RFX Throttle Handle Tube for Yamaha YZ 80/85 1983-2021

Upgrade your throttle with the RFX throttle tube — a perfect fit for Yamaha YZ 80 and YZ 85 from 1983 through 2021!

This premium RFX throttle tube is made from strong, wear-resistant plastic and delivers exceptionally smooth, precise throttle control. The RFX throttle tube fits perfectly on your Yamaha YZ 80/85’s original throttle, so no modifications are required. Thanks to its smooth surface and precise tolerances, you’ll immediately notice a much lighter, more responsive throttle feel — ideal for quick starts, technical sections, and full-throttle runs on the MX track.

Whether you’re restoring a classic YZ 80/85, maintaining a youngtimer, or prepping a bike for the 85cc motocross class: this RFX throttle tube will restore that factory-fresh, smooth throttle feel to your ride. It’s easy to install in just a few minutes and ready to use right away.

✅ RFX throttle tube for Yamaha YZ 80/85 ✅ Fits 1983 through 2021 model years ✅ Smoother, more responsive throttle control ✅ Strong, wear-resistant material ✅ Direct replacement — no adjustments needed ✅ Perfect for daily motocross, practice sessions, and races