Rear Drive Sprocket 51T 428 Chain Steel Compatible with Honda XR 100R CRF 100F 1985-2013 99cc Single-Cylinder SOHC Air-Cooled Motorcycle 41201-KN4-000

CRF 100F MODELS:
• CRF 100F 99cc SOHC 8HP Trail

XR 100R:
• XR 100R 99cc SOHC 8HP Trail

SPROCKET SPECIFICATIONS:
• Position: Rear (Drive) / Number of Teeth: 51 / Chain Size: 428
• Material: Steel / Bolt Pattern: 4-Bolt / Condition: New
• Engine: 99cc Single-Cylinder SOHC 2-Valve 4-Stroke Air-Cooled, 7.3kW (10HP) @ 9,500 RPM, 7.9 Nm @ 7,000 RPM
• Transmission: 5-Speed Manual / Stock Gearing: 14T Front / 50T Rear

OEM PART NUMBERS:
• Honda: 41201-KN4-000 / 41201KN4000

51 TOOTH REAR DRIVE SPROCKET - Honda XR 100 / CRF 100F 428 Chain:
Brand new steel rear sprocket with 51 teeth and 4-bolt mounting pattern for all Honda XR 100 / CRF 100F Motorcycle models 1985-2013. Designed for 428 pitch chain compatibility. Precision-manufactured replacement for the 99cc Single-Cylinder SOHC Air-Cooled engine platform across all XR 100 / CRF 100F variants. 51T gearing provides more low-end torque compared to stock 50T configuration.

⚠️ IMPORTANT: Verify OEM part number before ordering to ensure proper fitment.