Colortune is a unique mixture setting device and a detector of other mixture related problems. It is a spark plug, which runs the engine like any normal spark plug, but because it has a glass insulator, it allows the colour of the combustion flame inside the cylinder to show through andindicate the strength of the mixture.How Colortune works:Combustion at its most efficient produces a clear blue flame, various colours result in inefficient mixtures. Inside an internal combustion engine those same colours are present though not normally seen. With Colortune fitted in place of a spark plug, the... Read More

Remember!When finished, remove the clamp and cloth bag and return the abrasive grit media to the plastic bag. Pay particular attention to keeping the abrasive grit media dry.Always keep fresh, unused abrasive media ready for use. After an amount of use, the grit media will break down and lose its abrasive properties. Do not be tempted to use if the grit media is in this condition.Dispose of the media responsibly and refill with fresh media. Replacement grit is available - Part No: 77112It is not recommended to clean or regap modern Iridium spark plugs. In this case refer to the plug... Read More