The T1-P5 has undergone extensive modification to the piston/sleeve, crankshaft and crankcase.  The timing has been altered to produce an increase on power throughout the rev range.

Technical Data
Displacement: 3,49cc / 0.213 cu.in. Bore: 15,94 mm
Stroke: 17,50 mm, Weight: 350 gr.
Head Diam. : 59,50 mm, Operating range: 4.000 – 45.000 rpm
Vacuum high pression injected Crankcase, Triple balanced Lightened Crankshaft
5 Ports cylinder with antifriction, HCP coating Sinterized alloy piston
Rear Steel Ball Bearing, Double adjustment Carburetor with Interchangeable venturi