BOLD MAGENTA part numbers are new for 2025 PARTS-UNLIMITED.COM 2025 | OFFROAD SPROCKETS SPROCKETS 666 KEY TO NOTES: AL = Aluminum. LW = Lightweight front. RB = Rubber cushioned. SC= Self-cleaning steel. ST = Steel. BLK = RaceLite black aluminum sprocket. BLU = RaceLite blue aluminum sprocket. GLD = RaceLite gold aluminum sprocket. GR = Twinstar, graphite T6 aluminum center with high carbon steel outer ring. ORG = RaceLite orange aluminum sprocket. RED = RaceLite red aluminum sprocket. JT SPROCKETS (CONT) FITS MODEL STOCK GEARING STOCK CHAIN FRONT SIZE PART # NOTES REAR SIZE PART # NOTES HONDA (CONT) CRF250F 19-20 13-50 520- 14 1212-0939 40 1210-0083 ST 42 1210-1726 ST 43 1210-1727 ST 44 1210-0084 ST 45 1210-2492 SC 47 1210-2434 SC 48 1210-2435 SC 49 1210-2436 SC 50 1210-2437 SC 51 1210-2438 SC 52 1210-2439 SC 53 1210-2440 SC CRF250R 04-09 13-51 520- 12 1212-0217 40 1211-2562 RED CRF250R 10 13-48 520-116 13 1212-0503 SC 40 1211-2636 BLK CRF250R 11-17 13-49 520-116 14 1212-0504 SC 42 1210-1726 ST CRF250X 04-06 14-53 520- 42 1211-2563 RED CRF250X 07-13 14-53 520-116 42 1211-2637 BLK 43 1210-1727 ST 44 1210-0084 ST 44 1211-2564 RED 44 1211-2638 BLK 45 1211-2565 RED 45 1211-2639 BLK 46 JTR210-46 ST 46 1211-2566 RED 46 1211-2640 BLK 47 1211-2567 BLK 47 1211-2568 RED 47 1210-2595 GR 48 1211-2569 RED 48 1211-2641 BLK 48 1210-2596 GR 49 1211-2570 RED 49 1211-2642 BLK 50 1211-2571 RED 50 1211-2643 BLK 50 1210-2598 GR 51 1211-2572 RED 51 1211-2644 BLK 52 1211-2573 RED 52 1211-2645 BLK 53 1211-2574 RED 53 1211-2646 BLK CRF250R J 18 13-49 520-116 13 1212-1552 SC 40 1211-2562 RED CRF250R K 19 13-48 520-120 14 1212-1553 SC 40 1211-2636 BLK CRF250R L 20-21 13-48 520-120 42 1210-1726 ST CRF250RX K 19 13-48 520-120 42 1211-2563 RED CRF250RX L 20-21 13-48 520-120 42 1211-2637 BLK 43 1210-1727 ST 44 1210-0084 ST 44 1211-2564 RED 44 1211-2638 BLK 45 1211-2565 RED 45 1211-2639 BLK 46 JTR210-46 ST 46 1211-2566 RED 46 1211-2640 BLK 47 1211-2567 BLK 47 1211-2568 RED 47 1210-2595 GR 48 1211-2569 RED 48 1211-2641 BLK 48 1210-2596 GR 49 1211-2570 RED FITS MODEL STOCK GEARING STOCK CHAIN FRONT SIZE PART # NOTES REAR SIZE PART # NOTES HONDA (CONT) CRF250R J 18 13-49 520-116 13 1212-1552 SC 49 1211-2642 BLK CRF250R K 19 13-48 520-120 14 1212-1553 SC 50 1211-2571 RED CRF250R L 20-21 13-48 520-120 50 1211-2643 BLK CRF250RX K 19 13-48 520-120 50 1210-2598 GR CRF250RX L 20-21 13-48 520-120 51 1211-2572 RED (CONT) 51 1211-2644 BLK 52 1211-2573 RED 52 1211-2645 BLK 53 1211-2574 RED 53 1211-2646 BLK TLR250 85-87 10-39 520-96 13 1212-1938 ST - - 14 1212-1939 ST XL250S 78-81 14-53 520-102 13 1212-1289 ST 41 1210-2697 ST 14 JTF1265-14 RB 42 1210-2698 ST 15 1212-1288 ST 43 JTR2452-43 ST 44 1210-0720 ST 45 JTR2452-45 ST 46 1212-0237 ST 47 JTR2452-47 ST 48 JTR2452-48 ST 49 JTR2452-49 ST 50 JTR2452-50 ST 53 JTR2452-53 ST XL250R 82-83 14-47 520-102 14 JTF281-14 41 1210-2697 ST 15 JTF281-15 42 1210-2698 ST 16 1212-1964 ST 43 JTR2452-43 ST 44 1210-0720 ST 45 JTR2452-45 ST 46 1212-0237 ST 47 JTR2452-47 ST 48 JTR2452-48 ST 49 JTR2452-49 ST 50 JTR2452-50 ST 53 JTR2452-53 ST XL250R 84-87 13-40 520-102 13 JTF328-13 40 JTR260-40 ST 14 JTF328-14 XR250L 91-96 13-40 520-104 11 1212-1316 40 JTR260-40 ST 12 JTF327-12 13 JTF327-13 14 JTF327-14 - XR250 79-80 13-53 520-102 13 1212-1289 ST 41 1210-2697 ST XR250R 81 13-53 520-106 14 JTF1265-14 42 1210-2698 ST XR250R 82-83 13-53 520-104 15 1212-1288 ST 43 JTR2452-43 ST 44 1210-0720 ST 45 JTR2452-45 ST 46 1212-0237 ST 47 JTR2452-47 ST 48 JTR2452-48 ST 49 JTR2452-49 ST 50 JTR2452-50 ST 53 JTR2452-53 ST XR250R 84-85 13-50 520-108 12 JTF328-12 XR250R 86-87 13-48 520-108 13 JTF328-13 14 JTF328-14 XR250R 88-89 13-48 520-108 11 1212-1316 - - 12 JTF327-12 13 JTF327-13 14 JTF327-14 XR250R 90-95 13-48 520-108 12 JTF327-12 39 1210-1448 ST 13 JTF327-13 45 1210-0508 ST 14 JTF327-14 48 1210-0509 ST 15 1212-0571 ST
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