Experience exceptional power, performance, and precision with the Great Power GP-61 Gas Engine. Designed for serious RC pilots, this 61cc engine delivers an impressive 6.5 horsepower while maintaining a lightweight build for smooth, efficient flight characteristics.

Each GP-61 is expertly engineered for maximum reliability — every piston and cylinder are precision-matched and tolerance-checked to guarantee consistent power output and reduced vibration. Its custom GP ignition system ensures smooth starts, stable idle, and reliable performance throughout the entire RPM range.

With its superior power-to-weight ratio (just 1440g), this engine provides more thrust and responsiveness than most competitors in its class — all while maintaining long-term durability and easy maintenance.

Key Features

✅ 61cc displacement producing 6.5 horsepower
✅ Smooth performance across 1600–8900 RPM range
✅ Custom GP ignition system for reliable starting and consistent throttle response
✅ Precision-matched piston and cylinder for maximum efficiency
✅ Lightweight at only 1440g
✅ Walbro HDA-2246 carburettor for accurate fuel delivery
✅ NGK CM-6 spark plug for dependable ignition
✅ Operates on 92 octane unleaded petrol (40:1 mix)
✅ Includes muffler
✅ 2-year warranty by Probuild Aircraft Ltd

Recommended Propellers

• 24x9 (2-blade)

• 24x10 (2-blade)

• 25x8 (2-blade)

Perfect For

• Aerobatic and sport RC aircraft

• Pilots seeking high power and smooth throttle response

• Builders upgrading to a lightweight, durable petrol engine

• Enthusiasts demanding professional-grade reliability and performance

Product Summary

The Great Power GP-61 Gas Engine combines raw performance with refined engineering, delivering more thrust, smoother operation, and greater reliability. With its efficient ignition system, low weight, and precision build, it’s the perfect choice for advanced RC pilots looking to push their aircraft to new limits.

Why Buy from Probuild Aircraft Ltd

✅ Official UK Great Power Engines Stockist
✅ 100% Genuine Products
✅ Trusted by Top International Pilots
✅ Fast, Reliable UK Shipping
✅ Supporting RC Pilots Since 1993