NE / Miller Yamaha DT50 Full Engine Gasket Set
NE / Miller Yamaha DT50 Full Engine Gasket Set
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Product Description
Vintage aftermarket complete engine gasket set manufactured by NE Genuine Parts / Miller International Corp. Engineered as a comprehensive, high-quality replacement gasket kit for air-cooled Yamaha 50cc 2-stroke dual-sport and trail models. The set includes the crankcase center gasket, clutch/crankcase cover gasket, cylinder base gasket, cylinder head gasket, reed valve gaskets, exhaust gasket, oil seals/washers, and auxiliary engine gaskets sealed on original display backing.
Vehicle Compatibility
Standard aftermarket replacement fitment for Yamaha air-cooled 50cc 2-stroke platforms (139 / 241 / 3M7 engine series):
| Make | Model | Engine / Chassis Variant | Model Years |
| Yamaha | DT50 / DT50M / DT50MX | 49cc Air-Cooled 2T (139 / 241 / 3M7) | 1978–1995 |
| Yamaha | RD50 / RD50M / RD50MX | 49cc Air-Cooled 2T (137 / 2E0 / 3M6) | 1978–1986 |
| Yamaha | TY50 | 49cc Air-Cooled 2T Trials (1G3 / 2E2) | 1977–1980 |
| Yamaha | GT50 / YSR50 (Air-Cooled Spec) | 49cc Air-Cooled 2T Mini-Street | 1977–1988 |
Fitment & Technical Details
Designed to provide a complete seal for full engine rebuilds, crankcase splits, or top-and-bottom overhaul projects. Clean all aluminum crankcase, clutch cover, cylinder, and cylinder head mating surfaces thoroughly to remove all old gasket material and grease before installation. Install gaskets dry or with a light coat of non-hardening gasket sealant on crankcase center joints. Torque all crankcase and cylinder head bolts in a cross pattern to factory specifications (head nuts: 10–12 Nm; case bolts: 7–9 Nm).
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.
