1. Motorcycle/Scooter Air Filters Deals
  2. sku: 9885745324051602
  3. UNI FILTER ORUN-ER509045-ER

UNI FILTER ORUN-ER509045-ER Air Bike

fits model: Yz, 125. make: Yamaha. year: 1984–1985.

Orun-er509045-er Uni Filter 1984-1985 Yamaha Yz 125 Dirt Bike Air

( Brand: Uni Filter ), ( Manufacturer Part Number: ORUN-ER509045-ER )

Review UNI FILTER Yamaha Dirt Bike Air fits YZ 125 1984–1985

Introducing the UNI Filter model OR-UN-ER509045-ER, specifically designed for Yamaha YZ 125 bikes manufactured between 1984 and 1985. This air filter is an essential upgrade for your vintage motorcycle, ensuring optimal engine performance and longevity.

Crafted from high-quality pleated cotton media, this UNI filter boasts a large surface area for maximum airflow and filtration efficiency. The pleats are meticulously arranged to provide even air distribution, reducing pressure drops and maintaining consistent engine power.

The filter's design incorporates a synthetic oil coating on the media surface. This coating aids in the efficient trapping of dirt and contaminants, extending the filter's lifespan and reducing the need for frequent replacement. The oil coating also minimizes the risk of engine damage from dirt particles, ensuring smooth and reliable operation.

The OR-UN-ER509045-ER air filter is engineered to fit seamlessly into your Yamaha YZ 125's stock airbox. Its dimensions of 9.8 inches in length, 3.5 inches in width, and 3.3 inches in height make it an exact match for your bike's original filter. The filter's design also maintains the original airbox sealing, ensuring a secure and leak-free installation.

Overall, this UNI Filter offers a perfect blend of performance and durability for your classic Yamaha YZ 125. By improving airflow and filtration efficiency, you'll experience enhanced engine performance, increased power, and extended engine life. Upgrade your bike today with the OR-UN-ER509045-ER air filter.

Uni Filter vs. OEM Filter for a 1984-1985 Yamaha YZ125 Bike: A Comparison

Introduction:

When it comes to maintaining your Yamaha YZ125 bike, one of the essential components to consider is the air filter. Replacing the air filter regularly is crucial for optimal engine performance and longevity. In this comparison, we will discuss the pros and cons of using a universal filter (UNI Filter) versus the Original Equipment Manufacturer (OEM) filter for your 1984-1985 Yamaha YZ125.

Universal Filter (UNI Filter): Pros:

1. Cost-effective: Universal filters are generally more affordable than OEM filters.

2. Availability: They are widely available at local bike shops and online retailers.

3. Fitment:UNI filters are designed to fit multiple bike models, ensuring a proper fit for your Yamaha YZ125.

Cons:

1. Quality: Some universal filters may not match the OEM filter's performance and filtration capabilities.

2. Longevity: They may not last as long as OEM filters due to lower quality materials or construction.

3. Performance: Depending on the brand and design, universal filters may not offer the same level of engine protection and airflow as OEM filters.

Original Equipment Manufacturer (OEM) Filter: Pros:

1. Performance: OEM filters are designed specifically for your Yamaha YZ125, ensuring optimal engine performance and filtration.

2. Quality: They are made using higher quality materials and construction compared to universal filters.

3. Longevity: OEM filters typically last longer than universal filters due to their superior build quality.

Cons:

1. Cost: OEM filters are usually more expensive than universal filters.

2. Availability: They may be harder to find and purchase, especially for older models like the 1984-1985 Yamaha YZ125.

3. Limited Use: OEM filters are designed for one specific bike model, which means you cannot use them interchangeably with other bikes.

Conclusion:

When deciding between a universal filter and an OEM filter for your 1984-1985 Yamaha YZ125, consider your budget, availability, and performance requirements. If you prioritize cost-effectiveness and ease of availability, a universal filter may be the best choice for you. However, if you value superior performance and longer filter life, investing in an OEM filter would be a wise decision. Ultimately, it is essential to maintain your bike's air filtration system to ensure optimal engine performance and longevity.

Details:

I need to exchange an item. Uni air Filters are unsurpassed in airflow, dirt stopping and overall performance. The produce more horsepower and torque than any other air Filter. 1984 1985 Yamaha YZ 125 Dirt Bike Uni Filter Air Filter: Compatibility.

To complete the winning combination, apply Uni oil and cleaner. This is helpful if you are buying multiple items. Unis revolutionary two stage air Filter is the only that comes apart for maximum airflow and ultimate cleaning. Parts without fitment are to be assumed Universal and may require vehicle modification.

Brand: Uni Filter, model Number: ORUN-ER509045-ER.

part #: oruner509045 price

  • $34.34

specifications scoofilters:

  • for models: Yz, 125
  • for makes: Yamaha
  • for years: 1984-1985
  • brand: Uni Filter
  • mpn: Orun-er509045-er

returns scooFilters:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted

payments scooFilters:

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

offer scooFilters:

  • started: March 18, 2026
  • options: Ship-to-home
  • sold: 0
  • quantity: 9
  • availability: In Stock

general scooFilters:

  • Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Air Filters
  • condition: New

seller scooFilters:

  • rating: 99.9%
  • # reviews: 80386
  • city: San Marcos, CA

shipping scooFilters:

  • type: Fixed
  • service: Standard
  • class: Standard
  • transit: 3-7 Days
  • cost: $0.00
for models: yz, 125, for makes: yamaha, for years: 1984-1985,
category: motorcycle parts > motorcycle scooter parts accessories > air intake fuel delivery > air filters, sku: 9885745324051602,

Uni Filter ORUN-ER509045 Is Similar To:

scoofilters logo
1 offer $34.34 USD
  • Offer #1: $34.34 price + $0.00 shipping estimate = $34.34* total. UNI AIR FILTERS. Compatibility: 1984-1985 Yamaha YZ 125.FREE SHIPPING

Copyright © scoofilters.com