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Product description
The Cometic Top End Gasket Kit For Yamaha SR 500 1978-1981 is part of the latest collection from Cometic.
Features:
- Top end gasket kit includes correct base, head gasket and cylinder O-rings as well as other top end specific O-rings or seals needed for R&R of top end
- MLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring seal for more power
- 4-stroke head gaskets are made to perform on todayâ€s highest-output 4-stroke naturally aspirated and boosted machines, utilizing a multi-layered steel design with the outer layers being embossed and coated with a Viton rubber coating; these head gaskets are designed to meet the demands of today's high-horsepower, high-cylinder-pressure engines
- EST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base and rocker gaskets covered with a proprietary rubber material
- Head gasket material allows heat to be drawn away from the combustion ring and dissipated evenly across the gasket surface to eliminate hot spots and gasket failure
- Made in the USA Head and base gasket only.
Specifications:
- Bore Size: 90.00 mm (3.543")
- Engine Type: 4-Stroke
- Material: CFM-20
- Model: Hi-Performance
- Product Name: Gasket Kit
- Thickness: 1.09 mm (0.043")
- Type: Top End
- Units: Kit
To fit:
- YAMAHA SR 500 1978 American Models
- YAMAHA SR 500 1978 European Models
- YAMAHA SR 500 1979 American Models
- YAMAHA SR 500 1979 European Models
- YAMAHA SR 500 1980 American Models
- YAMAHA SR 500 1980 European Models
- YAMAHA SR 500 1981 American Models
- YAMAHA SR 500 1981 European Models
- YAMAHA XT 500 1976 American Models
- YAMAHA XT 500 1976 European Models
- YAMAHA XT 500 1977 American Models
- YAMAHA XT 500 1977 European Models
- YAMAHA XT 500 1978 American Models
- YAMAHA XT 500 1978 European Models
- YAMAHA XT 500 1979 American Models
- YAMAHA XT 500 1979 European Models
- YAMAHA XT 500 1980 American Models
- YAMAHA XT 500 1980 European Models
- YAMAHA XT 500 1981 American Models
- YAMAHA XT 500 1981 European Models
Manufacturer part number: C7252
View all Cometic. View all Parts and spares.
Contents
Your package will include the following:
- 1 X Cometic Top End Gasket Kit For Yamaha SR 500 1978-1981
To fit:
- YAMAHA SR 500 1978 American Models
- YAMAHA SR 500 1978 European Models
- YAMAHA SR 500 1979 American Models
- YAMAHA SR 500 1979 European Models
- YAMAHA SR 500 1980 American Models
- YAMAHA SR 500 1980 European Models
- YAMAHA SR 500 1981 American Models
- YAMAHA SR 500 1981 European Models
- YAMAHA XT 500 1976 American Models
- YAMAHA XT 500 1976 European Models
- YAMAHA XT 500 1977 American Models
- YAMAHA XT 500 1977 European Models
- YAMAHA XT 500 1978 American Models
- YAMAHA XT 500 1978 European Models
- YAMAHA XT 500 1979 American Models
- YAMAHA XT 500 1979 European Models
- YAMAHA XT 500 1980 American Models
- YAMAHA XT 500 1980 European Models
- YAMAHA XT 500 1981 American Models
- YAMAHA XT 500 1981 European Models

Cometic manufactures high-performance gaskets and engine sealing solutions for motorcycles, scooters, and powersports vehicles. Known for precision engineering and premium materials, Cometic products deliver reliable sealing, durability, and improved engine performance. Trusted by racers and mechanics worldwide, Cometic gaskets are designed to withstand extreme temperatures and pressures in demanding riding conditions.
Product description
The Cometic Top End Gasket Kit For Yamaha SR 500 1978-1981 is part of the latest collection from Cometic.
Features:
- Top end gasket kit includes correct base, head gasket and cylinder O-rings as well as other top end specific O-rings or seals needed for R&R of top end
- MLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring seal for more power
- 4-stroke head gaskets are made to perform on todayâ€s highest-output 4-stroke naturally aspirated and boosted machines, utilizing a multi-layered steel design with the outer layers being embossed and coated with a Viton rubber coating; these head gaskets are designed to meet the demands of today's high-horsepower, high-cylinder-pressure engines
- EST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base and rocker gaskets covered with a proprietary rubber material
- Head gasket material allows heat to be drawn away from the combustion ring and dissipated evenly across the gasket surface to eliminate hot spots and gasket failure
- Made in the USA Head and base gasket only.
Specifications:
- Bore Size: 90.00 mm (3.543")
- Engine Type: 4-Stroke
- Material: CFM-20
- Model: Hi-Performance
- Product Name: Gasket Kit
- Thickness: 1.09 mm (0.043")
- Type: Top End
- Units: Kit
To fit:
- YAMAHA SR 500 1978 American Models
- YAMAHA SR 500 1978 European Models
- YAMAHA SR 500 1979 American Models
- YAMAHA SR 500 1979 European Models
- YAMAHA SR 500 1980 American Models
- YAMAHA SR 500 1980 European Models
- YAMAHA SR 500 1981 American Models
- YAMAHA SR 500 1981 European Models
- YAMAHA XT 500 1976 American Models
- YAMAHA XT 500 1976 European Models
- YAMAHA XT 500 1977 American Models
- YAMAHA XT 500 1977 European Models
- YAMAHA XT 500 1978 American Models
- YAMAHA XT 500 1978 European Models
- YAMAHA XT 500 1979 American Models
- YAMAHA XT 500 1979 European Models
- YAMAHA XT 500 1980 American Models
- YAMAHA XT 500 1980 European Models
- YAMAHA XT 500 1981 American Models
- YAMAHA XT 500 1981 European Models
Manufacturer part number: C7252
View all Cometic. View all Parts and spares.
Contents
Your package will include the following:
- 1 X Cometic Top End Gasket Kit For Yamaha SR 500 1978-1981
To fit:
- YAMAHA SR 500 1978 American Models
- YAMAHA SR 500 1978 European Models
- YAMAHA SR 500 1979 American Models
- YAMAHA SR 500 1979 European Models
- YAMAHA SR 500 1980 American Models
- YAMAHA SR 500 1980 European Models
- YAMAHA SR 500 1981 American Models
- YAMAHA SR 500 1981 European Models
- YAMAHA XT 500 1976 American Models
- YAMAHA XT 500 1976 European Models
- YAMAHA XT 500 1977 American Models
- YAMAHA XT 500 1977 European Models
- YAMAHA XT 500 1978 American Models
- YAMAHA XT 500 1978 European Models
- YAMAHA XT 500 1979 American Models
- YAMAHA XT 500 1979 European Models
- YAMAHA XT 500 1980 American Models
- YAMAHA XT 500 1980 European Models
- YAMAHA XT 500 1981 American Models
- YAMAHA XT 500 1981 European Models

Cometic manufactures high-performance gaskets and engine sealing solutions for motorcycles, scooters, and powersports vehicles. Known for precision engineering and premium materials, Cometic products deliver reliable sealing, durability, and improved engine performance. Trusted by racers and mechanics worldwide, Cometic gaskets are designed to withstand extreme temperatures and pressures in demanding riding conditions.































