Gunson G4074 Colortune Single Plug Kit 14mm
The Gunson Colortune plug kit is a simple and effective way to tune petrol and LPG 2-stroke 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 mixture. The Colortune is a spark plug with a glass insulator viewing window, allowing the flame to be seen. The colour of the flame inside the cylinder indicates the air-fuel ratio: yellow shows a rich mixture, bluish-white a weak mixture, and a Bunsen blue flame a balanced mixture. By adjusting the mixture screw to achieve the correct flame colour, the engine can be tuned for optimal fuel economy and performance. The kit also includes a view scope with an adjustable mirror, enabling the flame to be seen where engine access is restricted. It fits most petro...
Gunson5018341740740
Price: £57.98 from Machine Mart
| Stockist | Price | |
|---|---|---|
| £57.98 | Visit Store |
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