Fits The Following Bikes: Yamaha YZ250 2003-2023 Silencer Description: The R-304 silencer was developed as a full-race two-stroke silencer. The compact design of the short aluminum canister offers optimum performance gains and is recommended for closed-course racing only. Hex head screws are used to secure...

Hinson Clutches are championship proven by almost every major factory team and rider in the world, including Eli Tomac, Ken Roczen, Cooper Webb, Tim Gajser, Jeffrey Herlings, Jeremy Seewer, Chase Sexton, & Joey Savatgy. Hardcoated for extreme boot wear resistance. Much stronger than stock,...

Can be used with OE baskets, inner hubs, & pressure plates Developed with and recommended to enhance the performance of Hinson Clutch baskets, InnerHhubs, and Pressure Platess Provide optimum hook up with minimum heat build up Exceptional production tolerances and flatness All fiber plates...

Fits The Following Bikes: Yamaha YZ125 2022-2023 Pipe Description: The original Pro Circuit Works Pipe offers unparalleled performance and power for every two-stroke application. Increased horsepower and torque gains will quickly be noticed across the entire rpm range. The unplated, oiled metal finish requires...

Hinson Clutches are championship proven by almost every major factory team and rider in the world, including Eli Tomac, Ken Roczen, Cooper Webb, Tim Gajser, Jeffrey Herlings, Jeremy Seewer, Chase Sexton, & Joey Savatgy. Hardcoated for extreme boot wear resistance Much stronger than stock,...

Fits The Following Bikes: Yamaha YZ125 2002-2021 Silencer Description: The R-304 silencer was developed as a full-race two-stroke silencer. The compact design of the short aluminum canister offers optimum performance gains and is recommended for closed-course racing only. Hex head screws are used to secure...

Fits The Following Bikes: Yamaha YZ125 2005-2024   Cover Description: Pro Circuit Clutch Covers are CNC machined from T-6 billet aircraft-grade aluminum to improve durability and heat dissipation, which improves performance. These covers are designed to be stronger and lighter than the stock clutch...

Fits The Following Bikes: Kawasaki KX125/250 1992-2007 Suzuki RM125/250 1995-2008 Yamaha YZ125/250 1996-2023 Throttle Tube Description: Pro Circuit throttle tubes are CNC-machined out of aluminum, and are Teflon coated on the inside to reduce friction which gives you a smoother twist of the throttle.

CNC"d and formed .080 gauge aircraft grade 5052 aluminum Reinforces radiators to help prevent costly radiator replacement CNC"d billet bracket system incorporates rubber vibration isolators Lightweight, custom fit, tuck in cleanly behind radiator shrouds Simple bolt-on Mounting hardware included Made in the USA

Hinson Clutches are championship proven by almost every major factory team and rider in the world, including Eli Tomac, Ken Roczen, Cooper Webb, Tim Gajser, Jeffrey Herlings, Jeremy Seewer, Chase Sexton, & Joey Savatgy. Tested and raced with all the same high quality standards...

Hinson Clutches are championship proven by almost every major factory team in the world, including Team HRC Honda, Team Monster Kawasaki, Team RedBull Ktm, Team JGR Suzuki and Team Wilvo Yamaha Improves clutch performance and life Improves heat dissipation Precision machined from billet T-6...

Hinson Clutches are championship proven by almost every major factory team in the world, including Team HRC Honda, Team Monster Kawasaki, Team RedBull Ktm, Team JGR Suzuki and Team Wilvo Yamaha Improves clutch performance and life Improves heat dissipation Precision machined from billet T-6...

Fits The Following Bikes: Yamaha YZ65 2019-2023 Silencer Description: The R-304 silencer was developed as a full-race two-stroke silencer. The compact design of the short aluminum canister offers optimum performance gains and is recommended for closed-course racing only. Hex head screws are used to secure...

Fits The Following Bikes: Yamaha YZ85 2019-2022 Silencer Description: The 304 silencer is recommended for most two-stroke applications. The slightly longer body offers added top end performance while reducing noise output. The brushed aluminum body and stainless steel inlet tube and end-cap gives you...

Fits The Following Bikes: Yamaha YZ65 2018-2023 Pipe Description: The original Pro Circuit Works Pipe offers unparalleled performance and power for every two-stroke application. Increased horsepower and torque gains will quickly be noticed across the entire rpm range. The unplated, oiled metal finish requires...

Can be used with OE baskets, inner hubs, & pressure plates Developed with and recommended to enhance the performance of Hinson Clutch baskets, InnerHhubs, and Pressure Platess Provide optimum hook up with minimum heat build up Exceptional production tolerances and flatness All fiber plates...

Fits The Following Bikes: Yamaha YZ125 2022-2023 Pipe Description: The Platinum Pipe offers the same performance gains as the popular Works Pipe, but utilizes a platinum plating on the body to protect it from everyday elements. Precision in design and engineering makes even the...

Fits The Following Bikes: Yamaha YZ250F 2010-2013 Linkage Arm Description:  Pro Circuit's Linkage Arms are CNC-machined from billet aluminum and are designed to stiffen up the initial linkage curve and improve the geometry of the chassis, making the bike much more stable. This will...

Can be used with OE baskets, inner hubs, & pressure plates Developed with and recommended to enhance the performance of Hinson Clutch baskets, Inner hubs, and Pressure Plates Provide optimum hook up with minimum heat build up Exceptional production tolerances and flatness All fiber...

Hinson Clutches are championship proven by almost every major factory team in the world, including Team HRC Honda, Team Monster Kawasaki, Team RedBull Ktm, Team JGR Suzuki and Team Wilvo Yamaha Improves clutch performance and life Improves heat dissipation Precision machined from billet T-6...