Precision-machined aluminum construction for strength and reliability
Our meticulously crafted kit is built to exceed OEM standards
Genuine OEM Yamaha crankshaft with rod assembled
and crank pin installed
1987 - JS550 (JS550-A)
01-04 Yamaha YZ250F WR250F YZ WR 250F BPRATV 80mm Cylinder JE Piston Top End Kit TRX250R Precision-machined aluminum construction for strength21002 K01,C3059,247940,221797,M1050C,MX1050C,P400485100026,P400485160007,S5F08300006A,S5F08300006C,S5F08300006,20002,WPC140, PK1401, 4882M07700, W5921, C7905 EST, 20002,247937,94591 53114 00,P400485100026,P400485160007,5NL 11181 00 00, 5NL 11351 00 00, 5NL 14613 00 00,20002,HC92RH2010114,CC007,31. 2402, 4FM 12213 00, 4SV 12119 00 00, 4TV 12119 00 00, 20002, 221798, MX 09150 2, 5XC 11311 20 00, 5NL 11311 00 00, 5NL 11631 20 00, 5UL 11311 00 00, 5XC