97-04 Yamaha YZ125 YZ 125 54mm 54 Athena Stock Bore Cylinder Top End Piston Kit

5MV-11111-00-00 5HD-1131D-10-00 5HD-1132D-10-00 5NY-11311-11-00 90116-08394-00 93210-63442-00 90201-080L8-00 90176-08026-00 4XM-11633-10-00 5NY-11611-00-00 5NY-11631-01-A0 5NY-11631-01-B0 5NY-11631-01-C0 5DH-11351-01-00 90116-08318-00 90116-08388-00 99590-10114-00 4SS-11311-21-00 4SS-11111-00-00 4SS-1131A-02-00 4SS-1132A-02-00 4JY-11995-00-00 92907-05600-00 97017-05016-00 4JY-11993-01-00 4JY-11991-01-00 90387-08785-00 90508-161B3-00 98907-05016-00 4JY-11354-02-00 90467-14117-00 4JY-11166-00-00 4SS-1131M-01-00 93104-08040-00 93604-18251-00 91317-04008-00 4SS-11832-00-00 4SS-1131V-00-00 90201-057H5-0098907-05010-00 4JY-1131E-00-00 4SS-1132A-02-00 4SS-1131A-02-00 B9E-G0000-00-00 90179-08491-00 99530-10114-00 90116-08388-00 90116-08318-00 93450-16068-00 4XM-11633-01-00 4JY-11611-00-00 4XM-11631-30-C0 4XM-11631-30-D0 4XM-11631-30-B0 5XE-11311-21-00, 5UN-11111-00-00, 5NY-11631-01-D0

Athena 54mm OEM Stock Bore Cylinder Top End Kit!
This is the best and most reliable rebuild kit on the market!

Fits Yamaha YZ125 2 Stroke Dirt Bikes


Years 1997 1998 1999 2000 2001 2002 2003 2004

This kit includes:

• 54mm 125cc Nikasil Athena Big Bore Cylinder
• Athena 54mm Coated Piston Kit (Includes, Piston, Pin, Rings & Clips)
• Athena Complete Top End Gasket Set
• Athena Head
• Athena Head Stud Kit
• Athena Power Valves
• All parts come with warranty

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