fits model: R80, R100. make: Bmw. year: 1981–2025.

( Manufacturer Part Number: 11-21-1-338-171 ), ( Part Type: Crankshaft Rod ), ( Country/region Of Manufacture: Germany )
The BMW R80 and R100 crankshaft rods, specifically the part number 21 338 171 1981-1995, are crucial components of these iconic motorcycles. These rods are an essential part of the engine's connecting rod assembly, responsible for transmitting the force from the piston to the crankshaft, thereby converting linear motion into rotational motion.
These BMW crankshaft rods are made of high-quality materials, typically steel, to ensure durability and reliability. They are precision-machined to exacting specifications, ensuring a perfect fit and smooth operation. Each rod is designed to withstand the extreme pressures and forces generated during engine operation, ensuring optimal performance and longevity.
The dimensions of the BMW R80 and R100 crankshaft rods are crucial for their proper function. These rods are designed to fit specific engine models and years, as indicated by the part number 21 338 171 1981-1995. This part number indicates that these rods are compatible with BMW R80 and R100 models produced between 1981 and 1995.
Installing new crankshaft rods on your BMW R80 or R100 is a straightforward process, but it requires care and attention to detail. It's recommended to have the job done by a qualified mechanic or follow the manufacturer's instructions carefully to avoid any damage to the engine or the new rods.
In summary, the BMW R80 and R100 crankshaft rods, part number 21 338 171 1981-1995, are essential components of these classic motorcycles. These rods are made of high-quality materials, precision-machined, and designed to fit specific engine models and years. Installing new crankshaft rods requires care and attention to detail, but it's a crucial step in maintaining the performance and longevity of your BMW R80 or R100 engine.
Pros of buying BMW R80/R100 crankshaft rods (25mm):1. Reliability: BMW motorcycles are known for their reliability and durability, and the R80/R100 series is no exception. Replacing the crankshaft rods is a common maintenance task for these bikes, but with high-quality aftermarket parts like these, you can ensure your bike continues to run smoothly.
2. Availability: These crankshaft rods are widely available, both new and used, making it easy to find a replacement part for your bike.
3. Cost-effectiveness: Replacing the crankshaft rods is a cheaper alternative to replacing the entire crankshaft, which can be a costly repair.
4. Performance: High-quality crankshaft rods can improve the performance of your bike by reducing vibration and improving power delivery.
Cons of buying BMW R80/R100 crankshaft rods (25mm):1. Installation difficulty: Installing crankshaft rods can be a complex task, requiring specialized tools and expertise. If you're not confident in your ability to install the part yourself, you may need to pay for professional installation.
2. Quality concerns: Not all aftermarket crankshaft rods are created equal. It's important to do your research and ensure that the rods you're purchasing are high-quality and manufactured by a reputable company.
3. Cost: While replacing the crankshaft rods is generally less expensive than replacing the entire crankshaft, the cost can still add up, especially if you need to pay for professional installation.
Conclusion: If you're in need of new crankshaft rods for your BMW R80/R100, it's worth considering aftermarket options. However, it's important to do your research and ensure that you're purchasing high-quality rods from a reputable company. While installation can be a complex task, there are many resources available to help you along the way. Ultimately, the decision to replace the crankshaft rods is a cost-benefit analysis, and you should weigh the potential benefits of improved performance and reliability against the cost of the repair.
Recommendation: If you're unsure about replacing the crankshaft rods yourself, it may be worth considering hiring a professional mechanic to do the job. They can ensure that the job is done correctly and can provide you with peace of mind. When purchasing the rods, be sure to do your research and read reviews from other customers to ensure that you're getting a high-quality product. Finally, consider the cost of the repair and weigh it against the potential benefits to determine if it's a worthwhile investment for your bike.