Os Max B21 #1EG00
Because 1/8 buggy competition is so competitive, every competitive edge is fought for. Your competitive advantage starts with the O.S.MAX B21 engine.
The OS MAX B-21 engine's drivetrain has been completely redesigned. It's more reliable and the new 21J3-I carburetor is easier to tune. The aluminum cooling head ensures consistent performance, even in rough conditions.
With the OS MAX B21 gas engine, you can compete with the competition. The engine can be tuned with high-quality O.S Speed Parts so you can reach your full winning potential. Equip your RC car with the OS MAX B21 and start claiming the podium.
The 21J3-I carburetor has two venturi inserts that can be quickly and easily changed to fine-tune to track conditions. The yellow (7mm) venturi gives you more bottom end while the red (8mm) venturi gives you more top end.
The blue anodized aluminum cylinder head provides excellent cooling.
The engine includes a P3 turbo plug.
Features:
Designed for aspiring 1/8 scale RC buggy racers
Reliable and low maintenance engine
Distance between mounting holes lengthwise [mm]: 21mm
Distance between mounting holes crosswise [mm]: 37mm
Manufacturer's article number: OS1EG00
Version: 2-stroke Nitro
Mounting hole Ø [mm]: 3.3mm
Bore [mm]: 16.27mm
Stroke: 16.8mm
Width [mm]: 45mm
Speed range approx.: 4000-41000 rpm
Total weight [g]: 361g
Height approx. [mm]: 102.0mm
Displacement [ccm]: 3.49ccm
Length to hub: 65.5mm
Length overall approx. [mm]: 95mm
Power (HP) at: 2.60 at 34,000 rpm
Carburetor: 21J3-I V3
Venturi: 6mm (orange) for off-road and 7mm (yellow) GT class
Shaft thread: UNF1/4.28
