fits model: Cr500r. make: Honda. year: 1987.

( Manufacturer Part Number: 12100-KA5-690 ), ( Type: Cylinder With Piston )
The 12100-ka5-690 engine motor cylinder jug barrel for the 1987 Honda CR500R is a crucial component of this iconic two-stroke dirt bike. This cylinder jug barrel is a vital part of the engine's combustion chamber, responsible for housing the piston and facilitating the combustion process.
The barrel is made of high-quality aluminum alloy, ensuring both lightweight and durability. Its sleek design is a testament to Honda's engineering excellence, with a polished finish that not only looks great but also reduces friction for smoother operation. The barrel is precision-machined, ensuring perfect fit and alignment with other engine parts.
The 12100-ka5-690 cylinder jug barrel features a 79mm bore, which is optimal for the CR500R's powerful two-stroke engine. The barrel is also designed with an oversquare bore-stroke ratio, which provides superior power and torque. The barrel's internal shape is optimized for efficient combustion, ensuring optimal engine performance.
The piston that fits into this barrel is a work of art in itself. Made from forged aluminum, it's designed for maximum strength and durability. The piston's crown is shaped to optimize combustion, while the skirt is designed to reduce friction with the cylinder barrel. The piston ring grooves are precision-machined to ensure a tight seal with the piston rings, reducing oil consumption and maintaining engine compression.
In summary, the 12100-ka5-690 cylinder jug barrel and piston for the 1987 Honda CR500R are essential components of this legendary dirt bike's engine. Their high-quality materials, precision engineering, and optimized design ensure maximum performance, durability, and reliability. Whether you're a seasoned racer or a dedicated enthusiast, this barrel and piston set will provide the power and performance you need to dominate the track or just enjoy a great ride.
Pros of buying a 12100-KA5-690 Honda CR500R engine motor cylinder jug barrel piston:1. Authenticity: This part is directly from Honda, ensuring that it is a genuine replacement for your motorcycle engine.
2. Quality: Honda is known for producing high-quality engine components, and this part is no exception.
3. Fit and Function: Since it's a direct replacement, you can expect a seamless fit and optimal functionality.
4. Warranty: Honda offers a warranty on this part, providing peace of mind in case of any defects.
Cons of buying a 12100-KA5-690 Honda CR500R engine motor cylinder jug barrel piston:1. Price: Honda parts can be more expensive than aftermarket alternatives.
2. Availability: Depending on your location, it might take longer to receive the part due to shipping times or local availability.
3. Upgrade potential: If you're looking to upgrade your engine or modify it in any way, an aftermarket part might offer more options.
Conclusion:If you value original parts, prioritize quality, and want a reliable fit and function, buying the 12100-KA5-690 Honda CR500R engine motor cylinder jug barrel piston is a solid choice. However, if you're on a tight budget or looking for more upgrade potential, you might want to consider aftermarket alternatives. Ultimately, the decision depends on your specific needs and priorities.
The part you see in pictures is one will receive so look carefully at them to make sure this want and need.
Nelsen motor sports 1987 Honda CR500R engine motor cylinder bore jug barrel piston this with is in good usable condition and shows normal signs of wear. We ask that you take note and understand cannot guarantee the condition of seals, bearings, o-rings, oil, etc. If you are purchasing an assembly engine cases, carburetors etc.
Removed from: 1987 Honda CR500R please review all pictures above and below to assess the condition of item.
Bore is about 89.
Many parts will fit other units as well but it is up to you do the research in that respect.
Or a suspension component forks, shocks, linkages etc. See pics for condition.