E01 CYLINDER LH 300 POS. PARTNUMBER DESCRIPTION QTY SRT 1 22401a CYLINDER HEAD ASSY 1 22401b CYLINDER HEAD ASSY （FOR ATV300） 1 2 22402 GUIDE INTAKE VALVE 2 3 10112 CIRCLIP 12 2 4 10128 BOLT M6X12 1 5 22405 GASKET 6 1 6 10014 BOLT STUD M8X25 2 7 22407 BREATHER ASSY 1 8 22408 O RING 95X3.3 1 9 10008 BOLT SOCKET HEAD M6X20 2 10 22410 VALVE COVER INTAKE SIDE 1 11 22411 VALVE COVER EXHAUST SIDE 1 12 22412 O RING 57.5X2.3 2 13 10008 BOLT SOCKET HEAD M6X20 5 14 22414 NUT CROWN M8 4 15 22415 WASHER PLATE 8 4 16 22416 GASKET CYLINDER HEAD1 1 22416a GASKET CYLINDER HEAD2 （FOR ATV300） 1 17 22417 PIN DOWEL 14X16 2 18 22418 BOLT FLANGE M6X120 2 19 22419 PLUG SPARK NGK DR8EA 1 20 22420 CYLINDER 1 22420a CYLINDER （FOR ATV300） 1 21 22421 GASKET CYLINDER 1 22 22422 PIN DOWEL 10X14 2 23 22423 PIPE BREATHER1 1 24 22424 CLIP 12MM 2 E02 CRANKSHAFT 300 LH 300 POS. PARTNUMBER DESCRIPTION QTY SRT 1 22501 CRANKSHAFT ASSY 1 2 22502 NUT M16X1 1 3 22503 WASHER PLATE 16 1 4 22504 KEY WOODRUFF 1 5 22505 PISTON 1 22505a PISTON（FOR ATV300） 1 6 22506 PISTON RING SET 1 22506a PISTON RING SET（FOR ATV300） 1 7 22507 PISTON PIN 1 8 22508 CLIP 2 E02 VALVE LH 300 POS. PARTNUMBER DESCRIPTION QTY SRT 1 22601 INTAKE VALVE 1 2 22602 EXHAUST VALVE 1 3 22603 SEAT SPRING VALVE 2 4 22604 SPRING VALVE INNER 2 5 22605 SPRING VALVE OUTER 2 6 22606 SEAL VALVE STEM 2 7 22607 RETAINER SPRING VALVE 2 8 22608 COTTER VALVE 4 9 22609 ROCKER ARM VALVE 2 10 22610 EXHAUST ROCKER SHAFT 1 11 22611 INTAKE ROCKER SHAFT 1 12 22612 O RING 9X2 1 13 22613 ADJUSTING SCREW VALVE 2 14 22614 NUT M6X0.75 2 E03 CAMSHAFT LH 300 POS. PARTNUMBER DESCRIPTION QTY SRT 1 22701 CAMSHAFT ASSY1 1 2 10012 BEARING 1 3 10013 BEARING B6202Z 1 4 22704 PLATE 1 5 10128 BOLT M6X12 2 6 22706 LOCK WASHER 1 7 22707 CAM CHAIN SPROCKET 1 8 10024 DOWEL PIN B4X10 1 9 10025 BOLT M10X1.25X25 1 10 22710 WASHER PLATE 10 1 11 22711 B