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Yamaha IT / YZ / TT / DT Swing Arm Solid Bushing 90380-16077
Yamaha IT / YZ / TT / DT Swing Arm Solid Bushing 90380-16077
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Product Description
This genuine Yamaha factory-original solid bushing is a high-precision metal sleeve used in the rear swing arm pivot assembly. Hardened to withstand constant rotational friction, high loads, and dirt exposure, it serves as the mating surface for the swing arm needle bearings and seals. It ensures smooth, play-free up-and-down movement of the rear suspension swing arm, keeping your rear wheel track perfectly aligned.
Vehicle Compatibility
This solid pivot bush is primarily utilized in legendary vintage Yamaha off-road, enduro, and motocross (VMX) bikes:
| Make | Model Range | Application |
| Yamaha | YZ125 / YZ250 / YZ490 (1984–1985) | Rear Arm / Swing Arm Pivot |
| Yamaha | IT200 / IT490 (1984–1986) | Rear Arm / Swing Arm Pivot |
| Yamaha | TT350 (1986–1987) | Rear Arm / Swing Arm Pivot |
| Yamaha | DT125R / DT200 / DT230 Lanza (1988–1997+) | Rear Arm / Swing Arm Pivot |
Note: Typically, two of these solid bushings are required per swing arm assembly (one for each side of the pivot shaft).
Fitment Details
This is a direct OEM replacement. Before pressing the new bushings into the swing arm, clean the pivot housing thoroughly to remove old grease, rust, and dirt. Inspect the needle bearings and dust seals; if they are worn, they should be replaced at the same time to prevent the new bushings from wearing prematurely. Apply a generous coat of high-quality waterproof lithium or molybdenum grease to the bushing inner and outer surfaces during installation to guarantee smooth operation and keep moisture out.
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.