Petrol Additives: Simple Ways to Make Your Bike Run Better
If you love the sound of a revving engine, you’ve probably wondered how to keep it humming at its best. The answer often lies in the fuel you put in it. Petrol additives are chemicals you mix with regular pump fuel to clean, protect and boost performance. They aren’t magic, but they can make a noticeable difference when used right.
What Do Petrol Additives Actually Do?
Most additives fall into three groups: cleaners, protectors and enhancers. Cleaners break down carbon deposits that build up on fuel injectors, valves and pistons. Protectors form a thin film on metal parts, stopping rust and reducing wear. Enhancers raise the octane level, which helps high‑compression engines avoid knocking and can improve power.
For a motorcycle, the most useful types are injector cleaners and fuel system protectors. They keep the tiny spray nozzles open, so the engine gets the right amount of fuel at the right time. A cleaner engine burns fuel more completely, which means a little extra mileage and less smoke.
How to Choose the Right Additive for Your Ride
First, check your bike’s manual. Some manufacturers recommend specific brands or warn against certain chemicals. If you have a sport bike with a high‑compression engine, a high‑octane booster can help you get the extra punch you crave. If you ride a commuter bike that sits idle a lot, a fuel stabiliser is a smart add‑on to stop the fuel from going bad.
Look for products that list clear usage instructions and have good reviews from other riders. Avoid cheap, generic powders – they often contain fillers that do nothing but waste money.
Here’s a quick cheat‑sheet:
- Injector Cleaner: Use every 1,000 miles or once a month if you do short trips.
- Octane Booster: Add before a track day or when you notice a dip in power.
- Fuel Stabiliser: Pour in before storing the bike for more than a week.
- Rust Inhibitor: Good for bikes that see a lot of rain or sea air.
Mix the additive with the amount of fuel the label suggests – usually a few millilitres per litre. Pour it into the tank before filling up, then fill the tank to the top. This ensures the additive spreads evenly as the fuel circulates.
Keep an eye on how the bike feels. A cleaner engine will idle smoother, accelerate quicker and may even sound a bit cleaner. If you notice any yellow smoke or roughness after using an additive, stop and run the bike a little longer on plain fuel to rinse the system.
Remember, additives are not a substitute for regular maintenance. Change your oil, check spark plugs and keep the air filter clean. When you pair good habits with the right additive, you’ll get a bike that feels fresher, runs smoother and sips fuel more efficiently.
So next time you roll into the garage, consider giving your fuel a little boost. It’s a cheap, easy step that can keep your motorcycle performing the way you love it to.
Supermarket fuel additives row: UK mechanic warns drivers, retailers push back
A UK mechanic with 17 years’ experience says supermarket fuel often lacks the detergents found in branded fuels, risking engine deposits and long-term costs. He advises alternating between premium and standard fuel. Supermarkets reject the claim and say their fuel meets strict standards. Here’s what additives actually do, what the rules say, and how drivers can decide.