving design. Features an upgraded 36-tooth sprocket, a red speed carburetor, and an upgraded CDI. The kit includes a Kick starter option for easier power boost on hills or start-offs, and emphasizes reliable performance during break-in and cold weather starts.
IMAYCC 100cc Bike Motor Kit

Engine: 100cc, single-cylinder, air-cooled, two-stroke with CDI ignition. Starting via foot pedal; includes 44-tooth drive sprocket, 110-link chain, and 36-spoke wheel. Installation guidance mirrors other IMAYCC kits, with notes on 2-4 hours of assembly and tuning. The kit aims to deliver strong performance for extended outdoor use and higher-mileage riding, with emphasis on consistent mechanical reliability.
IMAYCC 80cc Bicycle Engine Kit

DIY-friendly installation with recommended prep: review detailed instructions and search for “IMAYCC 80cc bicycle engine kit” on YouTube. Engine is 80cc, air-cooled, two-stroke with CDI ignition and foot pedal start. Power/speed rated at ~2.1 kW at 5000 rpm. Kit includes a 44-tooth drive sprocket, 110-link chain, and 36 spokes to ensure strength. Emphasizes durability and long-distance riding capabilities for everyday outdoor use.
Buying Guide: Key Purchase Considerations
- Engine size and intended use: 80cc kits emphasize lighter setups with adequate speed, while 100cc kits prioritize higher power for steeper hills and longer rides. Choose based on terrain and rider weight.
- Starting mechanism: Most kits use foot-pedal starting (kick start). Confirm comfort with your preferred starting method and any necessary maintenance steps.
- Installation effort: Expect 2-4 hours for setup and tuning with basic mechanical skills. Look for comprehensive instructions and access to online tutorials.
- Durability and components: Check sprocket tooth count, chain length, and spokes. A robust wheel setup (36 spokes) helps handle added torque.
- Fuel and maintenance: Two-stroke engines require oil mixing and regular maintenance. Review break-in procedures and fuel-oil ratios recommended by the manufacturer.
- Support and compatibility: Verify compatibility with 26-28″ bikes and whether the kit includes mounting hardware and carburetor adjustments for cold starts or altitude.
- Future upgrades: Some kits offer upgrade paths (larger displacement or carburetor tuning) if your goals change from daily commuting to longer trips.
- Safety and local rules: Engine-assisted bikes may be subject to local regulations or safety standards; ensure compliance for riding on public roads.