OE Replacement Air FilterManufactured to perfectly fit the factory airbox, these filters use top-quality materials from around the world including the Powerflow filtering mediaDirect replacement of original equipment filter with no need to change carburetor jets or settingsDesigned and developed to meet the demands of high-performance engines BASE COLORWhiteFEATURESDisposableFILTER MEDIA MATERIALPaperFILTER SHAPEOddPRODUCT NAMEAir FilterUNITSEach MakeModelDisplacementYearCountryEngineYAMAHAXJ 400 4001980JAPANYAMAHAXJ 550 5501981EUROPE37 KW(50 PS)YAMAHAXJ 400 4001981JAPAN34 KW(46 PS)YAMAHAXJ 550 5501982EUROPE37 KW(50 PS)YAMAHAXJ 400 4001982JAPAN34 KW(46 PS)YAMAHAXJ 550 5501983EUROPE37 KW(50 PS)YAMAHAXJ 400 4001983JAPAN34 KW(46 PS)YAMAHAXJ 400 4001984JAPAN34 KW(46 PS)YAMAHAXJ 400 4001985JAPAN34 KW(46 PS)YAMAHAXJ 400 Seca4001981AMERICA34 KW(46 PS)YAMAHAXJ 400 Seca4001982AMERICA34 KW(46 PS)YAMAHAXJ 400 Seca4001983AMERICA34 KW(46 PS)YAMAHAXJ 400 Seca4001984AMERICA34 KW(46 PS)YAMAHAXJ 400 Seca4001985AMERICA34 KW(46 PS)YAMAHAYX 600 Radian6001986AMERICA49 KW(67 PS)YAMAHAYX 600 Radian6001987AMERICA49 KW(67 PS)YAMAHAYX 600 Radian6001988AMERICA49 KW(67 PS)YAMAHAYX 600 Radian6001989AMERICA49 KW(67 PS)YAMAHAYX 600 Radian6001990AMERICA49 KW(67 PS)