fits model: Xj600, Xj600s, 600, Seca. make: Yamaha. year: 1992–1998.

( Manufacturer Part Number: 4BR-11631-00-A0 ), ( Type: Piston ), ( Engine Type: 4-stroke ), ( Piston Diameter: Stock )
The Yamaha 4BR-11631-00-A0 1992-1998 XJ600/XJ600S SECA 600 Engine Motor Crankshaft Pistons is a vital component of the legendary XJ600 and XJ600S motorcycles, manufactured by Yamaha between 1992 and 1998. This crankshaft piston set is a crucial element in the engine's operation, ensuring smooth and reliable performance.
The crankshaft is the rotating component at the heart of the engine, converting linear motion from the pistons into rotational motion. The Yamaha 4BR-11631-00-A0 crankshaft is precision-crafted from high-strength materials, ensuring robustness and longevity under the rigors of motorcycle use. The crankshaft features a compatible journal diameter and bearing surface, ensuring a perfect fit with the engine's connecting rods and main bearings.
The pistons, also part of the 4BR-11631-00-A0 set, are responsible for converting the crankshaft's rotational motion into linear force, driving the engine's combustion process. These pistons are meticulously designed to provide optimal power delivery, while maintaining optimal engine efficiency. They are made from high-quality materials, such as forged aluminum alloy, ensuring lightweight yet robust construction.
The piston tops are equipped with compression rings and oil control rings, designed to seal the combustion chamber, preventing oil from entering the combustion process and maximizing engine efficiency. The skirts of the pistons are designed for minimal friction, ensuring smooth operation and reducing wear and tear on the engine.
The 4BR-11631-00-A0 crankshaft and piston set is an essential replacement part for any XJ600 or XJ600S motorcycle that requires engine overhaul, rebuild, or maintenance. Its high-quality construction, precision engineering, and compatibility with the original engine make it an ideal choice for enthusiasts and riders seeking to maintain the performance and reliability of their beloved motorcycles.
Pros of buying a Yamaha XJ600 engine (model number 4BR-11631-00-A0) from the 1992-1998 XJ600/XJ600S SECA 600 series:1. Reliability: Yamaha engines are known for their durability and reliability, which makes this engine a good choice for many applications.
2. Availability of parts: As this engine is a common aftermarket part, you can easily find replacement parts and accessories.
3. Power: The XJ600 engine is a powerful and torquey unit, which makes it a good choice for many applications, such as custom builds, hot rods, and track bikes.
4. Affordability: Compared to newer engines, the XJ600 engine is relatively affordable, making it a good option for those on a budget.
Cons of buying a Yamaha XJ600 engine (model number 4BR-11631-00-A0) from the 1992-1998 XJ600/XJ600S SECA 600 series:1. Age: The engine is over 30 years old, which means it may have some wear and tear, and may require more frequent maintenance and repairs.
2. Limited performance upgrades: While the engine is powerful, there are limited performance upgrades available for it, compared to newer engines.
3. Limited availability of performance parts: As the engine is older, there may be limited availability of performance parts, such as camshafts, pistons, and valves.
Conclusion:The Yamaha XJ600 engine (model number 4BR-11631-00-A0) is a reliable and powerful engine that is widely available as an aftermarket part. It is a good choice for those on a budget, and for those who are looking for a classic engine for their custom build or track bike. However, it is an older engine and may require more frequent maintenance and repairs, and there may be limited performance upgrades and availability of performance parts.
Recommendation:If you are looking for a reliable and powerful engine that is widely available as an aftermarket part, and you are on a budget, the Yamaha XJ600 engine (model number 4BR-11631-00-A0) is a good choice. However, if you are looking for more performance upgrades and a wider availability of performance parts, you may want to consider a newer engine.
Fits model's: XJ600S Seca II: 1992, 1993, 1994, 1995, 1996, 1997 1998. The sale is for the 2 pistons pictured only. They are dirty and discolored from previous use storage there is some light rust. Fits Make: Yamaha.
Seca II, Pistons. Part # 4BR-11631-00-A0. Condition: This is a used lot of pistons. INV261, 98383, 2350F.
Condition: Used. Manufacturer: Yamaha.