







Restore the performance of your Yamaha 1200cc 2-stroke engine with this brand-new, standard size piston ring set. Designed to deliver a perfect OEM fit, this set is ideal for rebuilding or refreshing your watercraft’s engine for smooth and reliable power.
🧩 Genuine OEM part number: 66V-11603-00
⚙️ Standard bore size for stock pistons
🛥️ Fits GP1200R, XLT1200, XL1200, XR1800 and other Yamaha 1200cc 2-stroke models
💎 Made from high-strength steel for durability and performance
🔄 Direct replacement – no modifications needed
1 set of piston rings (for 1 cylinder)
If you're using aftermarket pistons, please verify compatibility before purchase. This ring set is specifically designed for OEM Yamaha pistons.
✈️ Ships internationally
🇺🇸 Delivery to the USA in less than 5 business days
📦 Fast processing and secure packaging
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+ If the package is not received, please reject the package when it is delivered. The package will be sent back to us when we get the information from the delivery company.
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| Brand | Unbranded |
|---|---|
| Manufacturer Part Number | 66V-11603-00 |
| Compatible Replaces | 66V-11603-00-00, SBT 49-407, WSM 010-929 |
| Type | Piston Ring Set |
| Compatible Model | GP1200R (2000-2002), XLT1200 (2002-2005), XR1800 (2000-2001) |
| Engine Type | 2-Stroke |
| Inside Diameter (Bore Size) | STD (Standard) |
| Items Included | 1 Set of Piston Rings (2 PCS) |
| Outside Diameter | OEM fitment |
| Condition | New |
| Country/Region of Manufacture | Taiwan |

