Athena Big Bore Kits - Yamaha

From $1,195.00

Get more power with premium quality European kits that include, cylinder, piston, rings, and all gaskets required for a hassle free conversion.

Spare pistons, rings, and gaskets also available.

Application list below

Code Description RRP Availability
GAC 0485100030 BIG BORE KIT YAMAHA YZ125LC 05-16 $1850.00 In stock Enquire now
GAC 0485100012 BIG BORE KIT YAMAHA YZ250F 01-07 / WR250F 01-12 290cc $1495.00 Not in stock Enquire now
GAC 0485100026 Big Bore Kit Yamaha YZ250F 250/290 08-13 $1495.00 In stock Enquire now
GAC 0485100016 BIG BORE KIT YAMAHA YFZ450 S ATV 04-11 d.98mm $1495.00 Not in stock Enquire now
GAC 0485100014 BIG BORE KIT YAMAHA YZ450F 03-05.WR450F 03-06 480cc $1200.00 In stock Enquire now
GAC 0485100021 BIG BORE KIT YAMAHA YZ450F 06-09. WR450F 07-15 (478cc) $1195.00 Not in stock Enquire now
GAC 0485100054 BIG BORE KIT YAMAHA YZF 450 10-16 $1500.00 In stock Enquire now
GAC S4C05800001B BIG BORE PISTON/RING KIT 57.95 YZ125 '97-'16 $295.00 In stock Enquire now
GAC S4F08300001B BIG BORE PISTON/RING KIT YAM YZ250F 01/07 WR250F 01/09 $395.00 In stock Enquire now
GAC S4F08300008B BIG BORE PISTON KIT d.83 YAMAHA YZ250F 08/10 $399.00 In stock Enquire now
GAC S4F09800004B BIG BORE PISTON/RING KIT YAMAHA YFZ450 04/06 4 WHEEL $399.00 In stock Enquire now
GAC S4F09800005B BIG BORE PISTON/RING KIT YAMAHA YZ450F (2WHEEL) 03/09 WR450F 03/10 $419.00 In stock Enquire now
GAC S4F102000040 BIG BOR PISTON 100 MM YZF 450 2010-2012 $419.00 In stock Enquire now
GAC 0485160014 BIG BORE GASKET SET YZ125 97-10 $99.00 In stock Enquire now
GAC 0485160007 BIG BORE GASKET SET YZ250F '01-'07 / WR250F '01-'12 $119.00 In stock Enquire now
GAC 0485160009 BB GASKET SET YZ450F '03-'05 / WR450F '03-'06 / YZF450 ATV '04-'11 $159.00 In stock Enquire now
GAC 0485160013 BIG BORE GASKET SET YAMAHA YZ450F WR450F 07/10 $159.00 In stock Enquire now
GAC 0485160025 BIG BORE GASKET SET YZ450F 2010-2012 $159.00 In stock Enquire now
GAC S41316125 BIG BORE RING SET YAMAHA YZ125 '05-14 - now use GAC S41316157 $25.00 Not in stock Enquire now
GAC S41316133 RING SET YZ250F 01/10/WR250F 01/09/KX250F 04/10 RMZ250 04/09 $59.00 In stock Enquire now
GAC S41316027 BIG BORE RING SET YZ450f 03/09. WR450F 03/10 $69.00 In stock Enquire now
GAC S41316216 BIG BORE RING SET YZ450F 2010-2012 $55.00 In stock Enquire now