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42T - Rear Sprocket - Yamaha YZF125R

Marsoni M251S
Sale price$38.95
Pay 4 payments of $9.74 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
42T - Rear Sprocket - Yamaha YZF125RMTX SPROCKETS Steel sprockets are strong and durable, heat treated and hand finished for longevity. Designed as an OEM replacement to exceed OEM specifications at a fraction of the price, making them your ideal cost effective solution for replacing old worn and warped sprockets. OEM replacement Exceeds OEM specifications Heat treated and hand finished Note: Image for reference only product may vary slightly for fitment
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 1927 reviews
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P
Verified Purchase
Patrick
Bozeman, US
★★★★★ 5
Good bang for your buck, great quality.
Works great. Most of it is metal and works as a heat sink. Came with two fuses and the adapters for smaller or larger Guage wires. Fit very well and easily for our choice of installation and was a great price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2025
J
Verified Purchase
Jeremy Gardner
Massapequa, US
★★★★★ 5
Good for under the hood
Pretty good heavy duty block. It's got the rubber grommets for the smaller wire if needed.
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Reviewed in the United States on January 1, 2026
K
Verified Purchase
Kindle Customer
Los Angeles, US
★★★★★ 5
Easy install
Excellent easy install
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Reviewed in the United States on February 11, 2026
C
Verified Purchase
Charles L
Charlottesville, US
★★★★★ 5
These are best quality ones ever had since I did been doing car audio
Great quality and durability
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Reviewed in the United States on February 8, 2026
P
Verified Purchase
Patrick Osburn
Dallas, US
★★★★★ 5
Well worth it
Very sturdy and well built.
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Reviewed in the United States on May 23, 2026

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