Externally almost indistinguishable from their flanged counterparts, BIG BORE Testa Rossa cylinders feature a stud bolt framework compatible both with original engines and with the C-One Malossi case. Even inside they are totally similar to Flanged Mounts, thanks to the renowned configuration with seven ports and dual exhaust port, with the only difference given by the limits set by the inner passage of the bolts that affects the size and development of the exhaust.
APRILIA APRILIA AREA 51 50 2T LC Crankcase MODIFICATIONS: BORING AND CHAMFERING - To be combined EXCLUSIVELY with crankshaft 5317827 and exhaust system Malossi 3216827 scooter racing MHR Ø 52 Big Bore.
APRILIA APRILIA GULLIVER 50 2T LC Crankcase MODIFICATIONS: BORING AND CHAMFERING - To be combined EXCLUSIVELY with crankshaft 5317827 and exhaust system Malossi 3216827 scooter racing MHR Ø 52 Big Bore.
APRILIA APRILIA SONIC 50 2T LC Crankcase MODIFICATIONS: BORING AND CHAMFERING - To be combined EXCLUSIVELY with crankshaft 5317827 and exhaust system Malossi 3216827 scooter racing MHR Ø 52 Big Bore.
APRILIA APRILIA SR NETSCAPER 50 2T LC (MINARELLI) Crankcase MODIFICATIONS: BORING AND CHAMFERING - To be combined EXCLUSIVELY with crankshaft 5317827 and exhaust system Malossi 3216827 scooter racing MHR Ø 52 Big Bore.
APRILIA APRILIA SR RACING 50 2T LC (MINARELLI) Crankcase MODIFICATIONS: BORING AND CHAMFERING - To be combined EXCLUSIVELY with crankshaft 5317827 and exhaust system Malossi 3216827 scooter racing MHR Ø 52 Big Bore.
APRILIA APRILIA SR REPLICA 50 2T LC <-1999 Crankcase MODIFICATIONS: BORING AND CHAMFERING - To be combined EXCLUSIVELY with crankshaft 5317827 and exhaust system Malossi 3216827 scooter racing MHR Ø 52 Big Bore.
APRILIA APRILIA SR STEALTH 50 2T LC (MINARELLI) Crankcase MODIFICATIONS: BORING AND CHAMFERING - To be combined EXCLUSIVELY with crankshaft 5317827 and exhaust system Malossi 3216827 scooter racing MHR Ø 52 Big Bore.
BENELLI BENELLI 491 SPORT 50 2T LC (MINARELLI) Crankcase MODIFICATIONS: BORING AND CHAMFERING - To be combined EXCLUSIVELY with crankshaft 5317827 and exhaust system Malossi 3216827 scooter racing MHR Ø 52 Big Bore.
BETA BETA EIKON 50 2T LC Crankcase MODIFICATIONS: BORING AND CHAMFERING - To be combined EXCLUSIVELY with crankshaft 5317827 and exhaust system Malossi 3216827 scooter racing MHR Ø 52 Big Bore.
ITALJET ITALJET DRAGSTER 50 2T LC Crankcase MODIFICATIONS: BORING AND CHAMFERING - To be combined EXCLUSIVELY with crankshaft 5317827 and exhaust system Malossi 3216827 scooter racing MHR Ø 52 Big Bore.
MALAGUTI MALAGUTI F12 DIGIT KAT-PHANTOM 50 2T LC Crankcase MODIFICATIONS: BORING AND CHAMFERING - To be combined EXCLUSIVELY with crankshaft 5317827 and exhaust system Malossi 3216827 scooter racing MHR Ø 52 Big Bore.
MALAGUTI MALAGUTI F12 DIGIT KAT-PHANTOM 50 2T LC euro 2 Crankcase MODIFICATIONS: BORING AND CHAMFERING - To be combined EXCLUSIVELY with crankshaft 5317827 and exhaust system Malossi 3216827 scooter racing MHR Ø 52 Big Bore.
MALAGUTI MALAGUTI F12 R LC 50 2T LC euro 2 Crankcase MODIFICATIONS: BORING AND CHAMFERING - To be combined EXCLUSIVELY with crankshaft 5317827 and exhaust system Malossi 3216827 scooter racing MHR Ø 52 Big Bore.
MALAGUTI MALAGUTI F12-PHANTOM 50 2T LC Crankcase MODIFICATIONS: BORING AND CHAMFERING - To be combined EXCLUSIVELY with crankshaft 5317827 and exhaust system Malossi 3216827 scooter racing MHR Ø 52 Big Bore.
MALAGUTI MALAGUTI F15 FIREFOX 50 2T LC Crankcase MODIFICATIONS: BORING AND CHAMFERING - To be combined EXCLUSIVELY with crankshaft 5317827 and exhaust system Malossi 3216827 scooter racing MHR Ø 52 Big Bore.
MBK MBK MACH G 50 2T LC Crankcase MODIFICATIONS: BORING AND CHAMFERING - To be combined EXCLUSIVELY with crankshaft 5317827 and exhaust system Malossi 3216827 scooter racing MHR Ø 52 Big Bore.
MBK MBK NITRO 50 2T LC Crankcase MODIFICATIONS: BORING AND CHAMFERING - To be combined EXCLUSIVELY with crankshaft 5317827 and exhaust system Malossi 3216827 scooter racing MHR Ø 52 Big Bore.
YAMAHA YAMAHA AEROX 50 2T LC euro 0-1 Crankcase MODIFICATIONS: BORING AND CHAMFERING - To be combined EXCLUSIVELY with crankshaft 5317827 and exhaust system Malossi 3216827 scooter racing MHR Ø 52 Big Bore.
YAMAHA YAMAHA AEROX 50 2T LC euro 2 Crankcase MODIFICATIONS: BORING AND CHAMFERING - To be combined EXCLUSIVELY with crankshaft 5317827 and exhaust system Malossi 3216827 scooter racing MHR Ø 52 Big Bore.
YAMAHA YAMAHA JOGRR 50 2T LC euro 2 Crankcase MODIFICATIONS: BORING AND CHAMFERING - To be combined EXCLUSIVELY with crankshaft 5317827 and exhaust system Malossi 3216827 scooter racing MHR Ø 52 Big Bore.