Athena has been working with the best motocross race teams in the world for over 10 years, working with you to develop pistons.
All piston models are made from aluminum alloys and have a perfect blend of nickel, copper and silicon.
Developed and manufactured with the best technology available.
The careful selection of top quality raw materials, together with the most modern engineering techniques, guarantees the ease and resistance of the pistons.
for better engine performance and durability. Forged pistons are more resistant to temperature and last longer than cast pistons.
Athena Piston Kits come complete with rings, bolts, and clips.
Piston diameter: 76.96 mm (A)
Piston Material: Forged
Piston Pin Diameter: 16mm.
Compression Ratio: 12.5:1 VERSION: STANDARD PISTON DIAMETER: 76.96 MM PISTON PIN: 16MM QUALITY: FORGED COMPRESSION RATIO: 1
APPLICATIONS OF THIS PRODUCT: According to the data provided by the manufacturer, this article is compatible with the following brands, models and years: Yamaha WR 250 F 38,7/28,6 CV, 28,5/21 kw 1cil. CG11W 5PH2 Bastidores: CG11W henceforth00101-- 2001 COMPATIBLE WITHYamaha WR 250 F 38,7/28,6 CV, 28,5/21 kw 1cil. CG11W 5PH6 Bastidores: CG11W henceforth04395-- 2002 COMPATIBLE WITHYamaha WR 250 F 38,7/28,6 CV, 28,5/21 kw 1cil. CG16W 5UM2 Bastidores: CG16W henceforth00029-- 2003 COMPATIBLE WITHYamaha WR 250 F 38,7/28,6 CV, 28,5/21 kw 1cil. CG16W 5UM6 Bastidores: CG16W henceforth06110-- 2004 COMPATIBLE WITHYamaha YZ 250 F 4T 41,5 CV, 30,5 kw 1cil. CG10C 5NL2 Bastidores: CG10C henceforth04386-- 2001 COMPATIBLE WITHYamaha YZ 250 F 4T 41,5 CV, 30,5 kw 1cil. CG10C 5SG2 Bastidores: CG10C henceforth08691-- 2002 COMPATIBLE WITHYamaha YZ 250 F 4T 42 CV, 31 kw 1cil. CG14C 5UL2 Bastidores: CG14C henceforth00240-- 2003 COMPATIBLE WITHYamaha YZ 250 F 4T 42 CV, 31 kw 1cil. CG18C 5XC2 Bastidores: CG18C henceforth00211-- 2004 COMPATIBLE WITHYamaha YZ 250 F 4T 42 CV, 31 kw 1cil. CG21C 5XC6 Bastidores: CG21C henceforth00101-- 2005 COMPATIBLE WITHYamaha YZ 250 F 4T 42 CV, 31 kw 1cil. CG25C 5XCA Bastidores: CG25C henceforth00175-- 2006 COMPATIBLE WITHYamaha YZ 250 F 4T 42 CV, 31 kw 1cil. CG27C 5XCH Bastidores: CG27C henceforth00451-- 2007