| 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 |
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.

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.
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.
The adjustment is easier.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.