Idaho motorcycle — quick answer
In Idaho, a motorcycle bill of sale is recommended and notarization of the title transfer is situational. The state form used for titled vehicles is ITD 3738. Titling and registration are handled by the Idaho ITD.
Is a motorcycle bill of sale required in Idaho?
Recommended. A bill of sale is recommended and used to support the title transfer.
Seller signs the title; the buyer titles at the county assessor (DMV) office.
Does a Idaho motorcycle bill of sale need to be notarized?
Situational (situational). Notarization is required only when the title transfer is completed by mail. In person, a county deputy can witness the signature instead.
What to include on a Idaho motorcycle bill of sale
- Buyer and seller names and addresses
- Year, make, model, and engine size (cc)
- 17-character VIN
- Odometer reading
- Sale price and date
- Both signatures
How to transfer a motorcycle in Idaho
- 1Complete the bill of sale and title assignment.
Record the buyer, seller, price, odometer, and date. Both parties sign and date.
- 2Hand over the signed title.
Seller signs the title; the buyer titles at the county assessor (DMV) office.
- 3Register with the Idaho ITD.
The buyer titles and registers the motorcycle, bringing Bill of Sale. Confirm current fees on the official page.
Odometer disclosure
Federal law requires a written odometer disclosure when title is transferred for vehicles less than 20 years old. As of 2026 that means model year 2011 and newer; model year 2010 and older are generally exempt. Record the exact mileage — never round it. See the NHTSA rule.
Official sources
Requirements change and can vary by county. Confirm with the Idaho ITD before you sign. Not legal advice.
Idaho Motorcycle Bill of Sale — FAQ
Is a motorcycle bill of sale required in Idaho?
A bill of sale is recommended in Idaho. A bill of sale is recommended and used to support the title transfer.
Does a Idaho motorcycle bill of sale need to be notarized?
Sometimes. Notarization is required only when the title transfer is completed by mail. In person, a county deputy can witness the signature instead.
Does a motorcycle bill of sale need a VIN?
Yes. The 17-character VIN uniquely identifies the motorcycle and is required to register it. Our tool checks that the VIN is the correct length.
Is a motorcycle bill of sale the same as a title?
No. The title proves and transfers ownership; the bill of sale documents the sale and price. You typically need both to register the motorcycle.
Is a bill of sale proof of ownership?
Generally no. For titled property like a car or boat, the title is what proves ownership. A bill of sale proves that a sale happened and records the price, date, and terms — it supports the title transfer but does not replace it. For untitled property (furniture, equipment, electronics), the signed bill of sale is usually the main proof of ownership.