Designed to achieve the easiest operation and max performance again and again. The .21 features a built-in recoil starters "X" version. The "P" version have been designed with half-thread crankshaft that enable the flywheel and the clutch set to be installed precisely and conveniently. Easy built-in starter shaft system

The PRO series are manufactured by automated computer-controlled machinery, using the highest quality materials. State-of-the-art CNC manufacturing techniques produce not only high performance and reliability but a product that looks and performs better. Precision mixture control carburetor makes adjustments simple.

Features:

• Dual starting system; recoil starter, rotor starter
• Top grade CNC equipment, state-of-the-art technology are used
• Improved slide-valve carburetor; which makes adjustments simpler
• Improved quality; ISO9001 Certified which guarantees the maximum power and performance
• Smooth running and long lasting power plant with front and rear ball bearings
• Dual-ball bearings, Schnuerle porting, piston and cylinder and slide-valve carburetor
• Designed for both beginners and experienced modelers

Specifications:

• Displacement: 3.46 cc. / 0.211 cu. in.
• Bore: 16.0 mm. / 0.654 in.
• Stroke: 16.0 mm. / 0.630 in.
• Practical RPM: 3,000 ~ 38,000
• Output: 2.10 BHP / 30,000 RPM