Moto Tassinari has extracted more power and more performance from our already proven Vforce3 reed valve system design for the 85cc market, by offering the all-new Vforce3i with integrated intake boot (included on CR, RM & YZ models only). the Vforce3i shares many of the same features as it*s legendary big brother, along with these additional unique featuresFeatures: Straight Shot newly designed 3i intake boot with centralized opening offers a straight shot directly into the engine cases resulting in more even fuel/air distribution into the engine Reed Stops newly designed reed stops to increase reed petal stability for a controlled reed petal opening Reed Petals new shorter reed cage allows use of lighter reed petals for a noticeable increase in overall performance Custom Boot custom designed intake boot to ensure maximum performance and total integration for Honda, Suzuki and Yamaha 85cc models ONLY Fitment Yamaha YZ85 2002 Yamaha YZ85 2003 Yamaha YZ85 2004 Yamaha YZ85 2005 Yamaha YZ85 2006 Yamaha YZ85 2007 Yamaha YZ85 2008 Yamaha YZ85 2009 Yamaha YZ85 2010 Yamaha YZ85 2011 Yamaha YZ85 2012 Yamaha YZ85 2013 Yamaha YZ85 2014 Yamaha YZ85 2015 Yamaha YZ85 2016 Yamaha YZ85 2017 Yamaha YZ85 2018 Yamaha YZ85 2019 Yamaha YZ85 2020 Yamaha YZ85 2021 Yamaha YZ85 2022