Athena 070100 Cylinder Set with Head 70 Cc, Diameter 47.6 mm (Pin, 10)

CHRONO 50, BW'S ORIGINAL EURO2, BW'S SPY 50, BW'S BUMP 50, BW'S STUNT 50, BOOSTER CW RS NG 50 KAT, AMICO 50, YW50 ZUMA, GHIBLI 50, ASTRA 50, ASCOT 50, SR 50 Made from race proven designs to Yamaha factory specifications Selected by the top racing teams in all types of race including Super Cross, Motocross, GNCC, Superbike and more Maximizes horsepower and*in Yamaha dirt bikes and off-road vehicles Fits the following rides Aprilia Amico 50 1996-1998; Aprilia SR 50 FINO 1994 MOT. VERT. 1994, Fantic Pony SR 50, Garelli Big Wheel 50, Garelli Pony 50, Garelli SR 50, Italjet ASCOT 50, Italjet ASTRA 50, Italjet BA 50, Italjet BA 50 BAZOOKA 1, Italjet PISTA 2 Yankee 50 1995-1996 . Italjet Pista 1 50 1995-1995 ; Italjet REPORTER 50 ; Italjet SCOOP 2/3 50 ; Kotir SR 50 ; KTM CHRONO 50 ; Lem FLASH 50 ; Lem GHIBLI 50 ; Lem Tornado SS1 50 Mbk BOOO. STER CW 50 1990-1994