01-04 Yamaha WR250F WR 250F 80mm 270cc BIG BORE Cylinder JE Piston Top End Kit YZF-R7 this set features 91mm stock

this set features 91mm stock bore pistons with an 11

22cc pump gas billet cool head domes custom machined for stroker crank - NO SPACER

3mm thick titanium washers (full set included)

460" lift) for high RPM stability and durability

09168-06023

01-04 Yamaha WR250F WR 250F 80mm 270cc BIG BORE Cylinder JE Piston Top End Kit YZF-R7 this set features 91mm stock21002 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