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This is a genuine factory Yamaha OEM aluminum rear wheel drum brake backing plate for vintage Yamaha 100cc trail and dual-purpose motorcycles. It features factory-stamped inner casting reference 3E100 and original Yamaha tuning forks logo inside the hub structure for a period-correct factory look This bare backing plate panel is made for rear drum brake assemblies and works as a replacement base for restoration or repair. It is suitable for transferring your actuator cam, brake shoes, springs, and related hardware, or assembling the brake unit with fresh friction parts. Fitment & Compatibility The 3E1 engineering prefix connects this backing plate to Yamaha's late-1960s and early-1970s rotary-valve 100cc models. It is designed to fit: Yamaha L5T Trailmaster 100 1969 Yamaha L5T Yamaha L5T-A Trailmaster 100 1970 Yamaha L5T-A Note: May also interchange with select YL2 and YL2C Twin-Jet 100 variants. Verify frame prefix, axle diameter, and parts diagram before installation
Please verify compatibility with your specific motorcycle model before purchasing.
Cleaning Status
partially_cleaned
Cleaning Notes
Used degreaser
Worldwide shipping available
Express shipping available at checkout
Estimated delivery: 2-5 business days
All items are carefully packaged for safe transit
Items can be insured — contact us for more information
30-day return policy on most items
Items must be in original condition and packaging
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Yes, all parts with OEM numbers are genuine manufacturer parts. Check the specifications tab for the OEM number.
We offer a 30-day return policy. Items must be in original condition. See the Shipping tab for complete details.
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location.
Parts are sold separately. We recommend professional installation for safety and warranty purposes.
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$99.75
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