Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Athena Big Bore spare parts - Yamaha by ATHENA Save Liquid error (snippets/product-badge line 32): Computation results in '-Infinity'% $295.00 Stock Item BIG BORE PISTON/RING KIT 57.94 YZ125 '97-'21 BIG BORE PISTON/RING KIT 57.95 YZ125 '97-'21 BIG BORE PISTON/RING KIT YAMAHA - NLA NOW GAC S5F08300002B BIG BORE PISTON KIT d.83 YAMAHA YZ250F 08/10 - NLA BIG BORE PISTON/RING KIT YAMAHA YFZ450 04/06 4 WHEEL BIG BORE PISTON/RING KIT YAMAHA YZ450F (2WHEEL) 03/09 WR450F 03/10 BIG BORE PISTON 100 MM YZF 450 2010-2012 BIG BORE PISTON/RING KIT DIA. 71.95 YAMAHA YZ 250 2T '03-'24 CYLINDER HEAD BIG BORE KIT YAMAHA YZ125 '05-16 - NLA BIG BORE GASKET SET YZ125 '05-'21 BIG BORE GASKET SET YAMAHA VARIOUS MX / ENDURO / QUAD-ATV BIG BORE GASKET SET YZ250F '01-'13 / WR250F '01-'12 BIG BORE GASKET SET YAMAHA YZ450F WR450F 07/10 BIG BORE GASKET SET YZ450F 2010-2012 BIG BORE GASKET SET YAMAHA YZ 250 2T '03-'21 EXHAUST VALVES PAIR YZ250 DIAM 72 RING SET YZ250F 01/10/WR250F 01/09/KX250F 04/10 RMZ250 04/09 BIG BORE RING SET YZ450f 03/09. WR450F 03/10 BIG BORE RING SET YZ450F 2010-2012 PISTON RING SET YZ125 '05-'20 STANDARD BORE GASKET SET WR F 250 '01-'12 / YZ F 250 '01-'07 BIG BORE GASKET SET - LONG STROKE 112 CC YAMAHA YZ 85 '02-'19 BIG BORE GASKET SET YAMAHA YZ250F '14-'18 / WR250F ' 15-'18 276 cc BIG BORE RING SET YAMAHA YFZ 450 S QUAD-ATV '04-'11 98mm/478cc BIG BORE RING SET - LONG STROKE 112 CC YAMAHA YZ 85 '02-'19 BIG BORE RING SET 293 cc DIA. 72 YAMAHA YZ 250 2T '03-'20 (2-STR) BIG BORE RING SET YAHAMA YZ250F '14-'18 / WR250F ' 15-'18 276 cc BIG BORE PISTON/RING KIT - LONG STROKE 112 CC YAMAHA YZ 85 '02-'19 STANDARD BORE PISTON/RING KIT WR F 250 '01-'12 / YZ F 250 '01-'07 BIG BORE PISTON/RING KIT YZ250F '14-'18 / WR250F ' 15-'18 276 cc Availability: Translation missing: en.general.icons.icon_check_circle icon Only 1 left! 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Notify me when back in stock Email address Email me when available Genuine Athena Big Bore spare pistons, rings, and gaskets for Yamaha.