Specifications
- Brand
- Athena
- Part #
- S410485303077
Athena 19-21 Yamaha YZ 85 Exhaust Valves (For Athena Cylinder Kit)
$243.67
Athena 19-21 Yamaha YZ 85 Exhaust Valves (For Athena Cylinder Kit). Composite fiber petals improve airflow for better engine performance.
Key Features
- Fits 2019-2021 Yamaha YZ 85 models when used with an Athena cylinder kit.
- Composite fiber petals allow for a higher airflow rate.
- Promotes a homogenous flow during the suction phase for improved engine efficiency.
- Designed as a direct replacement for original exhaust valves.
- Suitable for use on modified or 'elaborated' engines.
Product Details
If you're rebuilding the top end of your 2019-2021 Yamaha YZ 85, especially with an Athena cylinder kit, these exhaust valves are a key component. They work with the cylinder to control the flow of the air-fuel mixture into the engine and the exhaust gases out. Getting this flow right is crucial for how your engine runs.
Athena uses composite fiber petals in these valves. This material choice allows for a higher airflow rate compared to stock, and it helps create a more consistent and homogenous flow during the intake stroke. This means your engine can breathe better, which can lead to improved performance. These valves are also designed to work well even on engines that have been modified or 'elaborated' for more power.
Specifications
- Brand
- Athena
- Manufacturer Part #
- S410485303077
Frequently Asked Questions
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Athena 19-21 Yamaha YZ 85 Exhaust Valves (For Athena Cylinder Kit)