Keep your Yamaha 450 WR-F / YZ-F running cool and leak-free with the Athena P400485475010 Water Pump Repair Kit. Engineered specifically for Yamaha 450 WR-F / YZ-F models from 2010-2013, this premium-quality rebuild kit includes the essential gaskets, seals, and washers required to restore proper water pump operation and cooling system performance. Athena is recognized worldwide for manufacturing high-performance motorcycle gaskets and engine components trusted by professional mechanics, motocross racers, and off-road enthusiasts. This kit is designed to deliver dependable sealing performance under demanding riding conditions while maintaining OEM-level fit and reliability. Whether you are repairing a leaking water pump, rebuilding your cooling system, or performing preventative maintenance, the Athena P400485475004 kit provides a durable and cost-effective solution for your dirt bike.
The Athena P400210850300 Full Gasket Kit is engineered for Honda TRX 300 models from 1988‑2000, providing all essential gaskets needed for dependable engine servicing and rebuilds. Manufactured with premium materials and precision‑cut to meet OEM‑level specifications, this kit ensures proper sealing, durability, and long‑term performance. Ideal for restoring compression, preventing leaks, and keeping your Honda 300 running strong on the trail or around the farm. Oil seals are not included.
The Athena P400210850977 Full Gasket Kit is engineered for Honda VT1100 models from 1995–1996, providing a complete sealing solution for full or partial engine rebuilds. This comprehensive kit includes precision‑cut gaskets for top‑end and bottom‑end components, ensuring proper fitment, leak prevention, and long‑term durability. Manufactured to meet or exceed OEM specifications, it helps restore compression, cooling efficiency, and overall engine reliability. Oil seals are not included, allowing builders to choose preferred replacements. Ideal for maintenance, restoration, or performance refreshes on Honda’s VT1100 V‑twin platform.
If you're looking to unleash more low-end torque, stronger mid-range power, and overall improved performance from your Yamaha YZ125, the Athena S4C05800001B is the perfect choice. Engineered in Italy by one of the world's leading powersports manufacturers, this high-quality cast piston kit is specifically designed to pair with Athena's Big Bore Cylinder Kits, reliably increasing your bike's displacement from 125cc. Whether you're a weekend trail rider, a competitive motocross racer, or someone who simply wants more punch out of your two-stroke, this piston delivers noticeable gains in horsepower and torque while maintaining excellent reliability and throttle response.
Keep your KTM 65 SX / XC running cool and leak-free with the Athena P400270475001 Water Pump Repair Kit. Engineered specifically for KTM 65 SX / XC models from 2003-2017, this premium-quality rebuild kit includes the essential gaskets, seals, and washers required to restore proper water pump operation and cooling system performance. Athena is recognized worldwide for manufacturing high-performance motorcycle gaskets and engine components trusted by professional mechanics, motocross racers, and off-road enthusiasts. This kit is designed to deliver dependable sealing performance under demanding riding conditions while maintaining OEM-level fit and reliability. Whether you are repairing a leaking water pump, rebuilding your cooling system, or performing preventative maintenance, the Athena P400270475001 kit provides a durable and cost-effective solution for your dirt bike.
UPGRADE YOUR DIRT BIKE TO THE NEXT LEVEL OF PERFORMANCE Extract massive power, aggressive low-end torque, and unmatched acceleration from your 125cc two-stroke racing engine with the Athena Big Bore Cylinder Kit (Part No. P400485100029), a premium race-proven package engineered in Italy to seamlessly convert your factory setup into a high-revving, high-output 144cc powerhouse. Entirely cast from high-grade aluminum and treated with a specialized Motor-Nicksil (Nickel-Silicon) coating, this cylinder guarantees exceptional thermal dissipation, minimal friction, and optimal wear resistance to deliver a substantial increase along the entire power curve while maintaining strict original-equipment reliability. This complete bolt-on kit comes loaded with everything required for a flawless installation—including a precision-machined 58mm big bore cylinder, a dedicated high-compression cylinder head, updated power valve components, a premium cast piston assembly, rings, wrist pin, clips, and a specific high-tightness multi-layer gasket set—allowing you to dramatically increase track performance without requiring any complex machining or structural engine modifications to your factory crankcase.
The Athena P400485850263 Full Gasket Kit provides a complete, high‑quality sealing solution for Yamaha YTZ250 Tri‑Z engines from 1985–1986. Manufactured with premium materials and engineered to OEM‑level specifications, this kit includes all major engine gaskets needed for a full rebuild—excluding oil seals. Designed to restore proper sealing, prevent leaks, and ensure long‑lasting durability, Athena gaskets deliver dependable performance for riders restoring or maintaining these iconic high‑performance three‑wheelers.
The Athena P400250600071 Top End Gasket Kit is engineered for Kawasaki KX‑F 250 models from 2021–2024, delivering a precise and durable sealing solution for top‑end rebuilds. This kit includes premium‑grade gaskets designed to restore compression, prevent leaks, and maintain peak engine performance under demanding motocross and off‑road conditions. Each gasket is manufactured to OEM specifications for perfect fitment and long‑term reliability. Ideal for piston replacement, routine maintenance, or full top‑end refreshes on modern high‑revving Kawasaki 250 four‑stroke engines. Oil seals are not included, allowing riders to choose preferred replacements.
The Athena P400060900014 Complete Gasket Kit is engineered for riders who demand maximum reliability from their Beta 300 RR (2013‑2024). Designed using premium materials and manufactured to OEM‑level precision, this full gasket set provides everything needed for a complete top‑to‑bottom engine reseal. Whether you're performing routine maintenance, rebuilding after a season of hard enduro, or restoring compression and sealing integrity, Athena delivers unmatched durability and performance. Each gasket, seal, and O‑ring is crafted for perfect fitment, ensuring optimal sealing under extreme heat, pressure, and vibration. Trusted worldwide by racers and mechanics, Athena gasket kits are the go‑to choice for long‑lasting engine protection.
Restore your Kawasaki 65 KX engine performance with the Athena P4C0445008001B Top End Piston Kit. Designed specifically for Kawasaki 65 KX models from 2000-2023, this complete rebuild solution includes a precision-engineered 44.46 mm cast piston and matching top end gasket kit for reliable sealing and long-lasting durability. Athena develops and tests its piston technology and gasket components together to ensure optimal compatibility, improved reliability, and consistent performance under demanding motocross and off-road riding conditions. The cast aluminum piston construction provides excellent thermal resistance, reduced wear, and dependable operation for both recreational and competitive riders. This top end rebuild kit is an excellent choice for routine maintenance, engine refresh projects, or performance restoration. Manufactured to high-quality standards, the Athena piston kit helps maintain compression, smooth power delivery, and dependable engine response.
Restore your Yamaha 125 YZ engine performance with the Athena P4C0540077020B Top End Piston Kit. Designed specifically for Yamaha 125 YZ models from 2005-2021, this complete rebuild solution includes a precision-engineered 53.96 mm cast piston and matching top end gasket kit for reliable sealing and long-lasting durability. Athena develops and tests its piston technology and gasket components together to ensure optimal compatibility, improved reliability, and consistent performance under demanding motocross and off-road riding conditions. The cast aluminum piston construction provides excellent thermal resistance, reduced wear, and dependable operation for both recreational and competitive riders. This top end rebuild kit is an excellent choice for routine maintenance, engine refresh projects, or performance restoration. Manufactured to high-quality standards, the Athena piston kit helps maintain compression, smooth power delivery, and dependable engine response.
The Athena P400210850201 Full Gasket Kit is engineered for Honda ATC 200 and TRX 200 models from 1984‑1986, providing all essential gaskets needed for dependable engine servicing and rebuilds. Manufactured with premium materials and precision‑cut to meet OEM‑level specifications, this kit ensures proper sealing, durability, and long‑term performance. Ideal for restoring compression, preventing leaks, and keeping classic Honda ATVs running strong. Oil seals are not included.
Keep your Kawasaki 250 KX running cool and leak-free with the Athena P400250475005 Water Pump Repair Kit. Engineered specifically for Kawasaki 250 KX models from 1994-1998, this premium-quality rebuild kit includes the essential gaskets, seals, and washers required to restore proper water pump operation and cooling system performance. Athena is recognized worldwide for manufacturing high-performance motorcycle gaskets and engine components trusted by professional mechanics, motocross racers, and off-road enthusiasts. This kit is designed to deliver dependable sealing performance under demanding riding conditions while maintaining OEM-level fit and reliability. Whether you are repairing a leaking water pump, rebuilding your cooling system, or performing preventative maintenance, the Athena P400250475005 kit provides a durable and cost-effective solution for your dirt bike.
Restore your Kawasaki 85 KX engine performance with the Athena P4C0485065003B Top End Piston Kit. Designed specifically for Kawasaki 85 KX models from 2019-2023, this complete rebuild solution includes a precision-engineered 48.45 mm cast piston and matching top end gasket kit for reliable sealing and long-lasting durability. Athena develops and tests its piston technology and gasket components together to ensure optimal compatibility, improved reliability, and consistent performance under demanding motocross and off-road riding conditions. The cast aluminum piston construction provides excellent thermal resistance, reduced wear, and dependable operation for both recreational and competitive riders. This top end rebuild kit is an excellent choice for routine maintenance, engine refresh projects, or performance restoration. Manufactured to high-quality standards, the Athena piston kit helps maintain compression, smooth power delivery, and dependable engine response.
Restore your Kawasaki 65 KX engine performance with the Athena P4C0445008001A Top End Piston Kit. Designed specifically for Kawasaki 65 KX models from 2000-2023, this complete rebuild solution includes a precision-engineered 44.45 mm cast piston and matching top end gasket kit for reliable sealing and long-lasting durability. Athena develops and tests its piston technology and gasket components together to ensure optimal compatibility, improved reliability, and consistent performance under demanding motocross and off-road riding conditions. The cast aluminum piston construction provides excellent thermal resistance, reduced wear, and dependable operation for both recreational and competitive riders. This top end rebuild kit is an excellent choice for routine maintenance, engine refresh projects, or performance restoration. Manufactured to high-quality standards, the Athena piston kit helps maintain compression, smooth power delivery, and dependable engine response.
Keep your Suzuki 250 RMZ running cool and leak-free with the Athena P400510470005 Water Pump Repair Kit. Engineered specifically for Suzuki 250 RMZ models from 2007-2015, this premium-quality rebuild kit includes the essential gaskets, seals, and washers required to restore proper water pump operation and cooling system performance. Athena is recognized worldwide for manufacturing high-performance motorcycle gaskets and engine components trusted by professional mechanics, motocross racers, and off-road enthusiasts. This kit is designed to deliver dependable sealing performance under demanding riding conditions while maintaining OEM-level fit and reliability. Whether you are repairing a leaking water pump, rebuilding your cooling system, or performing preventative maintenance, the Athena P400510470005 kit provides a durable and cost-effective solution for your dirt bike.
The Athena P400250600205 Top End Gasket Kit is engineered for Kawasaki KDX 200 models from 1989–1994, providing a precise and durable sealing solution for top‑end rebuilds. This kit includes premium‑grade gaskets designed to restore compression, prevent leaks, and maintain strong engine performance in demanding trail and off‑road riding conditions. Each gasket is manufactured to OEM specifications for perfect fitment and long‑term reliability. Ideal for piston replacement, routine maintenance, or full top‑end refreshes on Kawasaki’s iconic KDX 200 two‑stroke platform. Oil seals are not included, giving riders flexibility to choose preferred replacements.
The Athena P400195900738 Complete Gasket Kit is engineered for Harley‑Davidson Sportster Ironhead 1000cc models from 1974‑1976, providing dependable sealing performance for full engine rebuilds and restorations. Manufactured with premium materials and cut to OEM‑level precision, this gasket set ensures long‑lasting durability under heat, vibration, and daily riding conditions. Ideal for classic motorcycle enthusiasts, mechanics, and restorers, it includes all major gaskets needed to refresh or overhaul a vintage Ironhead engine. Built for accuracy, longevity, and reliable performance.
Restore your KTM / GAS GAS / HUSQ 250 engine performance with the Athena P5F0780078002B Top End Piston Kit. Designed specifically for KTM / GAS GAS / HUSQ 250 models from 2016-2022, this complete rebuild solution includes a precision-engineered 76.97 mm cast piston and matching top end gasket kit for reliable sealing and long-lasting durability. Athena develops and tests its piston technology and gasket components together to ensure optimal compatibility, improved reliability, and consistent performance under demanding motocross and off-road riding conditions. The cast aluminum piston construction provides excellent thermal resistance, reduced wear, and dependable operation for both recreational and competitive riders. This top end rebuild kit is an excellent choice for routine maintenance, engine refresh projects, or performance restoration. Manufactured to high-quality standards, the Athena piston kit helps maintain compression, smooth power delivery, and dependable engine response.
Restore your Yamaha 85 YZ engine performance with the Athena P4C0475089003A Top End Piston Kit. Designed specifically for Yamaha 85 YZ models from 2002-2018, this complete rebuild solution includes a precision-engineered 47.44 mm cast piston and matching top end gasket kit for reliable sealing and long-lasting durability. Athena develops and tests its piston technology and gasket components together to ensure optimal compatibility, improved reliability, and consistent performance under demanding motocross and off-road riding conditions. The cast aluminum piston construction provides excellent thermal resistance, reduced wear, and dependable operation for both recreational and competitive riders. This top end rebuild kit is an excellent choice for routine maintenance, engine refresh projects, or performance restoration. Manufactured to high-quality standards, the Athena piston kit helps maintain compression, smooth power delivery, and dependable engine response.
Keep your Kawasaki 450 KX-F running cool and leak-free with the Athena P400250475011 Water Pump Repair Kit. Engineered specifically for Kawasaki 450 KX-F models from 2009-2015, this premium-quality rebuild kit includes the essential gaskets, seals, and washers required to restore proper water pump operation and cooling system performance. Athena is recognized worldwide for manufacturing high-performance motorcycle gaskets and engine components trusted by professional mechanics, motocross racers, and off-road enthusiasts. This kit is designed to deliver dependable sealing performance under demanding riding conditions while maintaining OEM-level fit and reliability. Whether you are repairing a leaking water pump, rebuilding your cooling system, or performing preventative maintenance, the Athena P400250475011 kit provides a durable and cost-effective solution for your dirt bike.
Restore your KTM 85 SX engine performance with the Athena P4C0470088005B Top End Piston Kit. Designed specifically for KTM 85 SX models from 2018-2025, this complete rebuild solution includes a precision-engineered 44.95 mm cast piston and matching top end gasket kit for reliable sealing and long-lasting durability. Athena develops and tests its piston technology and gasket components together to ensure optimal compatibility, improved reliability, and consistent performance under demanding motocross and off-road riding conditions. The cast aluminum piston construction provides excellent thermal resistance, reduced wear, and dependable operation for both recreational and competitive riders. This top end rebuild kit is an excellent choice for routine maintenance, engine refresh projects, or performance restoration. Manufactured to high-quality standards, the Athena piston kit helps maintain compression, smooth power delivery, and dependable engine response.
UPGRADE YOUR SCOOTER TO THE NEXT LEVEL OF PERFORMANCE Extract maximum power and unmatched acceleration from your 50cc scooter with the Athena Big Bore Cylinder Kit (Part No. 070200), a premium performance package engineered in Italy to seamlessly convert your factory engine into a high-revving, high-output 70cc powerhouse. Entirely cast from high-grade aluminum and treated with a specialized Motor-Nicksil (Nickel-Silicon) coating, this cylinder guarantees exceptional thermal dissipation, minimal friction, and optimal wear resistance to deliver a substantial increase along the entire power curve while maintaining strict reliability. This complete bolt-on kit comes loaded with everything required for a flawless installation—including a precision-machined aluminum cylinder, a matching high-compression cylinder head, a premium domed-head piston with a 10mm wrist pin, rings, and a specific high-tightness gasket set—allowing you to dramatically increase top-end speed and low-end torque without requiring any structural engine modifications to your original factory crankcase.
Keep your Yamaha 250 YZ running cool and leak-free with the Athena P400485475005 Water Pump Repair Kit. Engineered specifically for Yamaha 250 YZ models from 1999-2023, this premium-quality rebuild kit includes the essential gaskets, seals, and washers required to restore proper water pump operation and cooling system performance. Athena is recognized worldwide for manufacturing high-performance motorcycle gaskets and engine components trusted by professional mechanics, motocross racers, and off-road enthusiasts. This kit is designed to deliver dependable sealing performance under demanding riding conditions while maintaining OEM-level fit and reliability. Whether you are repairing a leaking water pump, rebuilding your cooling system, or performing preventative maintenance, the Athena P400485475004 kit provides a durable and cost-effective solution for your dirt bike.
