Pro Circuit RV Works Pipe – Yamaha YZ125 (2005–2021)
The original Works pipe—unparalleled performance with that iconic unplated finish. The Pro Circuit RV delivers horsepower and torque gains across the entire RPM range with Rev tuning that pushes power to the top end. True works bike aesthetics.
The Pro Circuit RV Works Pipe (PY05125-RV) features unplated, oiled metal finish for that authentic factory race bike look. RV (Rev) tuning focuses power delivery in the mid-to-upper RPM range—perfect for wide-open tracks and riders who love top-end rush. Precision-engineered expansion chamber design delivers noticeable gains throughout the powerband. Requires maintenance to preserve the raw metal finish.
What's Included
- Pro Circuit RV Works Pipe – unplated finish
- Mounting hardware and springs
Key Features
- Unparalleled Performance – championship-proven design
- RV (Rev) Tuning – mid-to-top RPM focus
- Horsepower & Torque Gains – across entire RPM range
- Unplated Oiled Metal Finish – authentic "Works Look"
- Precision Engineering – decades of championship experience
- Race-Proven Design – straight from factory race bikes
- Requires maintenance – oil finish periodically to prevent rust
Fitment
- 2005–2021 Yamaha YZ125
Install Notes
- Direct bolt-on replacement for stock pipe
- Installation time: 1–2 hours
- Intermediate mechanical skill recommended
- May require jetting adjustment for optimal performance
- Maintenance: Oil finish regularly to prevent corrosion
- Recommended pairing: Pro Circuit Ti-2 or R-304 silencer
📦 Shipping Information
In-Stock Items:
- Most parts ship next business day
- Modquad parts: Monday–Thursday dispatch
Made-to-Order Items:
- Custom swingarms & A-arms: 2–4 weeks
- EVP exhaust systems: 2–4 weeks
- Sneakers: 1–2 weeks
Stock Guarantee: Items marked "In Stock" ship immediately. Made-to-order items are built fresh for you.
Questions? Contact us—we respond within 24 hours.