This is the Dynamite Mach 2 .21 SG nitro buggy engine.
Dynamite’s Mach 2 series engine line ignites the industry with the .21 SG nitro engine. Known for explosive power, reliability and all-out performance, Dynamite engines are becoming the engine of choice for many RC sport racers. The 13mm turbo ported crankshaft along with the ABC 6-port piston and sleeve allow this engine to deliver superior horsepower, high torque and extreme efficiency matched only by engines at much higher price points. The Dynamite .21 SG incorporates the technology and design advances developed from the Dynamite Platinum .21 XP in a sport version. Whether you’re upgrading your existing nitro vehicle or looking to build a competitive racer, look no further, the Dynamite .21 SG engine has everything you need to be successful in the backyard or on the track.
Key Features:
- 13mm turbo ported crankshaft
- 2-needle carburetor
- ABC 6-port piston and sleeve
- Knife edged connecting rod
Specifications:
- Type: 2-stroke
- Displacement: .21
- Bore: 16.27mm
- Stroke: 16.75mm
- Engine (Only) Weight: 310 g
- RPM Range: up to 33,000
- HP: 2.3
- Front Bearing Size: 7 x 19 x 6
- Rear Bearing Size: 13 x 24 x 6
- Cylinder Type: ABC
- # of Ports: 6 + 1
- Carb Type: 2-needle slide
- Crank Type: SG
This product was added to our catalog on July 3, 2009



















Michael Johnson –
The Dynamite Mach 2 .21 SG Buggy Engine is a beast! It delivers incredible power and speed, perfect for competitive racing. Highly recommend for serious hobbyists.
Sarah Lee –
This engine is a game-changer. The performance is unmatched, and it’s surprisingly durable. It’s worth every penny if you’re into high-speed buggy racing.
David Martinez –
I’ve tried several engines, but the Mach 2 .21 SG stands out. It’s reliable, easy to tune, and delivers consistent power. Great product!
Emily Clark –
The engine is powerful, but it took some time to break in. Once it was ready, it performed flawlessly. A solid choice for advanced racers.
James Wilson –
Excellent engine for the price. It’s fast, efficient, and handles well under pressure. My buggy has never performed better!
Laura Brown –
This engine is a powerhouse! It’s perfect for racing but may require frequent maintenance to keep it in top condition.
Robert Taylor –
The Dynamite Mach 2 .21 SG is impressive. It’s smooth, powerful, and easy to install. A great investment for any buggy enthusiast.
Linda White –
I’m very happy with this engine. It’s fast, reliable, and performs well in all conditions. A must-have for serious racers.
Daniel Harris –
This engine is a great upgrade for my buggy. It’s powerful and responsive, but it does require some tuning experience to get the most out of it.
Jennifer Lewis –
The Mach 2 .21 SG is a fantastic engine. It’s lightweight, fast, and perfect for competitive racing. Highly recommend it!
Christopher Walker –
This engine is a top performer. It’s fast, reliable, and easy to maintain. A great choice for anyone looking to upgrade their buggy.
Amanda Hall –
The engine is powerful and efficient, but it’s a bit loud. If you can handle the noise, it’s a great purchase for racing enthusiasts.
Kevin King –
The Dynamite Mach 2 .21 SG is worth every dollar. It’s fast, durable, and perfect for competitive racing. I’m very satisfied with this purchase.