S21 P5XLT .21 5 Port Off Road Buggy Engine (Turbo Plug)

 

This is the Novarossi S21P5XLT .21 class turbo plug nitro race engine.
This engine is the revised version of the notorious Novarossi P5 and has a slightly more
aggressive power band compared to the P5XL.
This engine includes a R7 conrod made from super light aluminum and designed to create
the least amount of turbulence inside the engine.
The sleeve has 5 transfer ports to create a linear power output and to keep fuel consumption
 low. The crankshaft is manufactured with a larger bore intake to increase the mixture flow,
and has a special shape to optimize gas-flow in the engine.
The rear bearing has a outer diameter of 25.80mm and has been used in order to avoid ring
distortion and to increase lifespan. The two needle, slide valve, nylon body carburetor features
 a standard design that allows the use of interchangeable venturi's to tune for any track condition.

Recommended Tuned Pipes: EFRA 3005, EFRA 9901, EFRA 9853

Recommended Tuned Manifolds: 41019, 41020, 41021


Specifications:

Displacement: 3.49cc.
Bore x Stroke: 16.26mm x 16.80mm
Transfer Ports: 5
Rear Ball Bearing Type:
25.8mm Steel
Crankshaft Type: 14mm SG
Carburetor Type: 8mm Slide
Material: Plastic
Adjustment: Single
Glowplug Type: Turbo - C6T
Exhaust Position: Rear
Fuel Type: Advise 25% Nitro