FX 21 RG-1
FX 21 RG-1

A larger cooling head and waterproof front bearing transforms FX 21 R-01 into a perfect rally engine. To solve some "vapor-lock" troubles the carburator is used by a 9 mm plastic body with a reducer.
All specifications of this Rally engine are same as like FX 21 R-01.

 

 

Technical Data FX 21 RG-1
C. Capacity :3,49 cc
Bore :16,26 mm
Stroke :16,80 mm
Ports : 7 + 2 By pass
Crankshaft :ø 14 mm
Carburetor : ø 9 mm + reducer
Glow Plugs :Turbo
Weight :326 gr

 

 

 

 

# FX 21 RG-1

Turbo Glow Plug FX 21 RG-1

Turbo Glow Plug

Turbo Glow Plug for best performances.

WARNING: It is very important to use only a Novarossi Glow Plug for this engine. Only this Glow Plug is perfectly adapted with this insert. The use of other brands can make the engine instable and damage the insert and the piston sleeve.

ABC Sleeve 7 PortsMachined Piston FX 21 RG-1

7 ports ABC Sleeve

The 7 ports ABC sleeve is endowed with two by-pass for the lubrication of the connecting rod. This sleeve has two boosters to the exhaust to improves the exhaust system while the fuel consumption. The piston is CNC machined and drilled to better lubricate the head of connecting rod and cools bottom of the piston. The connecting rod is R7 type with double ring-type brass.
Every piston sleeve set are fine tuned for optimum timing and better gas flow compared to Stock version. Each piston and sleeve manualluy fixed to check optimum tightening and best compression.

Crankshaft FX 21 RG-1

Turbo Crankshaft

The crankshaft is HardBlack coated, a red putty, used for over 20 years on JP Racing engines, is placed in designed hole of the crankshaft to improve gas flow.
Like the piston sleeve set, each shaft is fine tuned for optimum timing and better gas flow compared to Stock version.

WARNING: Do not put the shaft inside solvent or gasoline for cleaning.
This liquides are able to damage the red dough.

Carburetor FX 21 RG-1

Carburetor

The special Off-Road carburetor uses a plastic body to prevent the «vapor-lock». This carburetor is coming with an 9mm reducer (red) its also available in different sizes. As all FX Engines, it has a simple adjustment (1 screw). The adjustment is easier and simpler compared to a double screws