Introduction
This 61X-11631-02-93 81mm outboard piston kit is specially designed for Yamaha 700-1100ml two-stroke engines. Its cylinder diameter is precise to 81 millimeters, perfectly matching multiple classic Yamaha models, including the Exciter 220 1100CC (1996-1998), FX1 700CC (1994-1995), SUPERJET 700CC (1994-2020), VXR PRO 700CC (1993-1994), WAVE BLASTER 700CC (1993-1996), WAVE RAIDER 1100CC (1995-1996), WAVE RAIDER 700CC (1994-1997), and WAVE RUNNER III. 700CC (1994-1995, 1997), WAVE VENTURE 1100CC (1996-1997), WAVE VENTURE 700CC (1995-1996, 1998), and XL 700CC (1999-2004).
This 61X-11631-02-93 81mm outboard piston kit is carefully made of high-quality alloy materials, with excellent wear resistance and thermal stability. It can continue to work stably even under harsh conditions such as high temperature, high pressure, and old explosion in two-stroke engines. Its design is particularly exquisite, completely following the original factory standards, and has a high degree of compatibility with engine cylinder blocks, connecting rods, and other components. It is also easy to install and can perfectly replace the original piston. Whether it's providing strong power to water motorcycles or ensuring the engine runs efficiently for a long time, it can do both, allowing you to fully enjoy the passion and fun of high-speed water racing.
Production Advantages:
A. Rich production experience
We (Starwave) have been focusing on the field of internal combustion engine components since 2010, with over 13 years of experience in piston research and production. In 2018, we expanded to the field of marine outboard engine piston manufacturing and have gained the trust of wholesale customers such as outboard engine maintenance dealers.
b. Complete production equipment
The company has passed the IATF16949 Phase II on-site audit and ISO9001 quality management system certification, and is a national high-tech enterprise. Having multiple patent certificates; We have advanced equipment, including fully automatic casting lines, fully automatic precision lines, one person lines, aluminum alloy piston continuous casting devices (patented), CNC lathes, and spectral analyzers. Technicians will maintain the equipment on a monthly basis to ensure stable production and meet the requirements of bulk orders.


c. High quality raw materials
Strict inspection of raw materials: High quality aluminum materials are selected, and each batch of raw materials is tested by a spectral analyzer to ensure compliance with national standards.
D. Strict physical and chemical testing process
We implement multi-level detection:
Raw material process: ensure the composition is qualified through spectral analysis, all testing data will be archived, and quality requirements can be traced;
Semi finished product stage: Use a coordinate measuring instrument for dimension inspection; After T6 heat treatment, the tensile strength and hardness were tested.
Finished product process: Use a coordinate measuring instrument for size inspection.




d. Strict physical and chemical testing process
We implement multi-level detection:
Raw material process: ensure the composition is qualified through spectral analysis, all testing data will be archived, and quality requirements can be traced;
Semi finished product stage: Use a coordinate measuring instrument for dimension inspection; After T6 heat treatment, the tensile strength and hardness were tested.
Finished product process: Use a coordinate measuring instrument for size inspection.


e. Safe packaging method
Each set of piston components is packaged in a moisture-proof PE bag and contains a desiccant, using an export grade outer box.
F. High quality after-sales service
Provide 24-hour technical support for installation issues (can be communicated via phone or WeChat);
If there are any quality issues with the components during the warranty period, they can be replaced free of charge.
Over 60% of our piston products are exported to Southeast Asia, the Middle East, and Europe, with customer satisfaction rates of ≥ 95% for three consecutive years.
G. Price advantage:
As our own factory (covering an area of 210000 square meters, with an annual output of 10 million sets of various internal combustion engine pistons), we can achieve cost control throughout the entire industry chain of "raw materials casting processing testing" and provide certain price advantages for wholesale customers.
Production Process









Our Service
(1)Pre-sales service: professional guidance to reduce procurement risks
Selection matching: Provide 1-on-1 technical docking (technical team is online 24 hours a day, response time ≤ 2 hours). Customers only need to provide the compatible model, purchase quantity, and delivery cycle to obtain the complete set of "product selection suggestions+quotation plan+delivery plan" information;
Sample Trial: First time cooperative customers can apply for samples (sample fees are charged at regular unit prices and fully refunded after confirming large orders), and provide sample testing guidance (such as installation testing points and performance testing methods);
Qualification support: Provide free company qualifications (business license, ISO9001 quality management system certification, patent certificate), product testing reports, and assist customers in passing downstream customer supplier audits.
(2) In sales service: transparent and controllable, ensuring delivery
Production progress synchronization: After order confirmation, establish a dedicated service group for customers to synchronize production progress daily (such as raw material arrival, processing progress, testing status), and actively push photos/videos for major milestones (such as production completion and shipment);
Logistics tracking: Provide customers with the best logistics solutions (such as cost and cycle comparison of sea freight, air freight, and express delivery), provide logistics tracking numbers after shipment, track the location of goods throughout the process until customers sign for them;
(3) After sales service: quick response, solve worries
Technical support: If end users encounter problems during installation or use, they can connect to our technical engineers via phone or video (24-hour response) for real-time guidance;
Return and exchange service: If the product model is incorrect or the quantity deviates due to our own reasons, we will unconditionally return and exchange the product, and bear all related costs
Application scenario---Accurately covering downstream markets of wholesale customers
Our outboard engine piston components are mainly supplied to the following scenarios through wholesale customers, and corresponding support is provided according to the demand characteristics of different scenarios:
After sales parts dealers:
Used for piston replacement needs of end users (such as repair after piston wear and breakage), our piston components are fully compatible with original parts;
Ocean fishing/yacht rental companies:
These customers usually purchase spare pistons in bulk.
Factory Strength---Production Guarantee that reassures wholesale customers
▼ Qualification certificate: The company has passed the IATF16949 Phase II on-site audit and ISO9001 quality management system certification, and is a national high-tech enterprise. Having multiple patent certificates, including piston hole precision cutting device, aluminum alloy piston continuous casting device, aluminum alloy piston polishing device, aluminum alloy quantitative pouring device for piston casting, etc
▼ Production equipment: There are over 300 first-class manufacturing equipment in China, and the self-developed thermal processing automatic line and machining automatic line are the only ones in China with patents




1.Possess complete testing equipment: profile measuring instrument, coordinate measuring instrument, spectral analyzer, roundness tester, universal testing machine, impact measuring instrument, vibration test bench, roughness measuring instrument, metallographic analyzer.
2.Casting department equipment: piston casting automatic line, heat treatment furnace.
3.Equipment for the machining department: piston machining automatic line unit, "one person line" lean production unit
Capacity scale:
The factory covers an area of 210,000 square meters, with a building area of 40,000 square meters. It produces 10 million sets of various internal combustion engine pistons annually, which can meet the long-term and stable procurement needs of wholesale customers
FAQ
Q1. What core equipment are equipped in Starwave's casting and machining departments respectively?
A: Casting department: The core equipment includes a piston casting automatic line and a heat treatment furnace, which can complete the key links from raw material casting to preliminary heat treatment of the piston, ensuring the basic quality and performance of the blank.
Machining department: The core equipment includes piston processing automatic line units and "one person line" lean production units, which can achieve precise machining of pistons, accurately control key parameters such as piston size and shape, and meet product accuracy requirements.
Q2. What wholesale customer scenarios are Starwave's outboard engine piston components mainly supplied to?
A: Mainly supplied to two wholesale customer scenarios: after-sales parts dealers and ocean fishing/yacht rental companies.
Q3. What role does patented technology play in piston production?
A: Patent equipment such as aluminum alloy piston continuous casting device can improve the efficiency and accuracy of the casting process, ensuring the quality of piston blanks; The precision cutting device for piston holes can improve the accuracy of piston hole machining and ensure the compatibility between the piston and other components; Our self-developed patented technology for automated production lines can achieve automation and standardization of the production process, reduce manual errors, and improve overall production efficiency to meet the needs of bulk orders.
Product Parameters
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Technical Data for 61X-11631-02-93 81MM Piston Kit |
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OEM |
61X-11631-02-93 |
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Bore |
81MM |
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Replaces: |
Product Type: Piston Kit / Specifications: / Total Diameter: 85.9MM / Bore Size: Standard / Replaces: / Oem Interchange Part Number : 61X-11631-00-93; 61X-11631-01-93; 61X-11631-02-93; 63M-11631-00-89 |
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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 EXCITER 220 1100CC 1996-1998 |
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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 |
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