1. Engine Bearings Parts
  2. sku: 10232856570670983
  3. PERFECT CIRCLE MS-1109P

PERFECT CIRCLE MS-1109P Engine Bearings 1.5L

fits model: Std. make: Triumph. year: 1975–1979.

Ms-1109p Perfect Circle Engine Main Bearings Std 1975-1979 Mg Triumph 1.5l

( Brand: Perfect Circle ), ( Part Type: Bearing Engine ), ( Manufacturer Part Number: MS-1109P )

Review PERFECT CIRCLE Engine Main Bearings Mg Triumph 1.5l fits STD 1975–1979

The MS-1109P engine bearings from Circle Racing are specifically designed for Triumph motorcycles with the 1.5L engine, manufactured between the years 1975 and 1979. These engine bearings provide an excellent upgrade solution for riders seeking enhanced performance and reliability for their classic bikes.

Constructed using high-quality materials, these bearings are engineered to meet and exceed OEM specifications. Each bearing is made from a durable, heat-resistant steel alloy, ensuring strength and longevity. The bearing surfaces are precision machined to ensure a perfect fit and smooth operation.

The MS-1109P engine bearings from Circle Racing are designed to reduce friction and increase engine efficiency. The bearings are also engineered to handle increased power output, making them an ideal choice for riders who have upgraded their engines or plan to do so in the future.

Additionally, these engine bearings offer improved sealing capabilities. The high-quality seals used in the bearings help prevent oil leaks, ensuring that your engine stays properly lubricated and runs smoothly.

Installing these engine bearings is a straightforward process, making them a popular choice among DIY enthusiasts and professional mechanics alike. Each set comes with clear installation instructions and all necessary hardware.

In summary, the MS-1109P engine bearings from Circle Racing are a high-quality, reliable, and durable solution for Triumph motorcycle owners with 1.5L engines manufactured between 1975 and 1979. These engine bearings offer improved performance, efficiency, and sealing capabilities, making them an excellent investment for any classic Triumph motorcycle.

Buying MS-1109P engine bearings for a 1.5L Triumph (1975-1979) can be a consideration for those looking to replace their worn-out bearings. Here are some potential pros and cons to help you make an informed decision:

Pros:

1. Original Equipment (OE): MS-1109P bearings are original equipment bearings for Triumph engines during the specified period. This can ensure a proper fit and function.

2. High-Quality Material: These bearings are made of high-quality material, which can provide better durability and longer service life than aftermarket alternatives.

3. Reduced Engine Noise: Worn-out bearings can cause engine noise, and new bearings can help reduce or eliminate that noise.

4. Improved Performance: New bearings can help improve engine performance by reducing friction and ensuring a proper seal.

Cons:

1. Cost: MS-1109P bearings can be more expensive than aftermarket alternatives due to their OE status and high-quality materials.

2. Limited Availability: These bearings may not be as widely available as aftermarket options, which could make sourcing them more difficult.

3. Installation Complexity: Installing OE bearings may require more time and expertise than aftermarket alternatives due to their precise fit and installation procedures.

Conclusion:

MS-1109P engine bearings can offer several benefits for those looking to replace their worn-out bearings on a 1.5L Triumph engine from the specified period. These benefits include a proper fit, high-quality materials, reduced engine noise, and improved performance. However, they come with a higher cost, limited availability, and potential installation complexity.

Recommendation:

If you prioritize the benefits of OE bearings and have the budget for it, then MS-1109P engine bearings are a good choice. However, if you're on a tight budget or prefer the convenience of widely available aftermarket alternatives, then you may want to consider those instead. Regardless of your decision, make sure to consult your vehicle's repair manual or a professional mechanic for proper installation procedures.

Details:

If any manufacturer warranty exists, it is between you and them. Be sure the part you are buying is correct for your application. ONCE Purchased YOU OWN IT. Shipping:: Free Shipping is for continental USA only.

None of which makes the part Defective. There may be minor corrosion, scuffs, torn or missing boxes, scratches from storage, etc. Rubber parts, gaskets, hardware may need to be replaced and not usable. Perfect Circle part number MS-1109P.

Sometimes the fitment is so old that it does not take into account trim, engine size or build dates. Or any other minor issue that does not make the part you are buying DEFECTIVE. They may have been in storage anywhere from 1-30 years. These bearings are standard size.

specifications engibearing:

  • for models: Std
  • for makes: Triumph
  • for years: 1975-1979
  • brand: Perfect Circle
  • part type: Bearing Engine
  • manufacturer part number: MS-1109P

offer engibearing:

  • availability: In Stock
  • started: October 10, 2025
  • sold: 0
  • quantity: 1
  • options: Ship-to-home

general engibearing:

  • condition: New other see details
  • Car Truck Parts Accessories > Engines Engine Parts > Engine Bearings

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  • city: Houston, Texas
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for models: std, for makes: triumph, for years: 1975-1979, part type: bearing engine,
category: auto parts > car truck parts accessories > engines engine parts > engine bearings, sku: 10232856570670983,

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