fits model: Mr175, Cr125r. make: Honda.

( Manufacturer Part Number: 91004-KA3-003 ), ( Part Type: Bearing Crankshaft )
The 91004-KA3-003 Honda NOS Crankshaft Big Bearing is a top-notch replacement part designed specifically for Honda MR175 and CR125R enduro bikes. This crankshaft is a new old stock (NOS) part, meaning it's a brand new, factory-sealed component that has been in storage since its production date.
The 91004-KA3-003 Honda crankshaft is made of high-quality materials, ensuring durability and reliability. It features a large bearing design, which is essential for reducing friction and wear, resulting in smoother engine operation and increased engine life. The big bearing design also contributes to better engine balance and reduced vibration, leading to a more comfortable riding experience.
This crankshaft is a direct replacement for the original part, ensuring a perfect fit on your MR175 or CR125R enduro bike. The 91004-KA3-003 Honda NOS Crankshaft Big Bearing is an excellent choice for riders who are looking for a high-performance replacement part that will help maintain the overall performance and longevity of their engine. By using this high-quality crankshaft, you can rest assured that your bike will continue to deliver the power and reliability you expect from a Honda enduro bike.
Pros of buying a 91004-KA3-003 Honda NOs Crankshaft Big Bearing MR175 CR125R End:1. Replacement Part: This crankshaft is a replacement part for Honda MR175 and CR125R models, ensuring compatibility and reliability for your motorcycle.
2. High-Quality Material: The NOs crankshaft is made from high-quality materials, providing durability and longevity for your engine.
3. Enhanced Performance: A new crankshaft can improve the overall performance of your motorcycle, including better engine response, increased power, and improved fuel efficiency.
4. Cost-Effective: Replacing a worn-out or damaged crankshaft can save you money in the long run by preventing more significant engine damage.
Cons of buying a 91004-KA3-003 Honda NOs Crankshaft Big Bearing MR175 CR125R End:1. Expense: Replacing a crankshaft can be an expensive repair, and it may not be covered under warranty, depending on your motorcycle's service history.
2. Requires Expertise: Installing a crankshaft requires specialized tools and expertise, so it may be best to have a professional mechanic perform the installation for you.
3. Time-Consuming: Installing a crankshaft is a time-consuming process, so you may have to schedule your motorcycle for maintenance and repair work.
In conclusion, while the 91004-KA3-003 Honda NOs Crankshaft Big Bearing MR175 CR125R End is a high-quality replacement part that can improve your motorcycle's performance, it is also an expensive and time-consuming repair that requires specialized expertise. If your motorcycle's crankshaft is damaged or worn out, it is generally a good idea to replace it to prevent further engine damage and improve overall performance. However, it is essential to weigh the costs and benefits and consider having a professional mechanic perform the installation to ensure a successful repair.
Honda nos CR125R MR175 crankshaft big-end main bearing. Zero to three grooves in the edge of crank pin determine which bearing use on big end. Part: 91004-ka3 correct for 1981, cr 125 model years. Original package has never been opened.
Size one or standard no groove on crank pin. Honda uses different sizes of bearings for both the big end and small. Your complete satisfaction is my goal as proven out by rating.
Will also work on 1975, mr this part has been long discontinued from Honda. I m happy to answer any questions or give more specifics just send me a message.