DISPLACEMENT: 4.04 cc
SLEEVE 7 PORTS LONG STROKE
CRANCSHAFT 14mm TURBO - TUNED
NEW COOLING HEAD - IELASI TUNED 7 TRUGGY
FRONT BEARING - STEEL
REAR BEARING - STEEL
WEIGHT: 375 g
Bore x Stroke: 17,10x17,60mm
R.P.M. (max power) 37.500 RPM (7 ports)
The cooling heads of the ITD.25-7CL TRUGGY engines are made lighter by making aditional holes in the cooling fins. This reduces the overall mass of the engine.
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 rear cover presents a round shape to optimize the filling and reducing the dead spaces. the steel plate is to reduce friction and to expand the lifespan of the conrod.
This carburettor is made from plastic and have a sliding throttle valve. (reverse type)