YAMAHA 819-11636-01-00 Piston EL433/SW396 O/s 0.50

( Part Type: Piston ), ( UPC: 819116360100 )

Review YAMAHA Genuine Oem El433/sw396 Snowmobile Piston O/s 0.50

Introducing the Yamaha El433/SW396 piston for outboard applications, model number 819-11636-01-00. This high-performance piston is designed to deliver superior power and efficiency for your outboard engine.

The El433 piston is engineered with a forged aluminum alloy construction that ensures strength and durability. Its lightweight design helps to minimize reciprocating weight and reduce engine vibration for smoother operation. The piston skirt features a specialized coating that enhances ring seal and reduces friction for optimal performance and longer service life.

The SW396 piston ring set includes a compression ring, an oil control ring, and a top oil ring. The compression ring is designed to provide maximum sealing and combustion efficiency, while the oil control ring ensures proper oil control and prevents excessive oil consumption. The top oil ring helps to maintain proper lubrication of the piston and cylinder wall.

This piston is specifically designed for use in Yamaha outboard engines and is suitable for a stroker application with a bore size of 3.96 inches and a stroke length of 3.96 inches, making it a 0.50-liter piston. It is important to note that installing aftermarket pistons may void your engine warranty, and it is recommended to consult with a qualified marine mechanic before making any engine modifications.

In summary, the Yamaha El433/SW396 piston and ring set, model number 819-11636-01-00, is a high-quality, forged aluminum piston designed for superior power and efficiency in Yamaha outboard engines with a bore size of 3.96 inches and a stroke length of 3.96 inches. Its lightweight construction, specialized coatings, and high-performance ring set make it a reliable and effective choice for enhancing the performance of your outboard engine.

The Yamaha EL433/SW396 piston assembly is a part used in outboard marine engines, specifically the Yamaha 819 series. Here are some potential pros and cons of buying this piston assembly.

1. OEM (Original Equipment Manufacturer) part: This piston assembly is manufactured by Yamaha, ensuring it is a perfect fit and matches the original specifications of your engine.

2. Enhanced engine performance: A new piston assembly can help restore engine power and efficiency, improving overall performance.

3. Reduced maintenance costs: Replacing a worn-out piston assembly can help prevent more extensive and costly engine damage.

1. Cost: Replacing a piston assembly can be an expensive repair. However, considering the potential damage that can occur if a failing piston is not addressed, the cost may be worth it in the long run.

2. Labor costs: Installing a new piston assembly requires specialized knowledge and tools, adding to the overall cost of the repair.

3. Potential for additional repairs: A worn-out piston assembly can indicate other issues within the engine, such as cylinder damage or ring wear. These additional repairs can add to the overall cost.

In conclusion, while the cost of purchasing and installing a new Yamaha EL433/SW396 piston assembly can be significant, it is an essential repair to maintain the performance and longevity of your outboard marine engine. It is recommended to address any issues with your piston assembly as soon as possible to prevent more extensive and costly damage.

Recommendation: If you suspect that your Yamaha 819 series outboard marine engine may have a failing piston assembly, it is recommended to consult with a certified marine mechanic for a proper diagnosis and repair. They can help determine if a new piston assembly is necessary and provide an accurate estimate for the cost of the repair.

Details:

New in the box, never used. New over sized piston 0.50 819-11636-01-00 for 70-74 EW433, SL433, SW396, SW433, TL433, TW433.

part #: 819116360100 prices

• $22.81-$89.99

specifications enginesnowmobile:

• for makes: Yamaha
• part type: Piston
• upc: 819116360100

seller enginesnowmobile:

• # reviews: 9
• city: Fort Kent, Maine
• rating: 100.0%

returns enginesnowmobile:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

payments enginesnowmobile:

• other
• credit card: Diners-club
• wallet: Paypal

shipping enginesnowmobile:

• class: Standard
• service: UPS Ground
• transit: 5-13 Days
• type: Fixed
• carrier: UPS
• cost: $7.29

offer enginesnowmobile:

• availability: In Stock
• started: June 11, 2026
• quantity: 1
• options: Ship-to-home
• sold: 0

general enginesnowmobile:

• Snowmobile Parts > Engines Components > Snowmobile Engine Components
• condition: New

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