fits model: Xs750. make: Yamaha. year: 1977.

( Manufacturer Part Number: 1J7-11631-02-97 ), ( Engine Type: 4-stroke ), ( Type: Piston )
Introducing the Yamaha 1J7-11631-02-97 Set, a remarkable addition for enthusiasts and mechanics working on 1977 XS750 engines. This set comprises a set of oversized pistons with a diameter of 25mm, offering a significant upgrade for those seeking more power and performance from their Yamaha XS750.
The Yamaha 1J7-11631-02-97 pistons are manufactured with precision and high-quality materials, ensuring longevity and durability. Each piston is designed to fit perfectly into the XS750 engine, ensuring a seamless installation process. The oversized design allows for increased displacement, resulting in increased power output and torque.
The pistons are crafted with a forged construction, which provides superior strength and rigidity compared to cast pistons. This construction also results in improved heat dissipation, reducing the risk of thermal distortion and ensuring optimal engine performance under high-stress conditions.
The Yamaha 1J7-11631-02-97 Set includes all necessary components for a successful installation. This includes piston rings, wrist pins, and other essential hardware. Each component is inspected for quality and fit before shipping, ensuring that you receive a complete and functional set.
Installing these oversized pistons in your 1977 XS750 engine can provide numerous benefits. You'll experience improved engine performance, with increased power and torque that can enhance your riding experience. Additionally, the increased displacement can also improve fuel efficiency, saving you money in the long run.
In conclusion, the Yamaha 1J7-11631-02-97 Set is an excellent choice for those looking to upgrade their 1977 XS750 engine. With its precision-made forged construction, comprehensive component set, and potential for improved performance, this set is a valuable investment for any XS750 enthusiast or mechanic.
Pros of buying Yamaha XS750 NOS (New Old Stock) Pistons (Yamaha 1J7-11631-02-97 Set 1977):1. Authenticity: NOS parts are original, unopened, and have never been used or installed in a motorcycle, ensuring complete originality and quality.
2. Durability: Since the pistons are new, they are likely in excellent condition, and their materials may have superior durability compared to used parts.
3. Performance: New pistons will provide optimal engine performance, as they are designed to fit the specifications of the engine and have undergone no wear or damage.
4. Availability: NOS parts can be difficult to find, but they are often sought after by collectors and classic motorcycle enthusiasts, making them valuable and collectible.
Cons of buying Yamaha XS750 NOS Pistons (Yamaha 1J7-11631-02-97 Set 1977):1. Cost: NOS parts can be more expensive than used or aftermarket alternatives, as the scarcity and demand for original parts drive up their price.
2. Fitment: While NOS pistons are designed to fit the engine, there is always the risk of misfit or compatibility issues due to variations in manufacturing processes or tolerances over time.
3. Availability: As mentioned, NOS parts can be challenging to find, and it may take time to locate the specific pistons you need.
4. Limited Use: Since NOS parts are unopened, they may never be used, which can be a drawback for those looking to install and use the parts immediately.
Recommendation:If you are a classic motorcycle enthusiast or collector looking for original parts to restore or maintain your Yamaha XS750, NOS pistons can be a worthwhile investment. While they may be more expensive than alternatives, the authenticity, durability, and performance benefits can make them a valuable addition to your motorcycle. However, it is essential to thoroughly research the specific pistons and ensure they are a proper fit for your engine before making a purchase. Additionally, you should be prepared to invest the time and resources needed to locate the parts you need, as they may be difficult to find. In conclusion, while NOS pistons may have some drawbacks, their benefits can outweigh the costs for those seeking authenticity and performance in their classic motorcycle.
I will combine shipping. I purchased these back when had money to do bike restorations like this. Set of 3 over-sized pistons 0.25 for a 1977 Yamaha XS750 engine. I don't any longer, so I'm getting rid of stuff.
So if you're looking to rebuild a XS 750 engine, heres some pistons for you.