Worldwide Free Shipping on Every Order Fully Tracked & Secure No Minimum Purchase Required, No Hidden Fees.

Skip to product information
1 of 2

Yamaha Genuine Big End Crankshaft Needle Bearing 93310-418K9

Yamaha Genuine Big End Crankshaft Needle Bearing 93310-418K9

Regular price $22.20 USD
Regular price Sale price $22.20 USD
Sale Sold out

Low stock: 5 left

Quantity

Yamaha Genuine OEM

 

Product Description

Factory-original high-rpm crankshaft connecting rod big end needle roller bearing assembly (Yamaha designation: Bearing, Cylindrical). Positioned inside the connecting rod big end journal on high-revving 2-stroke competition engines to handle heavy radial load impulses between the crankpin and rod.

Vehicle Compatibility

Standard factory replacement fitment across Yamaha 2-stroke motocross and competition platforms:

Make Model Chassis / Engine Variant Model Years Application
Yamaha YZ80 / YZ80 Small Wheel & Big Wheel 4V4 / 10W / 2HH / 3GA / 4LB (80cc 2T) 1983–1992 Connecting Rod Big End Bearing
Yamaha YZ65 B2W (65cc 2T) 2018–2022 Connecting Rod Big End Bearing

 

Fitment Details

Press-fit assembly requiring crankshaft disassembly. Press out the factory crankpin from the flywheel webs, swap the big end needle bearing cage along with the connecting rod and thrust washers, and re-press the crankpin ensuring precise dynamic truing and alignment.


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.

View full details
  • 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

  • 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.

  • 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."
  • 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.

1 of 4