New Gunson Colortune 14mm Spark Plug Mixture Tester Tool Set G4074

Name: New Gunson Colortune 14mm Spark Plug Mixture Tester Tool Set G4074
Brand: Gunson

Gunson

Gunson Colortune Single Plug Kit 14mm\n--About Us\n--Our Feedback\n--Add To FavouritesMenu\n--About Us\n--Our Feedback\n--Add To FavouritesGunson Colortune Single Plug Kit 14mmProduct Description\n\nThe Colortune plug kit is a simple and effective way to tune petrol and LPG 2 and 4 stroke engines. It is easy to use and works on the principle that the combustion flame burns a particular colour depending on the fuel mix. The Colortune is a spark plug with a glass insulator viewing window so the flame is visible. The colour of the flame inside the cylinder shows the state of the air:fuel ratio - yellow indicates a rich mixture, blueish-white a weak mixture and a Bunsen blue flame a balanced mixture. By adjusting the mixture screw to get the correct flame colour the engine can be tuned for optimal fuel economy and performance. The kit also includes a viewscope with adjustable mirror so that the flame can be seen where engine access is restricted. Fits most petrol engines with additional T