Yamaha Genuine Axis 90 / Target 90 Piston Ring Set (+0.50mm OS) 3YR-11603-00
Yamaha Genuine Axis 90 / Target 90 Piston Ring Set (+0.50mm OS) 3YR-11603-00
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Product Description
Yamaha Genuine factory 2nd oversize (+0.50mm / 0.50 O/S) piston ring set (PISTON RING SET). Contains a complete ring set for one piston, manufactured in Japan for Yamaha by Teikoku Piston Ring Co., Ltd. (TPR). Engineered specifically under the 3YR model code prefix for 82cc–90cc 2-stroke air-cooled scooter engines. Precision ground to match a 50.50mm cylinder bore diameter when installing a 0.50mm oversized piston. Manufactured in Japan under strict Yamaha OEM specifications.
Vehicle Compatibility
Verified fitment for 1990s Yamaha 82cc / 90cc 2-stroke scooter platforms:
| Make | Model | Chassis / Engine Variant | Model Years |
| Yamaha | Axis 90 / YA90 | 82cc 2-Stroke Single (3YR Series) | 1990–1997 |
| Yamaha | Target 90 / CR90 | 82cc 2-Stroke Single (3VR / 3YR Series) | 1991–1996 |
| Yamaha | Jog 90 / CY90 | 82cc 2-Stroke Single (3VR Series) | 1990–1998 |
Fitment & Technical Details
Direct factory OEM replacement oversize piston ring set (+0.50mm O/S). Designed strictly for installation on a matching 0.50mm oversized piston (3YR-11635-00 / 3YR-11636-00) inside a freshly rebored and honed 50.50mm cylinder barrel. Ensure ring end gaps are checked prior to installation and top/second ring markings face upward during assembly.
Important: Please ensure the part number matches your motorbike before purchasing. If you have any questions about the part or its compatibility, feel free to contact us. We’re here to help!
At Dmmotorcycles, we’ve specialized in vintage and vintage sports motorcycles and parts directly from Japan since 1998. We stock a wide selection of rare genuine and high-quality aftermarket parts and continually update our inventory to meet growing demand.
Looking for a specific part? Don’t hesitate to ask! We may have it in stock even if it’s not listed online. If not, we’ll do our best to source it for you.
We’re also happy to provide guidance on installation and offer excellent after-sales support to ensure your satisfaction.
Shipping Information
We ship worldwide, carefully inspecting and securely packing all parts to ensure safe delivery. Your order will be insured and shipped quickly, with the best available shipping option chosen for speed and reliability.
Please note:
- All parts are shipped from Cyprus (Europe).
- Customers outside the EU may incur additional import taxes based on the value of the item.
How we handle your order in 4 steps
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1. Order Verification
We confirm the order and make sure the correct part number, quantity, and any special requests match what’s on the sales confirmation
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2. Quality Check
Since our parts are new old stock we Inspect the parts for any defects, scratches, or missing components to ensure it meets quality standards. otherwise will notify you before proceeding with the order.
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3. Safe and Secure packaging
- Protective Wrapping: We use bubble wrap or foam padding to wrap the part, focusing on sharp edges or delicate components.
- Boxing: We place the wrapped part inside a sturdy box, filling gaps with packing materials to prevent movement.
- Sealing and Labeling: Securely tape the box and attach the shipping label, including orientation-specific markers like "Fragile."
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4. Finalizing of Shipment
We confirm the shipping address and contact details, give the package to the Post, keep the tracking number, and then send it to the customer along with the shipment notification.
