Echo 452vl: The Two-Stroke Powerhouse

echo 452vl

The Echo 452VL chainsaw is a formidable two-stroke powerhouse that has earned a reputation for its reliability and performance.

With its sturdy construction and powerful engine, this chainsaw is a popular choice among professional loggers and homeowners alike.

Key Takeaways

  • The Echo 452VL was a two-stroke, single cylinder gasoline engine chainsaw manufactured by Echo (Kioritz Corporation) in Japan from 1975 to 1983.
  • It had an engine displacement of 44.3 ccm (2.69 cu. in.) and a maximum engine RPM of 9,500 to 10,500.
  • The chainsaw had a die cast magnesium and injection molded polymer construction, with an anti-vibration handlebar system and automatic oil pump with manual override.
  • It had a recommended fuel octane of 89 regular automotive, but could also use Aspen2 pre-mixed Alkylate fuel for best results.

Echo 452vl

Manufactured by Echo (Kioritz Corporation) in Yokosuka, Morioka Japan, the Echo 452VL was introduced in 1975 and remained in production until 1983. Equipped with a 44.3ccm (2.69 cu. in.) air-cooled, single-cylinder gasoline engine, the Echo 452VL boasts an impressive maximum RPM of 9,500 to 10,500.

Its anti-vibration handlebar system, automatic oil pump, and 3 metal shoe centrifugal clutch make it a versatile and reliable tool for a variety of cutting tasks.

Despite being discontinued for several decades, the Echo 452VL remains a sought-after chainsaw among enthusiasts, and its enduring popularity is a testament to its superior performance and durability.

In this article, we will delve deeper into the features and specifications of the Echo 452VL, and explore why it continues to be a favorite among chainsaw users.


The Echo 452VL is a two-stroke gasoline-powered chainsaw that is renowned for its high performance and durability. With its 44.3cc air-cooled single-cylinder engine, the chainsaw is capable of delivering a maximum RPM of 9,500 to 10,500.

The carburetor options available for this model are the Tillotson HU-9B and the Walbro WA. The chainsaw also features a flywheel magneto ignition system, which is known for its reliability and efficiency.

To ensure optimal performance and longevity of the Echo 452VL, regular maintenance is necessary. Some maintenance tips to keep in mind include using the recommended oil and fuel mixture, keeping the air filter clean, and regularly inspecting the chainsaw for any signs of wear and tear.

When comparing the performance of the Echo 452VL to other chainsaws, it is important to consider factors such as power output, fuel efficiency, and ease of use. Overall, the Echo 452VL is a powerful and reliable chainsaw that is well-suited for a range of cutting tasks.


Engine displacement of the Echo 452VL is 44.3 ccm, with a cylinder bore of 42 mm and a piston stroke of 32 mm. This two-stroke, single cylinder gasoline engine is air-cooled and features an aluminum cylinder with chrome plated bore.

The intake method is piston ported, while the magneto type is flywheel magneto. The carburetor for the Echo 452VL is either Tillotson HU-9B or Walbro WA, and there are major and minor repair kits available for both types.

The air filter system is made of nylon mesh element, while the recommended spark plug type is NGK BM6A or Champion CJ8, with a spark plug gap of 0.61 to 0.71 mm.

Maintenance tips for the Echo 452VL include using ECHO two-cycle oil and fuel with a recommended octane level of 89 regular automotive. The fuel oil ratio should be 50:1 with ECHO oil, or 32:1 otherwise. The mix oil specification is ISO-L-EDG and Jaso M345/FD.

The maximum engine RPM for the Echo 452VL is between 9,500 to 10,500, while the idle RPM is between 2,500 to 2,800. The ignition timing is set at 30 degrees before TDC, and the flywheel/coil air gap should be between 0.30 to 0.40 mm.

Performance comparisons with other chainsaws of similar specifications reveal the Echo 452VL as a reliable and powerful option for a variety of cutting tasks.


One notable aspect of the Echo 452VL is its anti-vibration handlebar system. This feature is designed to reduce operator fatigue by minimizing the amount of vibration and shock that is transferred to the hands and arms during use.

The handlebars are mounted on rubber isolators that absorb and dampen the vibrations produced by the engine and cutting chain.

This not only improves operator comfort, but also enhances the precision and accuracy of the cutting action.

Another noteworthy feature of the Echo 452VL is its automatic oil pump with manual override. This system is responsible for delivering oil to the cutting chain to lubricate and cool it during use.

The oil pump is automatic, meaning that it provides a consistent and reliable flow of oil to the chain at all times. However, the system also has a manual override feature that allows the operator to control the flow of oil if necessary.

This can be particularly useful in situations where the cutting conditions are more demanding than usual, or when the operator needs to conserve oil for longer periods of use.

Overall, these features make the Echo 452VL a powerful and versatile tool for a wide range of cutting applications.

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