ECHO A056000050 Chainsaw Clutch CS-670 CS-680 QV-670 QV-680

( Brand: Echo ), ( Manufacturer Part Number: A056000050 ), ( Model: CS-670 CS-680 QV-670 QV-680 ), ( Compatible Brand: For Echo ), ( Engine Type: 2-stroke ), ( Type: Clutch ), ( Power Source: Gasoline ), ( Compatible Model: Cs-680, Qv-670, Qv-680, Cs-670 ), ( Compatible Product: Chainsaw )

Review ECHO Chainsaw Clutch Assembly Japan

The A05 Series Clutches from Echo are specifically designed for use with their CS-670, CS-680, QV-670, and QV-680 chainsaws. These clutches are an essential component of the chainsaw's drive system, responsible for engaging and disengaging the chain drive mechanism.

The A05 Series Clutches feature a robust design with a durable cast iron housing that provides excellent heat dissipation and protection against shock loads. The clutch shoes are made from high-quality, wear-resistant materials that ensure long-lasting performance and reliability.

The CS-670 and CS-680 models utilize a centrifugal clutch mechanism, which automatically engages the chain drive when the chainsaw reaches a certain RPM. This feature helps prevent the chain from engaging too quickly during start-up, reducing the risk of kickback and making the saw easier to control.

The QV-670 and QV-680 models, on the other hand, come with an inertia-activated clutch system. This type of clutch engages the chain drive when the saw encounters resistance, such as when cutting through thick wood. The inertia-activated clutch provides excellent power transfer and makes the saw ideal for heavy-duty cutting tasks.

The A05 Series Clutches are easy to install and maintain. They come with clear instructions and all necessary hardware for a hassle-free installation process. Regular maintenance, such as checking the clutch shoes for wear and adjusting the clutch tension, can help ensure the longevity of the clutch and the overall performance of the chainsaw.

In summary, the Echo A05 Series Clutches (CS-670, CS-680, QV-670, and QV-680) are high-quality, durable components designed to provide reliable and efficient power transfer for your Echo chainsaw. Their robust design, easy installation, and simple maintenance make them an excellent choice for both homeowners and professional woodworkers.

The Echo CS-670 and CS-680, as well as the QV-670 and QV-680 clutches, are common options for Echo chainsaws. Both the CS and QV series clutches share some similarities but also have distinct differences. Let's discuss the pros and cons of each:

1. Durable design: The CS series clutches are known for their robust construction, ensuring long-lasting performance.

2. Easy adjustment: The CS clutches come with an easy-to-adjust mechanism, allowing users to fine-tune the clutch engagement for their specific applications.

3. Suitable for various chainsaw models: The CS-670 and CS-680 clutches are compatible with a wide range of Echo chainsaws.

1. Manual adjustment: The manual adjustment process may be time-consuming and requires some level of expertise.

2. Not ideal for heavy-duty applications: The CS clutches may not handle the most demanding tasks as effectively as other options.

1. Automatic adjustment: The QV series clutches feature an automatic adjustment mechanism, making the process more convenient and precise.

2. Enhanced power transfer: The QV clutches provide better power transfer to the chain, resulting in improved cutting efficiency.

3. Suitable for heavy-duty applications: The QV clutches are designed to handle the most challenging tasks, making them an excellent choice for professionals or heavy-duty use.

1. Higher cost: The QV series clutches typically cost more than the CS series clutches due to their advanced features.

2. Limited compatibility: The QV clutches are only compatible with specific Echo chainsaw models.

In conclusion, the choice between the CS-670/CS-680 and QV-670/QV-680 clutches depends on your specific requirements. If you prioritize ease of use, affordability, and versatility, the CS series clutch may be the better option for you. However, if you require high power transfer and the ability to handle heavy-duty tasks, the QV series clutch is the recommended choice.

Overall, Echo's CS and QV series clutches offer robust and efficient solutions for various chainsaw applications. By considering the unique features and benefits of each, you can make an informed decision based on your individual needs and preferences.

Details:

Ship to USA only. Echo Chainsaw Clutch Assembly CS-670 CS-680 QV-670 QV-680 A056000050, JAPAN, This is an authentic, brand new, made in Japan ECHO Iambic clutch for chainsaw model's: CS-670, CS-680, CS-680S, QV-670. Please see pictures for details.

part #: a056000050 prices

• $55.00-$98.99

specifications sawpancho:

• brand: Echo
• mpn: A056000050
• model: Cs-670 Cs-680 Qv-670 Qv-680
• compatible brand: For Echo
• engine type: 2-stroke
• type: Clutch
• power source: Gasoline
• compatible model: Cs-680, Qv-670, Qv-680, Cs-670
• compatible product: Chainsaw

payments sawpancho:

• other
• credit card: Discover
• wallet: Google-pay

returns sawpancho:

• policy: No Returns

seller sawpancho:

• # reviews: 272
• rating: 100.0%
• city: Pasco, Washington

offer sawpancho:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: May 10, 2026
• quantity: 1
• best offers: True

shipping sawpancho:

• type: Calculated
• cost: $8.13
• transit: 4-8 Days
• service: USPS Ground Advantage
• carrier: USPS
• class: Standard

general sawpancho:

• Yard, Garden Outdoor Living > Outdoor Power Equipment > Chainsaw Parts
• condition: New

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