Yamaha 31G-12158-00-00 - Lock Nut is a genuine Yamaha part. It is an original equipment replacement part for select Yamaha ATVs, motorcycles, and side-by-sides.

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Key Features & Benefits

• Genuine Yamaha OEM part, number 31G-12158-00-00.
• Fits 53 Yamaha models from 1980 to 2016.
• Direct replacement for the original part on the listed Yamaha models.

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Fits These Yamaha Models

• BW350 - 1987-1988
• SR250 - 1982
• TT250 - 1981
• XT250 - 1980, 1982
• View More - see the Fitment tab for full compatibility details

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Frequently Asked Questions

What is Yamaha part 31G-12158-00-00?

31G-12158-00-00 is a genuine Yamaha lock nut for select Yamaha ATVs, motorcycles, and side-by-sides.

Is 31G-12158-00-00 a genuine Yamaha part?

Yes, 31G-12158-00-00 is a genuine Yamaha OEM part.

Which Yamaha models fit 31G-12158-00-00?

This part fits the BW350 (1987-1988), SR250 (1982), TT250 (1981), XT250 (1980, 1982), plus 49 additional models. View the full fitment list in the Fitment tab to confirm your exact model and year before ordering.

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WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.