Renthal Sprocket - 16T - 520 Pitch
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Product Information
Full details
The Renthal 16T 520 pitch steel sprocket is engineered for owners of the Yamaha TRX 850 (1996-1999) who prioritize drivetrain longevity and precise power delivery. This high-grade steel component offers an excellent balance of durability and performance, making it an ideal choice for riders looking to restore factory-spec handling or optimize acceleration. While it provides a significant upgrade in material quality over standard OEM parts, users should note that improper installation or mismatched chain pitches will lead to premature wear and potential mechanical failure.
All features
| Model Part Number | 455U-520-16 |
|---|---|
| Brand | Renthal |
Extended Product Information
FAQs
Can I use this sprocket with a 530 chain?
No. This sprocket is specifically machined for a 520 pitch chain. Using a 530 chain will result in improper seating, severe vibration, and mechanical failure.
How do I know if I need to replace my front sprocket?
Replace the sprocket if the teeth appear 'hooked' or pointed rather than rounded, or if there is visible chipping or heavy scoring on the tooth surfaces.
Does this sprocket come with the retaining nut or lock washer?
No. The package includes the sprocket only; you should reuse your existing mounting hardware or purchase new OEM fasteners.
Is this sprocket suitable for track use?
Yes, Renthal steel sprockets are highly durable and suitable for both street and track-day applications on the Yamaha TRX 850.
Does the tooth count affect my speedometer?
If your speedometer reads from the transmission/front sprocket output, changing the tooth count from the stock size will cause the speedometer to display an incorrect speed.
Troubleshooting
Increased drivetrain noise after installation
Verify that the sprocket is aligned correctly and check if the chain is properly tensioned and lubricated.
Sprocket teeth showing premature wear
This often occurs when using a new sprocket with an old, stretched chain. Always replace the chain and both sprockets as a complete set.
Pros and Cons
Pros
- Superior wear resistance compared to standard sprockets
- Exact fitment for 1996-1999 Yamaha TRX 850 models
- Optimized tooth profile for smoother power delivery
- Excellent durability under high-stress riding conditions
Cons
- Compatible only with 520 pitch chains
- Requires professional installation for optimal alignment
- Steel construction is heavier than aluminum alternatives
Setup, Compatibility & Care
Compatibility
This sprocket (MPN: 455U-520-16) is designed exclusively for the 1996-1999 Yamaha TRX 850. Verify that your motorcycle is currently configured for a 520 pitch drivetrain before purchase.
Setup
- Secure the motorcycle on a paddock stand.
- Remove the front sprocket cover.
- Flatten the lock washer tabs and remove the retaining nut.
- Slide the old sprocket off and install the Renthal sprocket, ensuring the recessed side faces the correct direction.
- Torque the retaining nut to the manufacturer's specified setting.
Care
- Regularly clean your chain and sprocket assembly to remove road grit and old grease.
- Inspect the sprocket teeth every 3,000 miles for signs of 'hooking' or wear.
- Ensure chain tension is adjusted to factory specifications to prevent unnecessary stress on the sprocket teeth.