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This page is retained for technical reference, scooter compatibility, servicing information and historical product documentation.
Browse compatible alternativesOttopuntouno 8.1 Fireblade crankcases for Piaggio/ Gilera 70cc 2-stroke scooters with 12" wheels.
The 8.1 Fireblade from Ottopuntouno is a high-end CNC-machined crankcase designed for extreme racing applications. Precision-built from three solid aluminium blocks, it was developed for the R-18 70cc cylinder kit but is also compatible with other FL (flange mounted) 70cc cylinders, making it a versatile base for serious Piaggio tuning projects.
Features and benefits:
-CNC-machined from premium aluminium.
-3-piece separable construction.
-Suitable for both air- and liquid-cooled engines.
-Enlarged intake system with extra-wide reed valve.
-Optimised intake passages for maximum flow.
-Crankweb diameter: 76mm.
-Wheel-side gearbox cover.
-Supplied with bolts, bearings, gaskets, intake system and ignition cover.
-Exceptional build quality, engineered for racing use.
Built exclusively for competition: the Ottopuntouno 8.1 Fireblade crankcase allows virtually any level of performance upgrade – from advanced tuning to full race conversions.
Ottopuntouno OPU017
