![Motor Sports NewsWire logo 2022 RD-BK [300]](https://i0.wp.com/motorsportsnewswire.com/wp-content/uploads/2022/12/cropped-cropped-Motor-Sports-NewsWire-logo-2022-RD-BK-300.png?fit=300%2C100&ssl=1){kind=logo}
CORONA, CA – February 22, 2019 – (Motor Sports Newswire) – Recently, Pro Circuit stocked the new VForce4R reed valve system by Moto Tassinari for the 2019 YZ65/85. Moto Tassinari’s VForce4R reed valve system is […]
Engine Parts & Accessories Superior Performance Parts for New Yamaha YZ65, YZ85, YZ250F and YZ450F Models CORONA, CA – December 6, 2018 – (Motor Sports Newswire) – Everyone here at Pro Circuit is committed to […]
CORONA, CA – October 31, 2018 – (Motor Sports Newswire) – For years we have been crafting championship-winning two-stroke pipes and silencers for some of the fastest mini racers on the planet. We expect the […]
Copyright Motor Sports NewsWire 2025