ATHENA cylinder kit for engine 290CC BIG BORE 756.43.05

Athena cylinder set

For over 10 years, Athena has been investing in the best and most advanced cylinder manufacturing technologies and components used not only by original equipment manufacturers, but also by the best racing teams in the world.

The production of aluminum cylinders is, last but not least, constantly improved through collaboration with the best Italian universities, as well as continuous development requests from the best engine tuners.

Thanks to a flexible production department, Athena can react efficiently to different situations (original equipment manufacturer production batches, small quantities, building a prototype for racing teams).

Athena cylinders are made of high quality aluminum alloys. They are made using the latest technologies and coated with a nickel-silicon alloy. After undergoing rigorous quality checks, all cylinders meet the highest standards of reliability, longevity, and performance.

Technical information:

Cylinder material: Aluminum

Cooling type: water cooled

Diameter: 83mm.

Stroke: 53.6mm

Displacement: 290cc

Compaction: 12.5: 1

Piston Pin Diameter: 16mm.

Number of piston rings: 3

stock: not included

Peak Power at Crankshaft: 36.9 HP / 9,800 RPM


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
Yamaha WR 250 F 38,7/28,6 CV, 28,5/21 kw 1cil. CG11W 5PH6 Bastidores: CG11W henceforth04395-- 2002
Yamaha WR 250 F 38,7/28,6 CV, 28,5/21 kw 1cil. CG16W 5UM2 Bastidores: CG16W henceforth00029-- 2003
Yamaha WR 250 F 38,7/28,6 CV, 28,5/21 kw 1cil. CG16W 5UM6 Bastidores: CG16W henceforth06110-- 2004
Yamaha WR 250 F 38,7/28,6 CV, 28,5/21 kw 1cil. CG22W 5UM9 Bastidores: CG22W henceforth00101-- 2005
Yamaha WR 250 F 38,7/28,6 CV, 28,5/21 kw 1cil. CG24W 5UMC Bastidores: CG24W henceforth00101-- 2006
Yamaha WR 250 F 38,7/28,6 CV, 28,5/21 kw 1cil. CG26W 5UMF Bastidores: CG26W henceforth00139-- 2007
Yamaha WR 250 F 38,7/28,6 CV, 28,5/21 kw 1cil. CG30W 1HC3 Bastidores: CG30W henceforth06519-- 2011
Yamaha WR 250 F 38,7/28,6 CV, 28,5/21 kw 1cil. CG30W 1HC7 Bastidores: CG30W henceforth07497-- 2012
Yamaha WR 250 F 38,7/28,6 CV, 28,5/21 kw 1cil. CG30W 5UML Bastidores: CG30W henceforth01161-- 2008
Yamaha WR 250 F 38,7/28,6 CV, 28,5/21 kw 1cil. CG30W 5UMR Bastidores: CG30W henceforth03568-- 2009
Yamaha WR 250 F 38,7/28,6 CV, 28,5/21 kw 1cil. CG30W 5UMV Bastidores: CG30W henceforth05844-- 2010
Yamaha YZ 250 F 4T 41,5 CV, 30,5 kw 1cil. CG10C 5NL2 Bastidores: CG10C henceforth04386-- 2001
Yamaha YZ 250 F 4T 41,5 CV, 30,5 kw 1cil. CG10C 5SG2 Bastidores: CG10C henceforth08691-- 2002
Yamaha YZ 250 F 4T 42 CV, 31 kw 1cil. CG14C 5UL2 Bastidores: CG14C henceforth00240-- 2003
Yamaha YZ 250 F 4T 42 CV, 31 kw 1cil. CG18C 5XC2 Bastidores: CG18C henceforth00211-- 2004
Yamaha YZ 250 F 4T 42 CV, 31 kw 1cil. CG21C 5XC6 Bastidores: CG21C henceforth00101-- 2005
Yamaha YZ 250 F 4T 42 CV, 31 kw 1cil. CG25C 5XCA Bastidores: CG25C henceforth00175-- 2006
Yamaha YZ 250 F 4T 42 CV, 31 kw 1cil. CG27C 5XCH Bastidores: CG27C henceforth00451-- 2007