Free South Australia ATV Bill of Sale
An ATV (quad bike) bill of sale in South Australia records the private transfer of a quad, farm bike, or side-by-side. Service SA handles registration for ATVs used on public roads or land. Farm-use-only ATVs may have simplified registration requirements, but a signed bill of sale is always required as proof of ownership transfer.
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South Australia ATV Bill of Sale — What You Need to Know
Stamp Duty / Tax Details
Stamp duty on private motorcycle sales is $4 per $100 of market value, the same rate as cars. Revenue SA uses Redbook guide values for motorcycles — if the stated sale price is below market value, duty will be assessed on the guide price.
Inspection / Roadworthy Requirements
No roadworthy certificate is required for private motorcycle sales in SA. A buyer-arranged mechanical inspection is strongly advised given the safety implications of purchasing a used motorcycle.
South Australia ATV Sale — Step-by-Step Checklist
- Full legal names and addresses of buyer and seller
- ATV make, model, year, engine displacement (cc), and VIN or frame serial number
- Odometer or hour-meter reading if applicable
- Sale price and payment method
- Both parties sign and retain a copy
- Buyer registers with state road authority if used on public roads or Crown land
Common Pitfalls
- Farm ATVs used on public roads must be registered — confirm intended use before skipping registration.
- Missing the VIN/serial number — quad bikes have frame serial numbers that may not follow the standard 17-character VIN format.
- Not running a PPSR check — finance on ATVs is common for farm equipment.
Pro Tip
Both parties should confirm the Redbook guide value for the motorcycle before agreeing on a price — Revenue SA will assess duty on market value regardless of the sale price, so there is no advantage to understating the figure and significant downside risk.