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- First Line
- JP 21 Rally NEW
The FX 21 R3 engines are designed for 1 / 8 On-Road chassis. It's developed to give you the best performance. They are fixed with high-speed bearings and main bearing in a special cages.
| C. Capacity : | 3,49 cc |
|---|---|
| Bore : | 16,26 mm |
| Stroke : | 16,80 mm |
| Ports : | 7 + 2 By pass |
| Crankshaft : | ø 14 mm |
| Carburetor : | ø 9mm + reducer |
| Glow Plugs : | Turbo |
| Main Bearing | Hight Speed |
| Weight : | 326 gr |
# FX 21 R-03 - Stock
Crankcase Stock
The FX 21 R3 Stock version is endowed with a crankcase of robustness and perfectly machined. This quality crankcase will insure the FX 21 R-03 Stock a very high level of performance.
WARNING : Place the piston on the top dead center (PMS) before removing the rear cover.
Cylinder Head
The FX 21 R-03 cooling head is endowed with 8 ribs. It's shape and size were studied for an optimal cooling of the engine. The blue colour head is engraved R3 and JP.
Head Insert TURBO
The insert is a "Turbo" version to give an optimal performance to this engine and it gives greater power.
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.
7 Ports ABC Piston 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.
Crankshaft TURBO
The crankshaft of the FX 21 R-03 is machined to have a very light weight, more acceleration at low speed and stop consumption. The HardBlack coating on crankshaft avoids the problems of dust setting. Like all the Eagle line, 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.
Carburetor 9mm
The 9mm carburetor has an aluminum body to receive interchangeable nozzles . This carburetor comes with a 8.5 mm reducer. As on all JP Engines the idle setting is limited on a single screw to adjust even easier and user friendly. This carburetor has already proved its worth and confer with FX engine a great stability setting and excellent performance.
