O.S. MAX ENGINE B21 ONGARO with muffler (1DL01)

Japanese company's O.S. Max internal combustion engine for model cars.

Davide Ongaro, IFMAR 1/8 Engine Off-Road World Champion, has signed a contract with OS SPEED from 2021. This time the "OS SPEED B21 ONGARO EDITION" was born, which was modified according to his sense of ! Based on the latest OS SPEED B2104 off-road engine - the crankshaft has been changed to a counter-rotating shape and a crankshaft with a single tungsten weight is used, specially designed for this engine to match its riding style. The inner head is also a specially designed combustion chamber, and their synergistic effect provides a smooth feel and stronger top end. In addition, the outer head has a standard round shape, and the laser marking of the original ONGARO logo creates a racing atmosphere. The carburetor also uses a new black anodized φ5.8mm / φ6.3mm reducer to create "an engine that can win big races."

Technical data:

• capacity: 3.49 cm3
• piston diameter: 16.27 mm
• piston stroke: 16.80 mm
• power: 2.68 hp / 2.64 hp at 34,000 rpm
• rPM range: 4 000 - 42 000
• engine weight: 352 g

Kit includes:

• motor
• tB-02 (EFRA 2089) muffler + MB01-75 manifold
  
• t-P3 glow plug
  
• dust covers

*Follow the instruction manual included with the product.