FX 21 B-8N
FX 21 B-8N

FX 21B engines are intended for 1/8 Buggy or Truggy. They were developed to give you the best current performances. The sleeve with 8 ports insures the best compromise between power, flexibility and autonomy. They are assembled with high speed bearings. The front bearing is special with 2 sealed rubbers for hard dust condition.
These engines are with a good fuel consumption and many time go more than 8 min with a tank.
They are coming in two versions: Normal glow plug or TurboGlow plug.
We present you here the version with Normal glow plug.

Technical Data FX 21 B-8N
C. Capacity : 3,49 cc
Bore : 16,26 mm
Stroke : 16,80 mm
Ports : 8 + 2 By pass
Crankshaft : ø 14 mm
Carburetor : ø 8 mm + reducer
Glow Plugs : Standard
Weight : 385 gr

# FX 21 B-8N
     Out of Production

Glow Plug FX 21 B-8N

 

Normal Glow-plug

Normal Glow-plug.

ABC Sleeve 8 PortsPiston FX 21 B-8N

8 ports ABC Sleeve

This 8 ports sleeve is revolutionary in the Off-Road engine’s range. The exhaust has two boosters in order to increase performances and manage the fuel consuption on the best.

The last generation conrod is lightened with 2 bushings. The piston is also pierced to decrease the piston temp.

Crankshaft FX 21 B-8N

Turbo Crankshaft

The modified and lightened crankshaft is filled with the special red putty which is positionned to improve the gas passage. In order to reduce the friction and the wear, the crankshaft is HardBlack coated.
The Turbo design of the crankshaft's head highly improves the engine power. For best performances !

Carburetor FX 21 B-8N

Carburettor

The special Off-Road carburettor uses a plastic body to prevent the «vapor-lock». This carburettor is coming with an 8mm reducer (red) but other sizes are available.
As all FX Engines, it has a simple adjustment (1 screw). The adjustment is easier and simpler compared to a double screws.