Novarossi ROMA .25 Truggy Off Road Engine (7 Port Turbo)
Novarossi ROMA .25 Truggy Off Road Engine (7 Port Turbo)

Novarossi ROMA .25 Truggy Off Road Engine (7 Port Turbo)

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Your Price: $230.00
Retail Price:$300.00
You Save:$70.00(23%)
Part Number: NVRROMA25
Availability: Out of Stock.

Cooling head:
The cooling heads of the ROMA.21 engines are made lighter by making aditional holes in the cooling fins. This reduces the overall mass of the engine.

Rear ball bearing:
The outer diameter of 25.80 mm has been adopted in order to avoid ring distorsions and to increase fatigue resistance.

This carburettor is made from plastic and have a sliding throttle valve. (reverse type)

The sleeve has 7 transfer ports and an exhaust with booster ports. The special shape and positioning of the ports, covered by a patent, improve the internal fluid-dynamics to obtain the maximum possible performance. 

The Turbo SG crankshaft is made from high quality steel.

The inner shape of the gasket has a new shape, and with that more material. Together with a change in material these gaskets are more resistant to high temperatures.

The glowplug of engine is a Turbo type glowplug. Turbo glowplugs have a different shape than Standard glowplugs and therefor are not interchange able with engines that are using Standard glowplugs!

Cilindrata / Displacement 4.04cc.
Potenza massima / Max. power -- Hp.
R.P.M (Max. power) 37.500 R.P.M.
Regime di utlilizzo / Practical range 6.000 ~ 42.100 R.P.M.
Alesaggio x corsa / Bore x stroke 17.10mm x 17.60mm
N. Travasi /
N. Transfer ports
N. 7
Codice / Code 08500-25
Ball Bearings
Anteriore / Front Acciaio / Steel
Posteriore / Rear Acciaio / Steel
Tipo d'avviamento / Starting Starterbox
Tipo / Type 14mm - SG
Codice / Code 15000-25
Tipo / Type 9mm - Scorrimento / Slide
Materiale / Material Plastica / Plastic
Regolazione / Adjustment Singola / Single
Codice / Code 24069
Tipo di candela / Glowplug type - Codice/Code TURBO - C6TGC
Tipo di scarico / Exhaust position Posteriore / Rear
Tipo di miscele / Fuel type Consigliata / Advise: 25% Nitro
peso / weight gr.



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