HONDA 12100-KCZ-000 Top Engine Motor Cylinder Jug Barrel End 73MM

( Manufacturer Part Number: 12100-KCZ-000 ), ( Type: Cylinder Jug )

Review HONDA Oem 73mm Engine Motor Cylinder Jug Barrel Bore Top End fits XR250R STD 1987

The Honda XR250R Standard motorcycle, produced in 1987, is a legendary off-road bike known for its durability and power. The heart of this machine is the 73mm engine, specifically the cylinder jug barrel top end, designated as the Honda part number 12100-KCZ-000.

This top end assembly is a crucial component of the engine, housing the cylinder barrel, piston, and other vital parts. It is meticulously engineered for optimal performance and reliability. The cylinder barrel is made of heat-resistant material, ensuring the engine can withstand the high temperatures generated during operation. The piston, which fits snugly inside the barrel, is designed for a perfect seal to minimize fuel and air leakage, enhancing combustion efficiency.

The 1987 XR250R's top end assembly boasts several advantages over its competitors. Its oversized 73mm bore allows for increased engine displacement, resulting in more power and torque. The design of the top end also promotes excellent gas flow, which in turn leads to better combustion and increased horsepower.

The Honda 12100-KCZ-000 top end assembly is built with precision and quality in mind. Each component is inspected rigorously to ensure it meets Honda's stringent standards. The assembly process is carried out with care, minimizing the risk of damage or wear that could impact performance.

Installing this top end assembly on your 1987 Honda XR250R is a straightforward process. It is designed to be a direct replacement for the worn-out or damaged part, ensuring a hassle-free experience for the rider. With this new top end assembly, your XR250R will once again roar to life, ready to conquer any off-road trail or adventure.

In conclusion, the Honda 12100-KCZ-000 1987 XR250R std 73mm engine motor cylinder jug barrel top end is an essential upgrade for any enthusiast looking to maximize the performance of their vintage off-road motorcycle. Its durable construction, increased power, and unmatched reliability make it a must-have for any rider seeking to restore their XR250R to its former glory.

Honda XR250R Standard 1987 73mm Engine: A Comprehensive Analysis

The Honda XR250R Standard 1987 73mm Engine motor cylinder jug barrel top end refers to an aftermarket replacement engine for Honda XR250R motorcycles. This engine upgrade is known for its increased power and performance. In this analysis, we will discuss the pros and cons of buying this engine and provide a concluding recommendation.

1. Increased Power: The 73mm engine offers approximately 10-15% more power compared to the stock engine. This power boost can lead to improved acceleration and top speed.

2. Improved Performance: The 73mm engine's larger bore size results in increased engine efficiency and better combustion. This can lead to smoother engine operation and better fuel economy.

3. Suitability for Modifications: The 73mm engine is a popular choice for those looking to modify their Honda XR250R motorcycles. It can easily support various aftermarket modifications, such as high-performance exhaust systems and carburetor upgrades.

1. Higher Cost: The 73mm engine is a more expensive option compared to the stock engine. The cost of the engine itself, as well as the potential cost of additional modifications and installation, can be a significant investment.

2. Installation Complexity: Installing a 73mm engine is a more involved process compared to installing a stock engine. It requires additional time, expertise, and resources to ensure proper installation and tuning.

3. Potential Compatibility Issues: Some components of the stock motorcycle may not be compatible with the 73mm engine. For example, the stock clutch or exhaust system may need to be upgraded to accommodate the increased power.

The Honda XR250R Standard 1987 73mm Engine motor cylinder jug barrel top end is a high-performance engine upgrade for those looking to maximize the potential of their Honda XR250R motorcycle. While it offers increased power, improved performance, and the ability to support various modifications, it also comes with a higher cost, installation complexity, and potential compatibility issues.

Based on the information provided, we recommend considering the Honda XR250R Standard 1987 73mm Engine motor cylinder jug barrel top end as an option for those who are serious about performance upgrades for their motorcycle and have the necessary resources and expertise to handle the installation process. It is important to weigh the potential benefits against the additional cost and complexity before making a decision. Additionally, thoroughly researching the compatibility of various components and seeking the advice of experienced motorcycle mechanics can help mitigate any potential issues.

Details:

No deep scratches, or gouges. Removed From: 1987 Honda XR250R, Please review all pictures to assess the condition of item. Cylinder bore has some minor pitting from sitting for a long period of time, however nothing major, or that can be felt. Ready to bolt on, and ride.

All sealing surfaces intact. 1987 HONDA XR250R OEM STD 73MM ENGINE MOTOR CYLINDER JUG BARREL BORE TOP END, This cylinder jug is in very good condition and shows normal signs of wear. No cracks, welds, or repairs.

part #: 12100kcz000 prices

• $239.85-$749.99

specifications cylindermotorcycleiz:

• for models: Xr250r, Std
• for makes: Honda
• for years: 1987
• mpn: 12100-kcz-000
• type: Cylinder Jug

shipping cylindermotorcycleiz:

• type: Fixed
• carrier: UPS
• class: Standard
• cost: $0.00
• transit: 3-8 Days
• service: UPS Ground

seller cylindermotorcycleiz:

• # reviews: 2450
• city: Virginia Beach, Virginia
• rating: 100.0%

offer cylindermotorcycleiz:

• quantity: 1
• sold: 0
• availability: In Stock
• started: August 26, 2025
• options: Ship-to-home

payments cylindermotorcycleiz:

• credit card: Mastercard
• other
• wallet: Google-pay

general cylindermotorcycleiz:

• condition: Used
• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Cylinder Heads

returns cylindermotorcycleiz:

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

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