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519-CDS2572P
About NICHE
NICHE provides Powersports replacement parts. Some of the NICHE product categories include cylinders, brake pads, axles, off-road mirrors, and drive chains. NICHE parts are here for when you need them the most.
NICHE Drive Sprocket Part Number 519-CDS2572P
- Includes: Rear Drive Sprocket
- Compatible with the following brands: Yamaha
- Compatible with the following models: WR250F Team Yamaha, WR250F, WR400F, WR426F, WR450F Team Yamaha, WR450F, YZ250(YZ250F), YZ250 50th Anniversary Edition, YZ250 Monster Energy Yamaha Racing Edition, YZ250F 60th Anniversary Edition: , YZ250F Monster Energy Yamaha Racing Edition, YZ250F Team Yamaha, YZ250FX, YZ250X, YZ125X, YZ450F
- Replaces for the following OEM MPN's: 17D-25450-50-00, 5TJ-25450-80-00
- Material: Steel
- Sprocket Pitch: 420
- Rear Sprocket Teeth: 50
- Surface Finish: Sand Blast
- Surface Treatment: Galvanizing
- Compatible Vehicle Type: Motorcycle
NICHE DRIVE SPROCKET
What is a Drive Sprocket?
- Sprockets are rotating parts with teeth that are used in conjunction with a chain to transmit power
- In order for sprockets and chain to be compatible with each other they must both have the same thickness and pitch.
- In order for the sprockets and chain to work effectively, all of the sprockets should be on parallel shafts with their corresponding teeth on the same plane.
Parts of a Sprocket
- Number of Teeth - The total number of teeth (projections) around the whole circumference of a sprocket
- Pitch Diameter (PD) - An imaginary circle which is traced by the center of the chain pins when the sprocket rotates while meshed with a chain
- Pitch - The amount of pitch diameter in inches per tooth. Gears with a larger pitch will have bigger teeth
When to Replace?
- Check how well the chain meshes with the sprocket teeth. In a healthy chain and sprocket combo, the individual chain rollers align perfectly with the spaces between the sprocket teeth and fit down into those U-shaped grooves evenly
- Look closely at the sprocket teeth to see if they have become sharp at the tips and/or slightly curled. The teeth on a new sprocket are straight and have a flat or domed shape at the tip, If the teeth are sharp, the sprocket is worn
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