Selling your classic car? It's FREE to list your car on Honest John Classics | No thanks

What fuel should I use in my 1963 Velocette?

What fuel should I use in my 1963 Velocette?

Asked on 17 May 2017 by Ian Hunt

Answered by Keith Moody
Like many classic cars, your classic bike will have been designed to run on leaded four-star fuel, which is both hard to find and very expensive these days. Your bike will run fine on unleaded, although you may wish to use an additive if you are concerned about valve damage or retard the ignition if you experience 'pinking'. Perhaps a bigger concern is the increasing use of ethanol in fuel. Ethanol is not kind to older components - rubber pipes and seals, zinc and brass. I understand that, with motorbikes, there is also an issue with the ethanol destroying the glassfibre resin and causing the fuel tank to go soft. Again, a range of additives are available to help deal with this problem. Just be careful if you plan to use your bike abroad - most of the fuel in Europe has a much higher ethanol content.
Similar questions
I normally add some lead substitute to the tank of our 1980's Series III Land Rover. The other day I didn't (because the garage didn't have any on its shelves and I then forgot about it). So with a full...
I am buying a 1982 Mercedes-Benz W123 200E. It is in superb condition, having only covered 99,000 miles. Would it be better to run it with unleaded fuel and add lead-type additive, or is normal unleaded...
I keep 10 litres of unleaded petrol in an approved metal cannister in my car boot for emergency use. As I keep my tank topped up, the contents of the can have now been sitting there for two years. Would...
 

Ask Honest John