| Model |
250EXC-F (17-22), 250SX-F (16-22), 250XC-F (16-22), 350SX-F (11-12), 350SX-F (13-15), 350XC-F (13-15), 450EXC-F (17-23), 450SX-F (03-06), 505SX-F (07-09), CRF150R (07-09|12-23), CRF250R (04-07), CRF250X (04-17), CRF250R (08-09), CRF250R (10-13), CRF250R (15-17), CRF250R (18-19), CRF250RX (19), CRF450R (02-08), CRF450X (05-17), CRF450R (09-12), CRF450R (17-18), CRF450RX (17-18), EC250F (21-23), MC250F (21-23), FC250 (16-22), FE250 (17-23), FC350 (14-15), FE450 (17-23), KX250F (10), KX250F (20), KX450F (13-14|16-18), LTR450 (06-09), YFM700R Raptor (06-09|11-14), YFZ450 (04-09|12-13), YFZ450R (09-22), YFZ450X (10-11), YZ450F (14-18), WR450F (16-18), YZ450F (18-19), YZ450FX (19), WR450F (19-20)
|
| Piston Size |
A – 65,970mm | Bore: 66,000mm | Compression: 12.2:1 | 150cc, A – 76,760mm | Bore: 76,800mm | Compression: 14.1:1 | 250cc, A – 76,950mm | Bore: 77,000mm | Compression: 13.8:1 | 250cc, A – 77,950mm | Bore: 78,000mm | Compression: 14.8:1 | 250cc, A – 77,960mm | Bore: 78,000mm | Compression: 14.7:1 | 250cc, A – 78,960mm | Bore: 79,000mm | Compression: 14.6:1 | 250cc, A – 87,960mm | Bore: 88,000mm | Compression: 14.0:1 | 350cc, A – 87,960mm | Bore: 88,000mm | Compression: 14.1:1 | 350cc, A – 94,950mm | Bore: 95,000mm | Compression: 12.8:1 | 450cc, A – 94,950mm | Bore: 95,000mm | Compression: 13.0:1 | 450cc, A – 95,450mm | Bore: 95,500mm | Compression: 13.0:1 | 450cc, A – 95,960mm | Bore: 96,000mm | Compression: 14.4:1 | 450cc, A – 96,940mm | Bore: 97,000mm | Compression: 13.5:1 | 450cc, A – 99,940mm | Bore: 100,000mm | Compression: 12.5:1 | 505cc, B – 101,960mm | Bore: 102,000mm | Compression: 11.0:1 | 700cc, B – 65,980mm | Bore: 66,000mm | Compression: 12.2:1 | 150cc, B – 76,770mm | Bore: 76,800mm | Compression: 13.9:1 | 250cc, B – 76,770mm | Bore: 76,800mm | Compression: 14.1:1 | 250cc, B – 77,960mm | Bore: 78,000mm | Compression: 13.4:1 | 250cc, B – 77,970mm | Bore: 78,000mm | Compression: 14.7:1 | 250cc, B – 87,970mm | Bore: 88,000mm | Compression: 14.1:1 | 350cc, B – 94,940mm | Bore: 95,000mm | Compression: 13.0:1 | 450cc, B – 94,960mm | Bore: 95,000mm | Compression: 12.8:1 | 450cc, B – 94,960mm | Bore: 95,000mm | Compression: 13.0:1 | 450cc, B – 95,460mm | Bore: 95,500mm | Compression: 13.0:1 | 450cc, B – 95,960mm | Bore: 96,000mm | Compression: 12.5:1 | 450cc, B – 95,960mm | Bore: 96,000mm | Compression: 12.9:1 | 450cc, B – 95,970mm | Bore: 96,000mm | Compression: 13.6:1 | 450cc, B – 96,950mm | Bore: 97,000mm | Compression: 13.5:1 | 450cc, C – 77,970mm | Bore: 78,000mm | Compression: 13.5:1 | 250cc, C – 95,470mm | Bore: 95,500mm | Compression: 13.0:1 | 450cc, C – 96,970mm | Bore: 97,000mm | Compression: 14.6:1 | 449cc
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