fits model: Xs1100, 1100, Xs. make: Yamaha. year: 1980.

( Manufacturer Part Number: 3H5-11110-01-00 ), ( Type: Cylinder Head )
The 3H5-11100-01-00 78-81 Yamaha XS1100 XS 1100 Engine Top Cylinder Head is a crucial component of the iconic Yamaha XS1100 motorcycle engine, manufactured between 1978 and 1981. This top cylinder head is a testament to Yamaha's engineering prowess and its commitment to delivering high-performance and reliable parts.
The cylinder head is designed with a 1065cc, air-cooled, four-stroke, inline-four engine architecture. It features a composite construction, with a durable cast-iron base and aluminum alloy combustion chambers. The combustion chambers are equipped with four 37mm Mikuni carburetors, ensuring optimal fuel-air mixture for efficient combustion and power delivery.
The cylinder head is equipped with four valves per cylinder, operated by two double-overhead camshafts (DOHC), driven by a chain drive system. The camshafts are precisely machined to provide optimal valve timing, resulting in smooth power delivery and impressive engine performance.
The cylinder head also houses the spark plugs, with six NGK or equivalent spark plugs located in the combustion chambers. The spark plugs are crucial for igniting the air-fuel mixture, initiating the combustion process that powers the engine.
The cylinder head is finished with a high-quality, heat-resistant paint, ensuring durability and protection against corrosion. The surface finish is smooth and free from imperfections, ensuring a perfect seal with the cylinder block and gasket.
In conclusion, the 3H5-11100-01-00 78-81 Yamaha XS1100 XS 1100 Engine Top Cylinder Head is a vital component of the XS1100 engine. Its robust construction, high-performance design, and reliable operation make it an essential part for any XS1100 enthusiast or restorer.
Pros of buying a 1980 Yamaha XS1100 top cylinder head:1. High performance: The 1980 Yamaha XS1100 engine is known for its power and torque, and a well-maintained top cylinder head can help maintain or even improve these characteristics.
2. Availability: Parts for classic motorcycles like the XS1100 are generally easy to find, especially for popular models like this one.
3. Cost-effective: Replacing a top cylinder head can be a less expensive option compared to a full engine rebuild, especially if the head is in good condition.
Cons of buying a 1980 Yamaha XS1100 top cylinder head:1. Potential issues: Older engines can have hidden issues that may not be obvious until the head is removed. These issues could include damage from overheating, wear and tear, or corrosion.
2. Fitting and installation: Installing a new top cylinder head can be a complex process, especially if the engine has not been disassembled before. Proper fitting and installation is crucial to ensure the engine runs smoothly and efficiently.
3. Quality of aftermarket parts: Not all aftermarket cylinder heads are created equal. Some may have lower quality materials or workmanship, which could lead to problems down the line.
Conclusion: The 1980 Yamaha XS1100 top cylinder head can be a cost-effective and performance-enhancing upgrade for a well-maintained engine. However, it's important to carefully research and inspect the part before purchasing, and to ensure proper fitting and installation.
Recommendation: If you're considering buying a top cylinder head for your 1980 Yamaha XS1100, we recommend purchasing from a reputable supplier and having the part inspected by a professional mechanic before installation. Additionally, be sure to take the time to properly fit and install the head to ensure optimal performance and longevity.
Missing one exhaust stud. Removed from: 1981 Yamaha XS1100 with about miles please review all pictures to assess the condition of item.
Rubber boots are cracked.
Part removed from a 1981 Yamaha XS1100sh with engine 4r0. Re motor cycle parts this cylinder head shows normal signs of wear.