DAYCO 138-5120 Drive Belt

( Brand: Dayco ), ( Manufacturer Part Number: 138-5120 ), ( Part Type: Drive Belt )

Review DAYCO Skidoo Snowmobile Drive Belt fits FORMULA MACH 600 700 800

The Dayco 138-5120 is a high-performance drive belt designed specifically for Ski-Doo Formula 600, 700, and 800 machines. This belt is engineered to deliver exceptional durability and reliability, ensuring optimal power transmission between the engine and the clutch.

The 138-5120 belt is made from a proprietary rubber compound that provides superior resistance to wear and tear. It features a unique V-rib design, which enhances the belt's flexibility and allows it to conform to the contours of the pulleys for a perfect fit. This design also helps to reduce belt slippage and improve overall drive system efficiency.

The belt's inner rubber core is reinforced with aramid fibers, providing additional strength and durability. These fibers help to prevent belt failure under heavy loads and extreme temperatures. The belt's outer cover is made from a high-tenacity polyester material, which protects the belt from abrasion and damage caused by debris and other external factors.

The Dayco 138-5120 drive belt is also designed to provide excellent belt life, even in the most demanding conditions. It meets or exceeds OEM specifications for belt length, width, and tension, ensuring a proper fit and optimal performance.

Installing the 138-5120 belt on your Ski-Doo Formula 600, 700, or 800 machine is a straightforward process. It comes with detailed installation instructions and all necessary hardware, including belt tensioners and idler wheels. The belt is also backed by Dayco's industry-leading warranty, giving you peace of mind and protection against defects.

In summary, the Dayco 138-5120 is a premium quality drive belt that is specifically designed for Ski-Doo Formula 600, 700, and 800 machines. It is engineered to deliver superior durability, flexibility, and efficiency, ensuring optimal power transmission and extended belt life. Whether you're a weekend warrior or a professional racer, this belt is the ideal choice for keeping your Ski-Doo running at its best.

Pros and Cons of Buying Dayco 138-5120 Skidoo Formula 600, 700, 800 Mach Drive Belt

The Dayco 138-5120 is a drive belt specifically designed for Skidoo Formula 600, 700, and 800 machines. This belt is an essential component of the snowmobile's power transmission system. Let's discuss the pros and cons of buying this particular drive belt.

1. High-Quality Material: The Dayco 138-5120 is made from high-quality rubber compound and reinforced with strong fiber material, ensuring durability and resistance to wear and tear.

2. Proper Fit: This belt is specifically designed for Skidoo Formula 600, 700, and 800 models, ensuring a perfect fit and optimal performance.

3. Enhanced Power Transmission: The belt features a unique design that enhances power transmission, leading to improved acceleration and overall performance.

4. Wide Availability: Being a popular choice among Skidoo users, this belt is widely available from various retailers and can be easily purchased online or in-store.

1. Cost: The Dayco 138-5120 may be priced higher than some aftermarket alternatives, which could be a concern for budget-conscious consumers.

2. Replacement Frequency: Depending on the usage and conditions, the drive belt may need to be replaced more frequently, adding to the long-term cost.

3. Installation Complexity: Installing the drive belt may require some technical expertise and tools, which could be a challenge for some users.

The Dayco 138-5120 Skidoo Formula 600, 700, 800 Mach Drive Belt offers several advantages, including high-quality materials, proper fit, enhanced power transmission, and wide availability. However, it comes with some drawbacks, such as a higher cost, replacement frequency, and installation complexity. Ultimately, the decision to buy this belt depends on your budget, technical skills, and desired performance.

If you prioritize high performance, durability, and a perfect fit for your Skidoo Formula 600, 700, or 800 model, the Dayco 138-5120 drive belt is an excellent choice. However, if you're on a tight budget or prefer a more affordable alternative, you may consider exploring aftermarket options. Be sure to consult your snowmobile's user manual for specific belt recommendations and installation instructions.

Details:

Thanks, -Paul. This SkiDoo CK3 triple chassis snowmobile belt works fine, but does have some wear as pictured.

part #: 1385120 prices

• $54.66-$69.50

specifications snowpar:

• for models: 600, 700, 800, Formula, Mach
• for makes: Skidoo
• brand: Dayco
• mpn: 138-5120
• part type: Drive Belt

payments snowpar:

• other
• credit card: Diners-club
• wallet: Google-pay

shipping snowpar:

• service: Economy
• type: Fixed
• class: Economy
• transit: 4-7 Days
• cost: $0.00

returns snowpar:

• policy: Returns Accepted
• paid by: Buyer
• time: 14 Days

offer snowpar:

• started: May 30, 2025
• options: Ship-to-home
• availability: In Stock
• sold: 0
• quantity: 1

seller snowpar:

• city: Clarksville, Michigan
• rating: 99.7%
• # reviews: 10668

general snowpar:

• Parts Accessories > Snowmobile Parts > Other Parts
• condition: Used

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