Yamaha Genuine DT100 Big End Bearing 93310-422E7
Yamaha Genuine DT100 Big End Bearing 93310-422E7
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Product Description
Yamaha Genuine factory connecting rod big end needle roller bearing assembly (BEARING, CYL. #10). Precision-ground steel cage and roller set designed to fit around the crankpin between the flywheel webs and the connecting rod big end. Engineered to withstand high RPM and heavy load stress on vintage 100cc 2-stroke engines (422 model series code). Manufactured in Japan under strict Yamaha OEM specifications.
Vehicle Compatibility
Verified fitment for classic Yamaha 100cc 2-stroke motorcycle and off-road platforms:
| Make | Model | Chassis / Engine Variant | Model Years |
| Yamaha | DT100 | 97cc 2-Stroke Enduro (DT100A / B / C / D / E / F / G / H / J / K) | 1974–1983 |
| Yamaha | RT100 | 97cc 2-Stroke Off-Road Single (RT100A through RT100M) | 1990–2000 |
| Yamaha | MX100 | 97cc 2-Stroke Motocross (MX100A / B / H / J / K) | 1974–1983 |
| Yamaha | YB100 / AG100 | 97cc 2-Stroke Utility & Commuter Single | 1975–1998 |
| Yamaha | RS100 / LT2 | 97cc 2-Stroke Street / Trail Single | 1972–1981 |
| Yamaha | TD2 / TD2B | 250cc Twin Road Racer (Big End Bearing) | 1970–1972 |
Fitment & Technical Details
Direct factory replacement connecting rod big end bearing. Requires pressing the crankshaft assembly apart to access the center crankpin during engine overhaul. Always replace with a fresh crankpin and check connecting rod side clearance and crankshaft trueness (runout) upon press-fit reassembly. Generously coat rollers with 2-stroke assembly oil before installing.
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.
