Your Professional YAMAHA Outboard Piston Supplier
Hangzhou Starwave Technology Co., Ltd. is a professional enterprise focusing on the full-range supply of outboard motor parts. Its core competitiveness comes from our own physical factory-a precision manufacturing base with decades of experience in manufacturing core components of internal combustion engines.We are highly compatible with nearly 100 models of global mainstream outboard motor brands such as Mercury, Yamaha, Suzuki and Honda, and our services cover diverse customer groups including professional repair shops, equipment distributors and overseas traders.
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![6ET-11631-00-B0 85.9MM Piston Kit for Yamaha 1800cc]()
6ET-11631-00-B0 85.9MM Piston Kit for Yamaha 1800ccOEM: 6ET-11631-00-B0
Bore: 86MM
Horsepower: 115HP
Engine type: 4 stroke -
![6CE-11631-00 96MM Piston Kit for Yamaha 200-300 HP 4 Stroke]()
6CE-11631-00 96MM Piston Kit for Yamaha 200-300 HP 4 StrokeOEM: 6CE-11631-00
Bore: 96MM
Horsepower: 200-300
Engine type: 4 stroke -
![66V-11631-00 79.9MM Piston Kit for Yamaha 800-1200R 155HP 4 Stroke]()
66V-11631-00 79.9MM Piston Kit for Yamaha 800-1200R 155HP...OEM: 66V-11631-00
Bore: 79.9MM
Horsepower: 155HP
Engine type: 4 stroke -
![68V-W1164-02 79MM Piston Kit for Yamaha 115 HP 4 Stroke]()
68V-W1164-02 79MM Piston Kit for Yamaha 115 HP 4 StrokeOEM: 68V-W1164-02
Bore: 79MM
Horsepower: 115HP
Engine type: 4 stroke -
![6ET-11631-00-B0 Of Yamaha 1800cc]()
6ET-11631-00-B0 Of Yamaha 1800ccOEM: 6ET-11631-00-B0
Bore: 86MM
Horsepower: 115HP
Engine type: 4 stroke -
![6DX-11631-00-93 94MM Piston Kit for Yamaha 250hp 4 Stroke]()
6DX-11631-00-93 94MM Piston Kit for Yamaha 250hp 4 StrokeOEM: 6DX-11631-00-93
Bore: 94MM
Horsepower: 250HP
Engine type: 4 stroke -
![6DX-11642-00-93 94MM Piston Kit for Yamaha F250 4 Stroke]()
6DX-11642-00-93 94MM Piston Kit for Yamaha F250 4 StrokeOEM: 6DX-11642-00-93
Bore: 94MM
Horsepower: 250HP
Engine type: 4 stroke -
![61X-11631-02-93 81MM Piston Kit for Yamaha 700-1100cc 2 Stroke Motor]()
61X-11631-02-93 81MM Piston Kit for Yamaha 700-1100cc 2 S...OEM: 61X-11631-02-93
Bore: 81MM
Horsepower: 700/1100CC
Engine type: 2 stroke -
![6E7-11631-00 56MM Piston Kit for Yamaha 9.9HP 15HP 2 Stroke]()
6E7-11631-00 56MM Piston Kit for Yamaha 9.9HP 15HP 2 StrokeOEM: 6E7-11631-00
Bore: 56MM
Horsepower: 9.9HP 15HP
Engine type: 2 stroke -
![688-11631-00 82MM Piston Kit for Yamaha 75HP 85HP 90HP 2 Stroke]()
688-11631-00 82MM Piston Kit for Yamaha 75HP 85HP 90HP 2 ...OEM: 688-11631-00
Bore: 82MM
Horsepower: 75HP 85HP 90HP
Engine type: 2 stroke
Why Choose Us
R&D Team
The R&D center of Hangzhou Starwave Technology Co., Ltd. is built around a highly skilled technical team, featuring a structure characterized by senior leadership combined with deep professional specialization, ensuring strong technical expertise, efficient innovation, and the ability to develop high-quality products that meet international market standards.
Our Service
We provide dedicated one-on-one technical support, with our professional technical team available 24/7 and a guaranteed response time of within 2 hours, ensuring efficient communication, rapid problem resolution, and reliable support throughout the entire cooperation process.
Our Certificate
As a national high-tech enterprise, we hold IATF 16949 and ISO 9001 system certifications, along with multiple patents, demonstrating our strong commitment to quality management, technological innovation, and industry-leading standards.
Production Market
Our products are exported to a wide range of international markets, including South American countries such as Brazil and Argentina, Southeast Asian countries, African nations, Europe, and the United States, reflecting our strong global reach and the trust of customers worldwide.
Advantages of YAMAHA Outboard Piston
Reliability & Durability
Genuine Yamaha pistons and connecting rods are engineered to withstand extreme pressure, saltwater, and long hours, ensuring factory-level reliability and extended engine life (often 1,500+ hours).
Lightweight & Compact Design
Yamaha's focus on Monozukuri (manufacturing excellence) creates powerful yet light engines, partly through innovative designs like offset cylinders, reducing weight and boosting performance.
Performance & Efficiency
Advanced engineering, including precision fuel injection and tuned intake manifolds, optimizes fuel use and boosts low-end torque for powerful acceleration.
Precision Fit & OEM Quality
Using genuine parts ensures a precise fit and function, preventing premature wear and maintaining original performance.
Product Paramenters
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OEM |
6CE-11631-00 |
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Bore |
96MM |
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Replaces: |
Product Type: Piston Kit / Specifications: / Total Diameter: 96Mm / Bore Size: Standard / Replaces: / Manufacturer Part Number: 100-345K / Oem Interchange Part Number 1: 6Cb-11631-00-00 / Oem Interchange Part Number 2: 6Ce-11631-00-00 / Oem Interchange Part Number 3: 6Ce-11631-01-00 / Oem Interchange Part Number 4: 6Ce-11631-02-00 / |
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Applications: |
This Item Fits Various Applications By Part Number. Please Check Your Part Number To Ensure Fitment. / Make & Model(S): / Yamaha: / 6 Cyl 4 Stroke 4.2L Sho 200 (2011-2022) / 6 Cyl 4 Stroke 4.2L Sho 225 (2010-2022) / 6 Cyl 4 Stroke 4.2L Sho 250 (2010-2022) / 6 Cyl 4 Stroke 4.2L Sho 300 (2010-2022) / |
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Piston Kit - Source: |
Aftermarket |
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Original: |
Lishui, China |
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Material: |
AC9A Aluminum |
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Payment term: |
TT, LC |
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Delivery date: |
Negotiable |
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Packing: |
Export standard |
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Market: |
Asia/South America/Europe |
Yamaha 4-Stroke Piston
Designed for larger outboard motors like the Yamaha F-Series, these pistons operate within a four-stroke combustion cycle known for smooth operation, fuel efficiency, and low emissions.
Yamaha 2-Stroke Piston
Commonly found in compact outboard motors such as the Yamaha 9.9 HP and 40 HP models, this piston completes all four combustion phases—intake, compression, power, and exhaust—in just two strokes, enabling rapid acceleration and simplified mechanics.
Yamaha Dirt Bike Piston
Engineered for aggressive off-road conditions, these pistons are built for high-revving, high-compression engines that demand maximum power and responsiveness on rough terrain.
High-Performance Yamaha Piston
Built for extreme conditions such as racing or modified street performance, these pistons are precision-engineered to handle intense heat, pressure, and stress beyond stock specifications.
Essential Maintenance Practices for YAMAHA Outboard Piston
Use High-Quality Engine Oil: Especially in 2-stroke outboards, using Yamaha-certified TC-W3 oil ensures proper lubrication of the piston skirts and rings. Inferior oils can break down under heat, leading to scuffing or seizure.
Perform Regular Oil Changes: In 4-stroke models, change oil according to the manufacturer’s schedule (typically every 100 hours or annually). Clean oil removes combustion byproducts and keeps piston cooling channels free from sludge buildup.
Prevent Overheating: Ensure water flow is unobstructed—check impeller function and cooling passages regularly. Overheating causes piston expansion beyond design limits, risking contact with the cylinder head or wall damage.
Avoid Engine Overloading: Operating at wide-open throttle for extended periods without adequate ventilation or under heavy load increases cylinder temperatures dramatically. This can lead to pre-ignition or piston melting in extreme cases.
Conduct Routine Compression Tests: Low compression may indicate worn or damaged pistons, rings, or cylinders. Early detection allows for timely repair before catastrophic failure occurs.
Schedule Professional Inspections: During major service intervals, have a certified technician inspect piston condition, ring gap, and cylinder wear. They can identify early signs of scoring, cracking, or carbon buildup that compromise performance.
Production Process
Mould
Forging
Blank
Heat Treatment
Processing
Coating
Washing
Checking
Packing
Shipping
We are one of the most credible yamaha outboard piston manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to wholesale yamaha outboard piston for sale here from our factory. For quotation, contact us now.
yamaha outboard piston, 9 9 HP Outboard Piston, 56mm outboard piston
