# Buy Gunson Colortune spark plug tester 10mm at Autoservice ## Gunson Colortune spark plug tester 10mm for motorcycles Tools / Special for automotive / Categorie spark plugs Simple and effective adjustment of the air-fuel mixture for optimal engine performance. ## Prices and stock € 93,95 incl. VAT ## Order URL [Gunson Colortune spark plug tester 10mm for motorcycles](https://www.auto-service.be/en/tools/special-for-automotive/categorie-spark-plugs/gunson-colortune-spark-plug-tester-10mm) ## Alternate URLs - **nl**: [Gunson Colortune spark plug tester 10mm for motorcycles](https://www.auto-service.be/nl/gereedschap/speciaal-voor-automobiel/categorie-bougies/gunson-colortune-bougie-tester-10mm-gunson-g4172) - **fr**: [Gunson Colortune spark plug tester 10mm for motorcycles](https://www.auto-service.be/fr/outils/special-pour-lautomobile/categorie-des-bougies-dallumage/gunson-colortune-testeur-de-bougies-dallumage-10mm) - **en**: [Gunson Colortune spark plug tester 10mm for motorcycles](https://www.auto-service.be/en/tools/special-for-automotive/categorie-spark-plugs/gunson-colortune-spark-plug-tester-10mm) ## Images - ![Product image](https://www.auto-service.be/assets/media/26643/conversions/gunson-colortune-bougie-tester-10mm-optimized.jpg) - ![Product image](https://www.auto-service.be/assets/media/26644/conversions/gunson-colortune-bougie-tester-10mm-optimized.jpg) - ![Product image](https://www.auto-service.be/assets/media/26645/conversions/gunson-colortune-bougie-tester-10mm-optimized.jpg) ## Specifications - **Reference**: GUN 4172 - **EAN**: 5018341741723 - **Brand**: GUNSON ## Product description ### Precision tuning for your motorcycle With the Gunson Colortune 10mm spark plug tester, you can accurately tune the air-fuel mixture of your motorcycle. This results in more efficient combustion and improved engine performance. ### Unique viewing window for direct feedback The spark plug is equipped with a glass insulator that makes the combustion flame visible. This allows you to observe the color of the flame and adjust the mixture accordingly: - Yellow flame: mixture too rich - Blue-white flame: mixture too lean - Bunsen blue flame: optimal mixture ### Complete and user-friendly The kit contains everything you need for easy tuning: - 10mm Colortune spark plug - Hexagonal adapter - Angled cleaning brush - Instructions ### Suitable for various motorcycles Specially designed for motorcycles with a 10mm spark plug, making it a versatile tool for different models. ### Maintains compression ratio Thanks to the low-volume design, the engine's compression ratio is maintained, ensuring better combustion of the mixture. ### Practical viewer with adjustable mirror The included viewer with adjustable mirror makes it possible to observe the flame, even when access to the engine is limited. ### Easy installation and use The Colortune spark plug tester is easy to install and use, allowing you to tune your engine quickly and effectively. ### Reliable quality from Gunson Gunson is known for its high-quality tools for engine maintenance, and the Colortune spark plug tester is no exception. ## Breadcrumbs - 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