Application:
(Required)
2-Stroke CR80 Pro-Lite ‘86-91 Bore mm 47.00
2-Stroke CR80 Pro-Lite ‘86-91 Bore mm 48.00
2-Stroke CR80 Pro-Lite 92-02 Bore mm 47.00
2-Stroke CR80 Pro-Lite 92-02 Bore mm 47.50
2-Stroke CR80 Pro-Lite 92-02 Bore mm 48.00
2-Stroke CR80 Pro-Lite 92-02 Bore mm 49.00
2-Stroke CR80 Racer’s Choice Supermini ‘93-06 Bore mm 52.00
2-Stroke CR85 Pro-Lite Nikasil Bore ‘03-07 Bore mm 47.50
2-Stroke CR85 Pro-Lite Nikasil Bore ‘03-07 Bore mm 48.00
2-Stroke CR85 Pro-Lite Nikasil Bore ‘03-07 Bore mm 48.50
2-Stroke CR85 Pro-Lite Nikasil Bore ‘03-07 Bore mm 49.50
2-Stroke CR85 Pro-Lite Nikasil Bore ‘03-07 Bore mm 50.50
2-Stroke CR125R Pro-Lite ‘87 Bore mm 54.00
2-Stroke CR125R Pro-Lite ‘87 Bore mm 56.00
2-Stroke CR125R Pro-Lite 1989 is Nikasil requires resleeving ‘88-89 Bore mm 54.50
2-Stroke CR125R Pro-Lite 1989 is Nikasil requires resleeving ‘88-89 Bore mm 56.00
2-Stroke CR125R Pro-Lite ‘92-97 Bore mm 54.00
2-Stroke CR125R Pro-Lite ‘92-97 Bore mm 54.50
2-Stroke CR125R Pro-Lite ‘92-97 Bore mm 55.00
2-Stroke CR125R Pro-Lite ‘92-97 Bore mm 56.00
2-Stroke CR125R Racer’s Choice GP Style ‘95-97 Bore mm 54.00
2-Stroke CR125R Pro-Lite ‘98-99 Bore mm 54.00
2-Stroke CR125R Pro-Lite ‘98-99 Bore mm 54.50
2-Stroke CR125R Pro-Lite ‘98-99 Bore mm 55.00
2-Stroke CR125R Pro-Lite ‘98-99 Bore mm 56.00
2-Stroke CR125R Racer’s Choice GP Style ‘98-99 Bore mm 54.00
2-Stroke CR125R Pro-Lite ‘00 Bore mm 54.00
2-Stroke CR125R Pro-Lite ‘00 Bore mm 56.00
2-Stroke CR125R Racer’s Choice GP Style ‘00-02 Bore mm 54.00
2-Stroke CR125R Racer’s Choice GP Style ‘00-02 Bore mm 56.00
2-Stroke CR125R Pro-Lite ‘01-02 Bore mm 54.00
2-Stroke CR125R Pro-Lite ‘01-02 Bore mm 54.50
2-Stroke CR125R Pro-Lite ‘01-02 Bore mm 55.00
2-Stroke CR125R Pro-Lite ‘01-02 Bore mm 56.00
2-Stroke CR125R Racer’s Choice GP Style ‘03 Bore mm 54.00
2-Stroke CR125R Racer’s Choice GP Style ‘03 Bore mm 56.00
2-Stroke CR125R Pro-Lite ‘03 Bore mm 54.00
2-Stroke CR125R Pro-Lite ‘03 Bore mm 56.00
2-Stroke CR125R Racer’s Choice GP Style Electra Coated ‘04 Bore mm 54.00
2-Stroke CR125R Racer’s Choice GP Style Electra Coated ‘04 Bore mm 56.00
2-Stroke CR125R Racer’s Choice GP Style Electra Coated ‘04 Bore mm 57.00
2-Stroke CR125R Pro Lite ‘05-07 Bore mm 54.00
2-Stroke CR125R Racer’s Choice GP Style ‘05-07 Bore mm 54.00
2-Stroke CR250 Pro-Lite ‘90-91 66.40 | 2-Stroke CR250 Pro-Lite ‘90-91 66.40
2-Stroke CR250R *Chrome Bore - Cylinder sleeving ‘78-80 Bore mm 70.50
2-Stroke CR250R *Chrome Bore - Cylinder sleeving ‘78-80 Bore mm 71.00
2-Stroke CR250R *Chrome Bore - Cylinder sleeving ‘78-80 Bore mm 71.50
2-Stroke CR250 Pro-Lite ‘86-89 Bore mm 66.40
2-Stroke CR250 Pro-Lite ‘86-89 Bore mm 67.00
2-Stroke CR250 Pro-Lite ‘86-89 Bore mm 67.50
2-Stroke CR250 Pro-Lite ‘92-96 Bore mm 66.40
2-Stroke CR250 Pro-Lite ‘92-96 Bore mm 67.00
2-Stroke CR250 Pro-Lite ‘92-96 Bore mm 68.50
2-Stroke CR250R Racer’s Choice Single Ring ‘97-01 Bore mm 66.40
2-Stroke CR250R Pro-Lite ‘97-01 Bore mm 66.40
2-Stroke CR250R Pro-Lite ‘97-01 Bore mm 67.00
2-Stroke CR250R Pro-Lite ‘97-01 Bore mm 67.50
2-Stroke CR250R Pro-Lite ‘97-01 Bore mm 68.00
2-Stroke CR250R Pro-Lite ‘97-01 Bore mm 68.50
2-Stroke CR250 Pro-Lite ‘02-04 Bore mm 66.40
2-Stroke CR250 Pro-Lite ‘02-04 Bore mm 67.50
2-Stroke CR250 Pro-Lite ‘02-04 Bore mm 68.50
2-Stroke CR250 ‘05-07 Bore mm 66.40
2-Stroke CR480R ‘82-83 Bore mm 89.00
2-Stroke CR500 ‘84 Bore mm 89.50
2-Stroke CR500 ‘84 Bore mm 90.50
2-Stroke CR500 ‘84 Bore mm 91.00
2-Stroke CR500 ‘85-88 Bore mm 89.50
2-Stroke CR500 ‘85-88 Bore mm 90.50
2-Stroke CR500 ‘89-01 Bore mm 89.00
2-Stroke CR500 ‘89-01 Bore mm 89.50
2-Stroke CR500 ‘89-01 Bore mm 90.00
2-Stroke CR500 ‘89-01 Bore mm 90.50
2-Stroke CR500 ‘89-01 Bore mm 91.00
4-Stroke XR50 ‘88-08 Bore mm 39.00
4-Stroke CRF50F 11:1 Compression ‘04-13 Bore mm 39.50
4-Stroke XR70 ‘97-03 Bore mm 47.00
4-Stroke CRF70F 10.5:1 Compression ‘04-12 Bore mm 47.50
4-Stroke CRF70F 10.5:1 Compression ‘04-12 Bore mm 48.00
4-Stroke XR80 9.7:1 Compression ‘79-91 Bore mm 48.00
4-Stroke XR80 9.7:1 Compression ‘79-91 Bore mm 48.50
4-Stroke XR80 9.7:1 Compression ‘79-91 Bore mm 49.00
4-Stroke XR80 9.7:1 Compression ‘79-91 Bore mm 49.50
4-Stroke XR80 ‘92-03 Bore mm 48.00
4-Stroke CRF80F 9.7:1 Compression ‘04-13 Bore mm 48.50
4-Stroke CRF80F 9.7:1 Compression ‘04-13 Bore mm 49.00
4-Stroke XR100 ‘81-84 Bore mm 53.50
4-Stroke XR100R 9.4:1 Compression ‘85-91 54.00
4-Stroke XR100R 9.4:1 Compression ‘85-91 Bore mm 55.00
4-Stroke XR100 ‘92-03 Bore mm 53.50
4-Stroke CRF100F 9.4:1 Compression ‘04-13 Bore mm 54.00
4-Stroke CRF100F 9.4:1 Compression ‘04-13 Bore mm 55.00
4-Stroke CRF150R 11.7:1 Compression ‘07-09 Bore mm 66.00
4-Stroke CRF150R 11.7:1 Compression ‘07-09 Bore mm 68.00
4-Stroke CRF150R 66mm = 12.2:1 Compression , 68mm = 12.4:1 Compression ‘07-09 Bore mm 66.00
4-Stroke CRF150R 66mm = 12.2:1 Compression , 68mm = 12.4:1 Compression ‘07-09 Bore mm 68.00
4-Stroke XR / XL185 + .100 Big Bore 10:1 Compression ‘86-91 Bore mm 65.50
4-Stroke XR / XL185 + .100 Big Bore 10:1 Compression ‘86-91 Bore mm 66.00
4-Stroke XR / XL185 + .100 Big Bore 10:1 Compression ‘86-91 Bore mm 66.50
4-Stroke XR / XL185 + .100 Big Bore 10:1 Compression ‘86-91 Bore mm 67.00
4-Stroke XR / XL185 + .100 Big Bore ‘92-02 Bore mm 65.50
4-Stroke XR200 10:1 Compression Cylinder boring required for oversizes ‘92-02 Bore mm 66.00
4-Stroke XR200 10:1 Compression Cylinder boring required for oversizes ‘92-02 Bore mm 66.50
4-Stroke XR200 10:1 Compression Cylinder boring required for oversizes ‘92-02 Bore mm 67.00
4-Stroke XR200 10:1 Compression Cylinder boring required for oversizes ‘80-83 Bore mm 65.50
4-Stroke XR200 10:1 Compression Cylinder boring required for oversizes ‘80-83 Bore mm 66.00
4-Stroke XR200 10:1 Compression Cylinder boring required for oversizes ‘80-83 Bore mm 66.50
4-Stroke XR250 ‘86-04 Bore mm 73.00
4-Stroke XRL250 10.5:1 Compression ‘91-96 Bore mm 73.50
4-Stroke XRL250 10.5:1 Compression ‘91-96 Bore mm 74.00
4-Stroke XRL250 10.5:1 Compression ‘91-96 Bore mm 77.00
4-Stroke XRL250 10.5:1 Compression ‘91-96 Bore mm 78.00
4-Stroke CRF250X 12.9:1 Stock Compression ‘04-09 Bore mm 78.00 | 4-Stroke CRF250R 12.9:1 Stock Compression ‘04-07 Bore mm 78.00
4-Stroke CRF250X 13.5:1 High-Compression ‘04-09 ,‘12-15 Bore mm 78.00 | 4-Stroke CRF250R 13.5:1 High-Compression ‘04-07 Bore mm 78.00
4-Stroke CRF250R 13.1:1 Stock Copmpression 08-09 Bore mm 78.00
4-Stroke CRF250R 13.6:1 High-Compression 08-09 Bore mm 78.00
4-Stroke CRF250R 13.2:1 Stock Copmpression ‘10-13 Bore mm 76.80
4-Stroke CRF250R 14.2:1 High-Compression ‘10-13 Bore mm 76.80
4-Stroke CRF250R 13.5:1 Stock Copmpression ‘14-15 Bore mm 76.80
4-Stroke XR400 10:1 Compression Cylinder boring required for oversizes ‘96-04 Bore mm 85.00
4-Stroke XR400 10:1 Compression Cylinder boring required for oversizes ‘96-04 Bore mm 85.50
4-Stroke XR400 10:1 Compression Cylinder boring required for oversizes ‘96-04 Bore mm 86.00
4-Stroke XR400 10:1 Compression Cylinder boring required for oversizes ‘96-04 Bore mm 87.00
4-Stroke XR400 10:1 Compression Cylinder boring required for oversizes ‘96-04 Bore mm 88.00
4-Stroke XR400 11:1 High-Compression ‘96-04 Bore mm 85.00
4-Stroke XR400 11:1 High-Compression ‘96-04 Bore mm 85.50
4-Stroke XR400 11:1 High-Compression ‘96-04 Bore mm 86.00
4-Stroke XR400 11:1 High-Compression ‘96-04 Bore mm 87.00
4-Stroke XR400 11:1 High-Compression ‘96-04 Bore mm 88.00
4-Stroke XR400 440 Overbore, 11:1 Compression ‘96-04 Bore mm 89.00
4-Stroke CRF450R 11.5:1 Stock Compression ‘02-03 Bore mm 96.00
4-Stroke CRF450R 12:1 Compression (Stock for 2004) ‘02-08 Bore mm 96.00
4-Stroke CRF450R 12.5:1 High-Compression ‘02-08 Bore mm 96.00
4-Stroke CRF450R 13:1 High-Compression ‘02-08 Bore mm 96.00
4-Stroke CRF450R 13.5:1 High-Compression ‘02-08 Bore mm 96.00
4-Stroke CRF450R 12:1 Stock Compression ‘09-12 Bore mm 96.00
4-Stroke CRF450R 13:1 High-Compression ‘09-12 Bore mm 96.00
4-Stroke CRF450R 12.5:1 Stock Compression ‘13-14 Bore mm 96.00
4-Stroke CRF450R 13:1 Stock Compression ‘13-14 Bore mm 96.00
4-Stroke CRF450X 11.5:1 Stock Compression ‘05-06 Bore mm 96.00
4-Stroke CRF450X 12:1 Compression ‘05-09 ,‘12-15 Bore mm 96.00
4-Stroke CRF450X 12.5:1 High-Compression ‘05-09 ,‘12-15 Bore mm 96.00
4-Stroke CRF450X 13:1 High-Compression ‘05-09 ,‘12-15 Bore mm 96.00
4-Stroke XR650C 100-101mm 8.7:1 compression,102.41mm 9:1 compression ‘93-99 Bore mm 100.00
4-Stroke XR650C 100-101mm 8.7:1 compression,102.41mm 9:1 compression ‘93-99 Bore mm 101.00
4-Stroke XR650L 100-101mm 8.7:1 compression,102.41mm 9:1 compression ‘93-99 Bore mm 102.40
4-Stroke CRF250R 14.0:1 High-Compression 14-15 76.80
WARNING: Cancer and/or Reproductive Harm - www.P65Warnings.ca.gov
