Gunson spark tune instructions

6. Instructions The Motorcycle Colortune G4170 - 14mm G4171 - 12mm G4172 - 10mm 1. COLORTUNE plug-Individually boxed with 10/12 or 14mm plug size, with reach with 16mm (5/8") hexagonal body size. A hexagon adaptor is provided to adapt to a 13/16" (20.6mm) plug spanner - also suitable for long reach applications. 2. Solid cross section gas seal washer. 3. 3. Once the engine is warmed, replace the first or second spark plug with the Colortune. Do not overtighten. Hand tight plus 1/16th of a turn. 4. Screw the plain end of the adapter lead to the centre lead of the Colortune. Fit the lower half of the Viewerscope tube, fitting it over the hexagon. Fit the upper part of the Viewscope. Buy Gunson G4074 Colortune Single Plug Kit (Gunson Classic Tools) Today. The Tune-up plug for Petrol/LPG 2 & 4 stroke engines with single, twin or multiple carburettors or fuel injection systems. engines in standard form with additional adaptors available for vehicles with alternative sized spark plugs 18mm- G4055E 14mm - Long Reach Jan 25, 2007. #11. Hi, I think I've worked it out! The rod is screwed to the lower half of the dial selector and is used as a guide during assembly - so when the two halves of the case are being assembled the rod can used to hold the dial in position on the pcb (aligned with the hole in the pcb) while the two halves of the case are screwed Home › Forums › Transportation Talk › Gunson color tune instructions Tagged: color, Gunson, instructions, tune This topic has 0 replies, 1 voice, and was last updated 2 years ago by sseiius. Viewing 1 post (of 1 total) Author Posts March 19, 2020 at 6:00 am #144022 sseiiusParticipant . . Gunson color tune instructions >> DOWNLOAD … Gunsons Colortune. My old Colortune kit come in handy again to set mixture on the carbs I have recently fitted. Had the kit for years and certainly identified that one of the carbs was running rich. May not be the best tool for fine tuning but gets it in the right ball park as a starting point. G4171 - Gunson Colortune 12mm Fuel Air Mixture Tester Kit for Motorcycles G4171 A low volume Gunson Colortune designed for motorcycle engines Maintains the compression ratio of the engine whilst in use ensuring better firing in the cylinder for better results with the colour chart Suitable for a 12 mm spark plug Additional Information Specifically designed for motorcycle engines Maintains the compression ratio of the engine Suitable for 12 mm spark plug time saver Unique mixture setting device Fits most petrol engines in standard form with additional adaptors available for vehicles with alternative sized spark plugs 18mm- G4055E 14mm - Long Reach G4055D 14mm - Tapered Seat G4055C 12mm - G4055B 10mm - G4055A The complete Colortune kit is also available with the following adaptors G4171 with 12mm Colortune Plug G4170 with 10mm Gunsons Sparktune 2 . In Box With Instructions.: $28.37. Gunsons Sparktune 2 . In Box With Instructions in used condition the box has some wear/damage and the wire has some polystyrene on were its started to go bad.The clear cover is slightly coming off the tab but i dont see any reason this would effect the use of it see pictures and please only purchase if your happy with the condition of Screw in the Colortune, making sure the copper washer is in place. Run the engine until it is warmed up, then switch off. Remove the spark plug from the engine (any one will do) and screw the Colortune plug into the spark plug hol