58Mm 144Cc Big Bore Cylinder Compatible With 1997-2004 Yamaha Yz125 125Cc 2-Stroke Motocross

OEM PART NUMBERS:
• Athena: S410485301029
• Full Kit: P400485100029
• Yamaha Stock Cylinder: 5HD-11311-11-00 (1997-2000)
• Yamaha Stock Cylinder: 5NY-11311-00-00 (2001-2004)

SPECIFICATIONS:
• Type: Big Bore Replacement Cylinder
• Bore: 58mm (+4mm over stock 54mm)
• Displacement: 144cc (from 125cc)
• Plating: Nikasil (Nickel Silicon Carbide)
• Engine: 2-Stroke Liquid-Cooled
• Includes: Cylinder only (full kit P400485100029 includes piston, gaskets)
• Condition: New

APPLICATIONS:
• Yamaha YZ125 125cc 2-Stroke Motocross (1997-2004)

PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.

WARNING - This product may expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov