2x Carbon Membran für Yamaha YZ 250 1985-1988 + YZ 490 + WR500 Kolbenringe Replaces the reed valves with

Replaces the reed valves with Yamaha part number 5UN-13613-00-00

Replaces the reed valves with KTM part numbers 54830052344 / 50530152044 (REED VALVE SET)

Aprilia AF1 Futura 125 1990-1992

45 x 38 mm (Membran b)

Compatible with Yamaha PR440 1976

2x Carbon Membran für Yamaha YZ 250 1985-1988 + YZ 490 + WR500 Kolbenringe Replaces the reed valves withCompatible with Yamaha YZ 250 1985 1988 Compatible with Yamaha YZ 490 1986 1990 Compatible with Yamaha WR 500 1992 1993 High quality material precisely CNC milled for a perfect fit For optimal response and performance in all RPM ranges Dimensions: 76 x 48 mm Replaces the reed valves with Yamaha part numbers 8AB 13613 00 00 56A 13613 00 00 All manufacturer and brand names are used only for compatibility identification and are the property of their