Quad and UTV exhaust valves - performance, durability and full engine compression

Exhaust valves for ATV / UTV are one of the most important elements of the timing system. They are responsible for the effective removal of exhaust gases from the combustion chamber, and their condition has a direct impact on the power, smooth operation and engine life. At Bajamoto you will findexhaust valves for popular models ofYamaha, Polaris, Can-Am, CF Moto, Suzuki, Kymcoand many others. We offer products from the ProX, Athena, Hot Cams, Namura and All Balls brands - leaders in the field of engine parts for quads.

Why are exhaust valves so important?

Exhaust valves work in extreme conditions - they are in direct contact with hot exhaust gases, so they must be resistant to temperatures exceeding 800°C, spring pressure and erosion of exhaust gases. Their wear causes compression loss, smoking, uneven engine operation and increased oil consumption. That is why it is so important to replace valves with products from reputable manufacturers.

• valves made of hardened steel, chrome-nickel or titanium,
• coatings increasing resistance to abrasion and corrosion,
• precise fit to OEM sockets and guides,
• compatibility with 4T engines and high-performance sports units,
• OEM products and premium substitutes.

The most frequently chosen exhaust valves in Bajamoto

• ProX Exhaust Valves – Japanese precision and perfect fit with OEM sockets,
• Athena Exhaust Valves – steel and titanium valves with increased heat resistance,
• Hot Cams Valves – performance valves for ATV sports engines
• Namura Exhaust Valves – light, hardened valves for 4T engines
• All Balls Valve Components – valve accessory kits for quads and UTVs.

Symptoms of worn exhaust valves

• difficulty starting the engine,
• loss of power and compression,
• smoke from the exhaust (gray-blue smoke),
• loud engine operation and metallic knocking from the head,
• uneven engine operation at low speeds.

If you notice these symptoms, exhaust valve replacement is a must. New valves will restore the engine's full power, smooth operation and durability, like in a new vehicle.

How to choose the right exhalation valves?

When selecting exhaust valves for a quad, pay attention to:

• engine model and capacity,
• number of valves (2 / 4 / 5),
• type of material (steel / titanium),
• whether the set includes guides and valve seals,
• OEM brand and specifications (e.g. ProX, Athena, Hot Cams).

Each product at Bajamoto contains a detailed description of compatibility and technical data, and our experts will help you choose valves tailored to your engine and riding style.

Related categories in Bajamoto

See also: 👉 Quad and UTV intake valves 👉 Quad and UTV valve seals 👉 Quad and UTV timing chains

Exhalation valves tested in practice

Every Quad and UTV exhaust valve available at Bajamoto has been tested by our off-road racers and mechanics. ProX and Athena products meet OEM standards, and Hot Cams and Namura are the choice for those who want maximum performance. With them, your engine will breathe at full power and maintain compression for long seasons of driving. 🔥

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