Colortune Engine Carburettor Mixture Tuning Gunson See inside the engine LSR41

The classic and well known colortune kit by Gunson. This genuine Gunson item has been used for years to see the combustion and adjust the mixture etc.

Twin carb tuning using 'Colortune

Carburetor Tuning Basics - Night School

Proper use of the Gunson Colortune

Carburetor Tuning: A/F Mixture, Air/Fuel Equation - MRK Motorsports Official Site

SU carb tuning guide L16, L18 - How-To - Ratsun Forums

Tuning the engine with a colortune plug

Tuning the engine with a colortune plug

Adjusting an SU carburettor

.com: AB Tools-Laser Colortune Engine Carburettor Mixture Tuning Gunson See Inside The Engine LSR41 : Automotive

Specially designed for motorcycle engines Maintains the compression ratio of the engine Suitable for 12 mm spark plug Unique mixture setting device

Gunson G4171 Motorcycle Colortune Kit 12mm