PARTS UNLIMITED - K22-3602 - Rear Sprocket - 45 Tooth - Yamaha
The PARTS UNLIMITED K22-3602 is a 45-tooth rear sprocket sized for 428-chain systems on 1969-1976 Yamaha enduro and dirt bikes (including the AT-1 125 Enduro, AT-2 125 M, and TY175), manufactured to OEM specifications using high-grade hardened steel with precision-machined splines and teeth — a direct fit for OEM part numbers 15A-25445-10 and 1KH-25445-10.
Features
- Manufactured to OEM specs using high-grade hardened steel for long life
- Match original equipment exactly and feature precision-machined splines and teeth for a perfect fit
OEM Part Numbers: 15A-25445-10, 1KH-25445-10
Specs
- Type: Drive
- Chain Size: 428
- Product Name: Sprocket
- Tooth Count: 45
- Riding Style: Off-Road
- Color/Finish: Black
- Material: Steel
- Riding Style: Adventure Touring / Dual-Sport
- Riding Style: Street
- Units: Each
- Mounting Position: Rear
OEM Part Numbers
- 15A-25445-10, 1KH-25445-10
Frequently Asked Questions - PARTS UNLIMITED - K22-3602 - Rear Sprocket - 45 Tooth - Yamaha
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.
