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SIRIO X5 5ports 3.5cc .21 Ceramic Buggy off-road engine
Displacement: 3.49cc.
Transfer no. 5 ports
Piston type: CNC
Stroke: 16.90mm
Bore: 16.20mm
Shaft: 14.20mm.
Shaft type: Turbo SG
Spark plug type: Turbo
Exhaust type: Rear
Bearing: Swiss Ceramic