fits model: Lt2, Lt3. make: Yamaha. year: 1972–1973.

( Manufacturer Part Number: 159-11636-01 ), ( Engine Type: 2-stroke ), ( Type: Piston ), ( Oe/oem Part Number: 159-11636-01-00 ), ( Piston Diameter: 53 Mm )
Introducing the Yamaha LT-2 and LT-3 WaveRunner piston, specifically the fourth piston with part number 159-11636-01. This piston is a replacement component designed to ensure optimal engine performance for these iconic watercraft models from Yamaha.
The fourth piston in a WaveRunner engine plays a crucial role in the combustion process. This component is engineered to perfectly fit and function within the LT-2 and LT-3 models produced in 1972 and 1973. The piston body is made of high-quality, forged aluminum alloy material that ensures durability and reliability. Its precise dimension and composition enable a snug fit to the cylinder liner for efficient engine operation.
The piston crown is designed with optimally balanced compression ratio and combustion chamber shape, which contribute to the engine's overall power output and efficiency. Alongside its fourth ring groove, this piston enables efficient sealing of the combustion chamber, minimizing engine blow-by and piston-ring friction.
In addition, this 159-11636-01 piston from Yamaha features an arbor machined to fit the connecting rod precisely. This attention to detail increases the power transmission between the piston and crankshaft, resulting in improved performance.
Furthermore, the piston skirt is designed to optimally transmit the combustion force from the piston to the crankshaft. Its shape and material are carefully selected to accommodate the specific power output and engine characteristics of the LT-2 and LT-3 models.
Given this extensive knowledge of the 159-11636-01 Yamaha fourth piston for the LT-2 and LT-3 models, it becomes clear why it is an essential component for maintaining the overall performance of these historic watercraft. With impeccable structural design, engine compatibility, and manufacturing precision, this piston is a must-have for any dedicated LT-2 and LT-3 enthusiast.
By seeking out and installing a genuine OEM Yamaha replacement part like this fourth piston, you are assured of prolonging the overall lifespan of your watercraft engine and ensuring a remarkable boating experience. This parts availability also speaks volumes about the commitment Yamaha has to keeping its loyal customer base satisfied with high-quality components for their watercraft.
When considering a decision to buy a replacement piston, such as the Yamaha 159-11636-01 for a 1972 LT-2 or 1973 LT-3, it is essential to weigh up the advantages and disadvantages before making a purchase. In this analysis, we'll explore the pros and cons of this specific piston investment.
Pros:1. OEM (Original Equipment Manufacturer) fit and function: The 159-11636-01 piston is a genuine Yamaha part. This ensures a perfect fit and compatibility with the engine, which is crucial for good engine performance and longevity.
2. Restoring old watercraft: For owners of vintage watercraft, having the exact original piston may be important for maintaining authenticity, enhancing the value of the watercraft, and guaranteeing reliable operation.
3. Consistent engine performance: A new piston can result in improved combustion efficiency, fuel economy, and smoother engine operation. This can lead to a more enjoyable riding experience.
Cons:1. Cost: The 159-11636-01 piston may be costlier than aftermarket alternatives. For some customers, this can be a deterrent, potentially leading them to consider other options, even if they're not of the same quality.
2. Limited availability: Yamaha parts may not be as readily available as aftermarket alternatives. This could potentially result in longer shipping times or fewer vendors to choose from, depending on your region.
3. Longer downtime: Installing a new piston requires professional help or extended DIY work, which can result in more downtime for your watercraft. This can be a negative if you often use your watercraft for long periods or during specific seasons.
Conclusion:The decision to invest in a Yamaha 159-11636-01 piston for a 1972 LT-2 or 1973 LT-3 depends on various factors, including your priority on authenticity, engine performance, availability, cost, and desired downtime. While this piston offers several advantages, such as genuine parts fit, potential restoration value, and engine improvements, it also has drawbacks like cost, availability limitations, and extended installation downtime. Ultimately, the choice is yours, based on your requirements and watercraft usage.
Recommendation:For those who are interested in maintaining an authentic vintage watercraft with reliable engine performance, despite chances of a longer installation process and higher cost, the 159-11636-01 piston from Yamaha is recommended. For others who are looking for a more cost-effective option or prefer short turnaround times, it may be worth investigating aftermarket alternatives. It's crucial to carefully consider all the factors mentioned in this analysis before coming to a decision.
NOS OEM Piston Rings .1. 4th Over, 1972 Yamaha LT2, 1973 LT3, Piston: 305-11638-01 Rings: 305-11601-40 This is from vintage dealer stock. GLOBAL SHIPPING AVAILABLE !!, Bazooka Garage ships WORLDWIDE via US Postal Service. Bazooka Garage will provide discounts on shipping when more than one item is purchased and shipped to the same address.