BOLD MAGENTA part numbers are new for 2023 SPROCKETS PARTSCANADA .COM OFFROAD | 2023 321 JT SPROCKETS continued on next page. JT SPROCKETS • Computer-designed to achieve ultimate strength at minimum weight • JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value • Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry • Sprockets are heat-treated and bead-blasted to reduce material surface tension • Unless noted, front sprockets are made with C45 steel and SCM415 chromoly steel alloy; rear sprockets are made with top-quality-grade C45 high-carbon steel • Aluminum rear sprockets are made with high-strength Austrian 7075-T6 anodized aluminum • JT aluminum sprockets are about 30% lighter than a comparable steel equivalent, which reduces unsprung rotating weight and improves performance • Lightweight front sprockets available for some applications as noted FITS MODEL STOCK GEARING STOCK CHAIN FRONT SIZE PART # NOTES REAR SIZE PART # NOTES BETA 250RR 2T 13-14 13-49 520-114 12 JTF1901-12 47 JTR210-47 ST 300RR 2T 13-14 13-49 520-114 13 1212-0513 LW 48 1210-2435 SC 13 1212-0513 LW 50 JTR210-50 ST 14 1212-0514 LW 51 1210-2438 SC 52 JTR210-52 ST 53 JTR210-53 ST 350RR 12 13-50 520-114 12 JTF1901-12 42 JTR822-42 ST 400RR 10-12 13-50 520-114 13 1212-0513 LW 450RR 10-12 13-50 520-112 14 1212-0514 LW 498 RR 12 13-50 520-112 520RR 10-11 13-50 520-112 430 RR 15-18 13-50 520-112 - - 47 JTR210-47 ST 430 RS 15-16 13-50 520-112 48 JTR210-48 ST 450 RR 13-14 13-50 520-112 48 1210-2435 SC 480 RR 15-18 13-50 520-112 50 JTR210-50 ST 498 RR 13-16 13-50 520-112 51 JTR210-51 ST 51 1210-2438 SC 52 JTR210-52 ST 53 JTR210-53 ST BMW G450X 08-10 15-48 520-114 15 1212-0767 - - F700GS 13-17 17-42 525-116 - - 42 1210-0639 ST F800GS 08-12 16-42 525-116 - - 42 1210-0639 ST F800GS 13-17 17-42 525-116 42 1210-0639 ST GAS GAS 125EC/ XC 03-11 13-48 520-112 13 JTF564-13 42 JTR822-42 ST 250EC/ XC 00-11 13-47 520-114 13 1212-0605 42 JTR822-42 ST 300EC/ XC 00-11 13-47 520-114 13 1212-0605 42 JTR822-42 ST SM400 03-04 13-42 520-112 13 1212-0605 42 JTR822-42 ST SM450 03-04 13-42 520-112 13 1212-0605 42 JTR822-42 ST FITS MODEL STOCK GEARING STOCK CHAIN FRONT SIZE PART # NOTES REAR SIZE PART # NOTES HONDA Z50A 69-78 12-37 420-76 13 JTF252-13 37 1210-0085 ST Z50R 79-81 12-37 420-76 14 JTF252-14 Z50R 82-87 13-37 420-76 15 JTF252-15 Z50R 88-99 14-37 420-76 Z50RD 86, 92-93 CRF50F 04-16/ 14-37 420-78 13 JTF1256-13 37 1212-0232 ST XR50R 00-04 14 JTF1256-14 15 JTF1256-15 CR60R 83-84 14-45 420-104 - - 36 JTR1214-36 ST 46 JTR1214-46 ST CT70 69-71 15-38 420-88 - - 35 JTR256-35 ST CT70H 70-72 14-45 420-92 CT70 91-94 15-35 420-86 SL70 71-72 13-44 420-96 XL70 74-76 13-44 420-96 XR70R 97-99 15-36 420-86 - - 36 JTR1214-36 ST 46 JTR1214-46 ST CRF70 04-12/ 15-36 420-86 13 JTF1256-13 36 JTR1214-36 ST XR70R 00-04 14 JTF1256-14 46 JTR1214-46 ST 15 JTF1256-15 XL75 77-79 14-36 420-94 13 JTF252-13 35 JTR256-35 ST XR75 73-76 14-44 420-100 14 JTF252-14 36 JTR256-36 ST XR75 77-78 14-46 420-100 15 JTF252-15 CRF80F 04-13 14-46 420-110 13 JTF252-13 36 JTR1214-36 ST 14 JTF252-14 46 JTR1214-46 ST 15 JTF252-15 CR80R 82-83 14-47 420-112 - - 46 JTR1214-46 ST CR80R 84 14-49 420-114 CR80R 85 15-49 420-114 - - 49 JTR215-49 ST 56 1212-0117 ST SELF-CLEANING SPROCKETS “SC” • Manufactured with self-cleaning grooves for added life and performance • Made of stainless steel NOTE: When installing sprockets which differ from OEM sizes, check for proper clearances before operating. KEY TO NOTES: LW = Lightweight front. ST = Steel. AL = Aluminum. SC = Self-cleaning steel. Aluminum Self Cleaning Steel
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