Product Introduction
The fifth-generation B21 series, the "B2105," features revised cylinder liners and crankshafts—the heart of the engine—to ensure power for a competitive advantage in the harshest off-road racing conditions and to enhance driving feel in any situation.
This results in smoother rotation.
Furthermore, combined with the lightweight outer head, it also improves drivability.
*The combo set includes the B02 EFRA2089 tuned silencer and MB01-75 exhaust manifold.
Specifications: Displacement: 3.49 cc, Bore: 16.27 mm, Stroke: 16.80 mm, Power: 2.68 ps / 2.64 hp / 34,000 rpm, Usable RPM: 4,000-42,000 rpm, Weight: 348 g / 12.28 oz.
Accessories: T-Plug T-P3 (1), Reducer φ6 II, φ6.5 II, Exhaust Seal Ring (1), Dust Caps φ3, φ16, φ18 (1 each), TB02 EFRA2089 Tuned Silencer, MB01-75 Exhaust Manifold.
Note: This product requires fuel and other supplies to operate, but these are not included.
Note: This product does not use batteries. Batteries are not included.
*This product does not include fuel, charger, paint, adhesives, oil, grease, tools, etc.
Safety Warning
This engine is for model use. Do not use for any other purposes.
Do not modify or disassemble the engine. Doing so may result in injury or damage.
Fuel is toxic. Avoid contact with eyes or mouth. Store in a cool, dark place out of reach of children.
To prevent accidental ignition, handle the engine with careless handling and avoid open flames.
The engine is very hot during operation and immediately after operation. Do not touch with bare hands.
Operating the engine indoors or in poorly ventilated areas may result in carbon monoxide poisoning. Always operate outdoors.
A loud exhaust noise is generated during operation. Operate the engine in a location that will not disturb others.
The B2105, the fifth generation of the B21 series, has undergone changes to the cylinder liner and crankshaft - the heart of the engine - to ensure power that will give an advantage in the harsh off-road racing scene and to pursue a driving feel in any situation.
This has resulted in a smoother increase in rotation.
This, combined with the effect of a lighter outer head, has also resulted in improved drivability.
