Athena Ø97mm Cylinder-piston kitRef : ATH00707A / 1117454

ATHENA Cylinder Kit Ø97mm - Yamaha YZ450F (14-17) (Manufacturer part number: P400485100053)

Designed for the restoration or preparation of motocross engines, this ATHENA aluminum cylinder kit features a bore of Ø97 mm suitable for YZ450F models from 2014 to 2017. Aimed at riders looking for a complete solution to renovate the top end, it combines materials and surface treatments for controlled engine behavior on the track.

• Nickel-carbide treated aluminum cylinder for a wear-resistant contact surface.
• Design promoting increased coolant volume for better thermal management.
• High-performance exhaust valves and bronze cylinder head dome for enhanced durability under stress.
• Forged piston with skirts coated in molybdenum disulfide (MoS2) to reduce friction at startup and during the initial kilometers.

Delivered complete: piston, rings, circlips, pin, gasket set, and, depending on the version, cylinder head and exhaust valves. Wear parts (pistons, rings, gaskets) are available as replacements for maintenance or break-in. Compatible with YZ450F models (CJ18/CJ21) from the mentioned years. Ideal for those rebuilding or enhancing their motocross engine while relying on dependable industrial bases.