Yamaha 137-14143-64-00 - Main # Jet 320 is a genuine Yamaha part. It is an original equipment replacement part for select Yamaha ATVs, motorcycles, and snowmobiles.

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Key Features & Benefits

• Genuine Yamaha OEM part, number 137-14143-64-00.
• Fits 14 Yamaha models from 1974 to 1994.
• Direct replacement for the original part on the listed Yamaha models.

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Fits These Yamaha Models

• EX570 Exciter - 1988-1990
• EX570 Exciter II - 1991-1993
• EX570E Exciter Deluxe - 1988-1989
• EX570H High Altitude - 1990
• View More - see the Fitment tab for full compatibility details

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Frequently Asked Questions

What is Yamaha part 137-14143-64-00?

137-14143-64-00 is a genuine Yamaha main # jet 320 for select Yamaha ATVs, motorcycles, and snowmobiles.

Is 137-14143-64-00 a genuine Yamaha part?

Yes, 137-14143-64-00 is a genuine Yamaha OEM part.

Which Yamaha models fit 137-14143-64-00?

This part fits the EX570 Exciter (1988-1990), EX570 Exciter II (1991-1993), EX570E Exciter Deluxe (1988-1989), EX570H High Altitude (1990), plus 10 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.