Who doesn't know that rough engine idling is usually due to an old, hardened or brittle intake manifold.
APPLICATIONS OF THIS PRODUCT: According to the data provided by the manufacturer, this article is compatible with the following brands, models and years: YAMAHA YZ 250 F 4T 42 CV, 31 KW 1CIL. CG27C 5XCH BASTIDORES: CG27C henceforth00451-- 2007 YAMAHA YZ 250 F 4T 42 CV, 31 KW 1CIL. CG27C 5XCM BASTIDORES: CG27C henceforth14791-- 2008 YAMAHA YZ 250 F 4T 42 CV, 31 KW 1CIL. CG27C 5XCS BASTIDORES: CG27C henceforth30138-- 2009 YAMAHA YZ 250 F 4T 42 CV, 31 KW 1CIL. CG33C 17D6 BASTIDORES: CG33C henceforth00135-- 2010 YAMAHA YZ 250 F 4T 42 CV, 31 KW 1CIL. CG33C 17DE BASTIDORES: CG33C henceforth06765-- 2011