Gunson Colortune Adaptor Kit 12MM - Z005B G4055B

NEW Gunson Colortune Adaptor Kit 12MM - Z005B G4055B

Gunson Colortune Adaptor Kit 12MM - Z005B G4055B

A 14mm to 12mm thread adaptor that converts the standard connectors supplied with the Gunson Colortune and Hi-Gauge compression testers to fit the smaller spark plug sockets commonly found in classic motorcycles and two-stroke engines. The set includes a soft copper washer to ensure a reliable seal.

  • Thread adaptor for the Gunson Hi-Gauge Compression Tester, Part No. G4101 & Gunson Colortune, Part No. G4074.
  • Thread size: 14mm to 12mm.
  • Suitable for classic motorcycles & two-stroke engines.
  • Kit contains: 14mm to 12mm thread adaptor & gas seal washer.
  • There is no Hexagon Allen Key in this kit.
  • Other adaptors available, Part Nos. G4055A (10mm), G4055C (14mm tapered seat), G4055D (14mm long reach) & G4055E (18mm).

The Colortune Kit allows you to see the colour of the combustion in the cylinder head chamber by virtue of a glass topped spark plug.

This takes the guess work out of mixture adjustment as different fuel/air mixtures burn with different colours.

A full chart and instructions make this an easy to use kit.

One of the few kits that earns its cost back by saving fuel and money in a short time .

Note the Image Showing the actual kit G4074 is for reference only. 

This sale is for the 12mm adapter kit only



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  • Views: 1
  • Product Code: G4055B
  • MPN: MSA1002
  • Availability: 5
  • $30.57 AUD

Tags: Gunson Colortune Adaptor Kit 12MM - Z005B G4055B, G4055B, Workshop / Tools