Date: March 2025
eBay UK: Listings for Honda CB500 Four motorcycles in project or non-running condition are available, with prices varying based on the extent of restoration required. (Source)
Car and Classic: A 1972 Honda CB500/4 Race Bike is currently listed for auction, with the current bid at £600. (Source)
H&H Auctioneers: A 1971 Honda CB500 Four K0 sold for £9,315 at an auction held at the National Motorcycle Museum on March 27, 2024. (Source)
For project condition bikes: Approximately £1,500 to £3,000.
For roadworthy condition bikes: Approximately £4,000 to £6,000.
For restored or mint condition bikes: Approximately £8,000 to £10,000.
Note: These values are approximate and can vary based on factors such as mileage, condition, and market demand.