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Yamaha Genuine CT50 Target Magneto Flywheel Rotor 3NT-H5550-00
Yamaha Genuine CT50 Target Magneto Flywheel Rotor 3NT-H5550-00
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Product Description
Genuine electrical generator flywheel rotor (Rotor Assy). Houses internal permanent magnets that rotate around the stator assembly coils to generate AC charging current for the battery, ignition trigger pulses for the CDI unit, and lighting power on vintage 50cc air-cooled Yamaha scooters.
Vehicle Compatibility
Standard Genuine replacement fitment across late-1980s and 1990s 50cc air-cooled Yamaha scooter platforms:
| Make | Model | Chassis / Engine Variant | Model Years | Application |
| Yamaha | CT50 / CT50S Target | 3NT6 / 3NT7 / 3NT9 (50cc 2T AC) | 1990–1993 | Generator Magneto Flywheel Rotor |
| Yamaha | CR50Z Target | 3WN3 / 3WN (50cc 2T AC) | 1991–1996 | Generator Magneto Flywheel Rotor |
Fitment Details
Installs directly onto the tapered left-hand crankshaft snout over the woodruff key (90280-03017) and secures with a standard M12 flywheel flange nut (95317-12700). Always use a dedicated Yamaha flywheel puller tool (YM-01189) during removal to prevent magnetic core damage or crankshaft deformation.
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.