Athena 01-04 Yamaha YZ 125 LC Race 125cc 54mm Bore Piston Ring Set - S410485316005 MSRP: $16.95 Was: Now: $12.55 Add to Cart
Athena 19-22 Yamaha YZ85 D.53 106cc 53mm Replacement Head External - S410485308035 MSRP: $217.95 Was: Now: $173.78 Add to Cart
Athena 19-24 Yamaha YZ85 (D.53 2025) 53mm Bore 106cc Modular Central Dome (For Athena Cylinder Kits) - S410485308033 MSRP: $68.95 Was: Now: $54.98 Add to Cart
Athena 19-24 Yamaha YZ 85 85cc 47.5mm Replacement Head Internal - S410485308032 MSRP: $68.95 Was: Now: $54.98 Add to Cart
Athena 03-24 Yamaha YZ250 LC 293cc 72mm Replacement Head (1-Piece Design) - S410485308029 MSRP: $240.95 Was: Now: $192.12 Add to Cart
Athena 02-18 Yamaha YZ 85 53mm Cylinder Head - S410485308021 MSRP: $254.95 Was: Now: $203.28 Add to Cart
Athena 03-07 Kawasaki KX 125 LC 144cc 58mm Replacement Head (1-Piece Design) - S410485308019 MSRP: $163.95 Was: Now: $130.72 Add to Cart
Athena Kawasaki KX 125 Modular Central Dome (For 2T Athena Cyl Kit) - S410485308003 MSRP: $69.95 Was: Now: $55.78 Add to Cart
Athena 03-07 Kawasaki KX 125 125cc 54mm Replacement Inner Dome - S410485308002 MSRP: $69.95 Was: Now: $55.78 Add to Cart
Athena 03-07 Kawasaki KX 125 125cc 54mm Replacement Head - S410485308001 MSRP: $134.95 Was: Now: $107.60 Add to Cart
Athena 19-21 Yamaha YZ 85 Exhaust Valves (For Athena Cylinder Kit) - S410485303077 MSRP: $258.95 Was: Now: $206.47 Add to Cart
Athena 03-24 Yamaha YZ250 LC 293cc 72mm Replacement Power Exhaust Valve - S410485303025 MSRP: $319.95 Was: Now: $255.10 Add to Cart
Athena 02-11 Yamaha YZ 85 Aluminum Exhaust Silencer - S410485303021 MSRP: $137.95 Was: Now: $109.99 Add to Cart
Athena 97-04 Yamaha YZ 125 LC Factory 144cc 58mm Replacement Power Exhaust Valve - S410485303019 MSRP: $240.95 Was: Now: $192.12 Add to Cart
Athena 05-21 Yamaha YZ 125 LC 144cc 58mm Replacement Power Exhaust Valve - S410485303018 MSRP: $240.95 Was: Now: $192.12 Add to Cart
Athena 05-21 Yamaha YZ 125 LC Factory 125cc 54mm Replacement Power Exhaust Valves - S410485303015 MSRP: $240.95 Was: Now: $192.12 Add to Cart
Athena 13-15 Gasgas EC 125 Spring for Valve Control YZ 125 (1 pc.) - S410485303011 MSRP: $11.95 Was: Now: $9.53 Add to Cart
Athena 97-04 Yamaha YZ 125 LC Factory 125cc 54mm Replacement Power Valves - S410485303009 MSRP: $115.95 Was: Now: $92.45 Add to Cart
Athena 01-04 Yamaha YZ 125 53.96mm Bore 2T Forged Racing Piston - S410485302007.C MSRP: $123.95 Was: Now: $91.77 Add to Cart
Athena 01-04 Yamaha YZ 125 53.95mm Bore 2T Forged Racing Piston - S410485302007.B MSRP: $123.95 Was: Now: $91.77 Add to Cart
Athena 01-04 Yamaha YZ 125 53.94mm Bore 2T Forged Racing Piston - S410485302007.A MSRP: $123.95 Was: Now: $91.77 Add to Cart
Athena 02-18 Yamaha YZ 85 47.5mm Bore 85cc Cylinder - S410485301093 MSRP: $449.95 Was: Now: $358.75 Add to Cart
Athena 19-24 Yamaha YZ 85 47.5mm Cylinder - S410485301076 MSRP: $506.95 Was: Now: $404.20 Add to Cart
Athena 18-19 Yamaha YZ450F 102mm Bore 497cc Cylinder - S410485301068 MSRP: $717.95 Was: Now: $572.43 Add to Cart
Athena 01-04 Yamaha YZ 125 LC Race 125cc 54mm Bore Piston Ring Set - S410485316005 In case of need, Athena offers its customers the possibility to replace the components of the different Piston Kits. In particular pin, clips and piston rings. The wide and varied range allows... MSRP: $16.95 Was: Now: $12.55 Add to Cart
Athena 19-22 Yamaha YZ85 D.53 106cc 53mm Replacement Head External - S410485308035 Athena has been constantly investing in cylinder aftermarket replacement parts for more than ten years, to improve their production and performance. All cylinders and cylinder heads are entirely... MSRP: $217.95 Was: Now: $173.78 Add to Cart
Athena 19-24 Yamaha YZ85 (D.53 2025) 53mm Bore 106cc Modular Central Dome (For Athena Cylinder Kits) - S410485308033 Athena replacement heads born from a solid know-how, given by many years of experience that has led the company to be chosen as a supplier of original equipment by numerous motorcycle manufacturers... MSRP: $68.95 Was: Now: $54.98 Add to Cart
Athena 19-24 Yamaha YZ 85 85cc 47.5mm Replacement Head Internal - S410485308032 Athena has been constantly investing in cylinder aftermarket replacement parts for more than ten years, to improve their production and performance. All cylinders and cylinder heads are entirely... MSRP: $68.95 Was: Now: $54.98 Add to Cart
Athena 03-24 Yamaha YZ250 LC 293cc 72mm Replacement Head (1-Piece Design) - S410485308029 Athena has been constantly investing in cylinder aftermarket replacement parts for more than ten years, to improve their production and performance. All cylinders and cylinder heads are entirely... MSRP: $240.95 Was: Now: $192.12 Add to Cart
Athena 02-18 Yamaha YZ 85 53mm Cylinder Head - S410485308021 The head gasket is a complex and crucial technological component. To meet the ongoing needs of the market, Athena conducts meticulous checks on its head gaskets, both during the design phase and... MSRP: $254.95 Was: Now: $203.28 Add to Cart
Athena 03-07 Kawasaki KX 125 LC 144cc 58mm Replacement Head (1-Piece Design) - S410485308019 Kits include aluminum cylinder with galvanic coating design with forged piston with molybdenum coating. MSRP: $163.95 Was: Now: $130.72 Add to Cart
Athena Kawasaki KX 125 Modular Central Dome (For 2T Athena Cyl Kit) - S410485308003 Athena replacement heads born from a solid know-how, given by many years of experience that has led the company to be chosen as a supplier of original equipment by numerous motorcycle manufacturers... MSRP: $69.95 Was: Now: $55.78 Add to Cart
Athena 03-07 Kawasaki KX 125 125cc 54mm Replacement Inner Dome - S410485308002 Kits include aluminum cylinder with galvanic coating design with forged piston with molybdenum coating. MSRP: $69.95 Was: Now: $55.78 Add to Cart
Athena 03-07 Kawasaki KX 125 125cc 54mm Replacement Head - S410485308001 Kits include aluminum cylinder with galvanic coating design with forged piston with molybdenum coating. MSRP: $134.95 Was: Now: $107.60 Add to Cart
Athena 19-21 Yamaha YZ 85 Exhaust Valves (For Athena Cylinder Kit) - S410485303077 Athena scooter reed valves are designed and calibrated to replace the original product. Composite fiber petals allow a higher airflow rate and a homogenous flow during the suction phase. Athena's... MSRP: $258.95 Was: Now: $206.47 Add to Cart
Athena 03-24 Yamaha YZ250 LC 293cc 72mm Replacement Power Exhaust Valve - S410485303025 This kit includes all the components necessary for the complete overhaul of the Athena cylinder exhaust valve. The kit includes: the valve, the diaphragm, the springs for the valve control and all... MSRP: $319.95 Was: Now: $255.10 Add to Cart
Athena 02-11 Yamaha YZ 85 Aluminum Exhaust Silencer - S410485303021 Athena supplies the widest range of spare replacement gaskets available on the market. Athena gaskets re the fruit of over forty years of experience in the sector, solid know-how and advanced... MSRP: $137.95 Was: Now: $109.99 Add to Cart
Athena 97-04 Yamaha YZ 125 LC Factory 144cc 58mm Replacement Power Exhaust Valve - S410485303019 This kit includes all the components necessary for the complete overhaul of the Athena cylinder exhaust valve. The kit includes: the valve, the diaphragm, the springs for the valve control and all... MSRP: $240.95 Was: Now: $192.12 Add to Cart
Athena 05-21 Yamaha YZ 125 LC 144cc 58mm Replacement Power Exhaust Valve - S410485303018 Kits include aluminum cylinder with galvanic coating design with forged piston with molybdenum coating. MSRP: $240.95 Was: Now: $192.12 Add to Cart
Athena 05-21 Yamaha YZ 125 LC Factory 125cc 54mm Replacement Power Exhaust Valves - S410485303015 Kits include aluminum cylinder with galvanic coating design with forged piston with molybdenum coating. MSRP: $240.95 Was: Now: $192.12 Add to Cart
Athena 13-15 Gasgas EC 125 Spring for Valve Control YZ 125 (1 pc.) - S410485303011 This kit includes all the components necessary for the complete overhaul of the Athena cylinder exhaust valve. The kit includes: the valve, the diaphragm, the springs for the valve control and all... MSRP: $11.95 Was: Now: $9.53 Add to Cart
Athena 97-04 Yamaha YZ 125 LC Factory 125cc 54mm Replacement Power Valves - S410485303009 Kits include aluminum cylinder with galvanic coating design with forged piston with molybdenum coating. MSRP: $115.95 Was: Now: $92.45 Add to Cart
Athena 01-04 Yamaha YZ 125 53.96mm Bore 2T Forged Racing Piston - S410485302007.C Athena, leader in producing motorcycle spare parts for over 40 years, unveils its new range of 4-stroke off-road forged pistons made by reverse extrusion. Produced with cutting-edge CNC machining... MSRP: $123.95 Was: Now: $91.77 Add to Cart
Athena 01-04 Yamaha YZ 125 53.95mm Bore 2T Forged Racing Piston - S410485302007.B Athena, leader in producing motorcycle spare parts for over 40 years, unveils its new range of 4-stroke off-road forged pistons made by reverse extrusion. Produced with cutting-edge CNC machining... MSRP: $123.95 Was: Now: $91.77 Add to Cart
Athena 01-04 Yamaha YZ 125 53.94mm Bore 2T Forged Racing Piston - S410485302007.A Athena, leader in producing motorcycle spare parts for over 40 years, unveils its new range of 4-stroke off-road forged pistons made by reverse extrusion. Produced with cutting-edge CNC machining... MSRP: $123.95 Was: Now: $91.77 Add to Cart
Athena 02-18 Yamaha YZ 85 47.5mm Bore 85cc Cylinder - S410485301093 The head gasket is a complex and crucial technological component. To meet the ongoing needs of the market, Athena conducts meticulous checks on its head gaskets, both during the design phase and... MSRP: $449.95 Was: Now: $358.75 Add to Cart
Athena 19-24 Yamaha YZ 85 47.5mm Cylinder - S410485301076 The head gasket is a complex and crucial technological component. To meet the ongoing needs of the market, Athena conducts meticulous checks on its head gaskets, both during the design phase and... MSRP: $506.95 Was: Now: $404.20 Add to Cart
Athena 18-19 Yamaha YZ450F 102mm Bore 497cc Cylinder - S410485301068 The head gasket is a complex and crucial technological component. To meet the ongoing needs of the market, Athena conducts meticulous checks on its head gaskets, both during the design phase and... MSRP: $717.95 Was: Now: $572.43 Add to Cart