This is New 2023  MAX.21 XP3-R QUADRIFOGLIO .12 On/road engine.

This engine is Full tuned by Massimo Fantini!

This engine, is the best product of Max Fantini engine, with treatment DLC Long Life

FEATURES

Crankshaft
The new crankshaft gives the engine a better balancing. This will reduce the vibration produced by the rotating and the alternating masses. With Special "Long Life DLC" treatment.

Cooling head
New type, Very hot style, Quadrifoglio style.

Rear Ball Bearing
Is a ceramic swiss quality.

3 Ports AAC Piston Sleeve
The new sleeve is in special ALU Material, and has 3 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.

Rear Cover
The rear cover is a special version with fuel recovery.

Technical Data
C.Capacity : 2,1 cc 
Power: 1.80HP R.P.M. 44.800 Rpm
Bore : 13,70 mm 
Stroke : 14,25 mm 
Ports : 3 
Crankshaft :  11,9 mm Turbo Tuned
carburettor :  5.5mm metal + reducer 
Glow : Turbo 
Main Bearing : Ceramic