| Model |
CR125 (97-13), WR125 (97-13), CR250 (98-13), WR250 (98-13), CR65 (12-13), FC250 (16-22), FC250 (23-25), FE250 (24-25), FC350 (14-15), FC350 (16-22), FE350 (20-23), FE350S (20-23), FX350 (17-22), FC450 (14-15), FC450 (16-22), FS450 (16-22), FX450 (17-22), FC450 (23-24), FS450 (23), FX450 (23), FE250 (17-23), FE350 (14-16), FE350S (15-16), FE350 (17-19), FE450 (17-23), FE501 (14-23), FE501S (20-23), TC125 (14-25), TE125 (14-16), TX125 (17-19), TC250 (09-11), TE250 (10-12), TC250 (12-13), TE250 (13), TC250 (14-25), TE250/i (11-24), TC50 (17-25), TC50 Mini (18-23), TC65 (17-25), TC85 (14-25), TE150/i (17-20), TE150/i (21-25), TE150i (20-22), TE300 (11-18), TX300 (17-19), TE300/i (18-25), TE300 Pro (24), TX300/i (20-24), WR300 (08-13)
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| Piston Size |
A – 46.940mm | Bore: 47.000mm | Compression: Std (Cast Race Evolution), A – 46.940mm | Bore: 47.000mm | Compression: Std (Cast Race), A – 46.940mm | Bore: 47.000mm | Compression: Std (Cast Replica), A – 53.940mm | Bore: 54.000mm | Compression: Std (Cast Race Evolution), A – 53.940mm | Bore: 54.000mm | Compression: Std (Cast Race), A – 53.940mm | Bore: 54.000mm | Compression: Std (Cast Replica), A – 53.940mm | Bore: 54.000mm | Compression: Std (Forged Pro Race), A – 57.940mm | Bore: 58.000mm | Compression: Std (Cast Race), A – 57.940mm | Bore: 58.000mm | Compression: Std (Cast Replica), A – 66.340mm | Bore: 66.400mm | Compression: Std (Cast Replica), A – 66.340mm | Bore: 66.400mm| Compression: Std (Cast Replica), A – 71.925mm | Bore: 72.000mm | Compression: Std (Cast Replica), A – 71.940mm | Bore: 72.000mm | Compression: Std (Cast Replica), A – 77.960mm | Bore: 78.000mm | Compression: 12.8:1 (Forged Replica), A – 77.960mm | Bore: 78.000mm | Compression: 14.4:1 (Forged Replica), A – 80.960mm | Bore: 81.000mm | Compression: 14.5:1 (Forged Replica), A – 87.960mm | Bore: 88.000mm | Compression: 12.3:1 (Forged Replica), A – 87.960mm | Bore: 88.000mm | Compression: 13.6:1 (Forged Replica), A – 87.960mm | Bore: 88.000mm | Compression: 14.0:1 (Forged Replica), A – 94.950mm | Bore: 95.000mm | Compression: 11.8:1 (Forged Replica), A – 94.950mm | Bore: 95.000mm | Compression: 12.6:1 (Forged Replica), A – 94.950mm | Bore: 95.000mm | Compression: 13.1:1 (Forged Replica), AB – 39.460mm | Bore: 39.500mm | Compression: Std (Cast Replica), AB – 44.960mm | Bore: 45.000mm | Compression: Std (Cast Race Evolution), AB – 44.960mm | Bore: 45.000mm | Compression: Std (Cast Replica), B – 46.950mm | Bore: 47.000mm | Compression: Std (Cast Race Evolution), B – 46.950mm | Bore: 47.000mm | Compression: Std (Cast Race), B – 46.950mm | Bore: 47.000mm | Compression: Std (Cast Replica), B – 53.950mm | Bore: 54.000mm | Compression: Std (Cast Race Evolution), B – 53.950mm | Bore: 54.000mm | Compression: Std (Cast Race), B – 53.950mm | Bore: 54.000mm | Compression: Std (Cast Replica), B – 53.950mm | Bore: 54.000mm | Compression: Std (Forged Pro Race), B – 57.950mm | Bore: 58.000mm | Compression: Std (Cast Race), B – 57.950mm | Bore: 58.000mm | Compression: Std (Cast Replica), B – 66.350mm | Bore: 66.400mm | Compression: Std (Cast Replica), B – 66.350mm | Bore: 66.400mm| Compression: Std (Cast Replica), B – 71.935mm | Bore: 72.000mm | Compression: Std (Cast Replica), B – 71.950mm | Bore: 72.000mm | Compression: Std (Cast Replica), B – 77.970mm | Bore: 78.000mm | Compression: 12.8:1 (Forged Replica), B – 77.970mm | Bore: 78.000mm | Compression: 14.4:1 (Forged Replica), B – 78.960mm | Bore: 79.000mm | Compression: 13.5:1 (Forged Replica), B – 78.960mm | Bore: 79.000mm | Compression: 13.6:1 (Forged Replica), B – 80.970mm | Bore: 81.000mm | Compression: 14.5:1 (Forged Replica), B – 87.970mm | Bore: 88.000mm | Compression: 12.3:1 (Forged Replica), B – 87.970mm | Bore: 88.000mm | Compression: 13.6:1 (Forged Replica), B – 87.970mm | Bore: 88.000mm | Compression: 14.0:1 (Forged Replica), B – 94.960mm | Bore: 95.000mm | Compression: 11.8:1 (Forged Replica), B – 94.960mm | Bore: 95.000mm | Compression: 12.6:1 (Forged Replica), B – 94.960mm | Bore: 95.000mm | Compression: 13.1:1 (Forged Replica), B- 94.960mm | Bore: 95.000mm | Compression: 12.6:1 (Forged Replica), O/S – 80.960mm | Bore: 81.000mm | Compression: 14.4:1 (Forged Big Bore)
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