Motorcycle Engine Link TT-R250 YFM225 YFB250 YTM225 Fit For Yamaha TTR225 TT225R TTR230 TT230R YFM225 YFM250 XT225 YFB250 YTM225 TT225 motorcycle connecting rods kit direct crankshaft piston pin assembly rod size without grinding or extra forged structure withstands load offroad trail ATV heavy load operation machined big end small end bores maintain smooth rotation reduce crankshaft piston pin wear complete matched assembly with bearing shells for one step engine bottom end overhaul replacement OEM dimensional standard ensures stable power transmission extends engine life