GS1000g pilot screw odd behaviour

Wazzaman

Join Date: Feb 2026

Posts:
#1

GS1000g pilot screw odd behaviour

05-12-2016, 07:05 PM

Hi All, Wondering if any member have come across this beforehand and may steer me in the right direction, Was tuning the number 4 carbie with the colourtune plug the achieve the benson burner blue.the other 3 cylinder tuned perfectly but number 4 wouldn't change colour from the bunson blue no matter what position I turned the screw. The only reaction I got from the engine is when it was fully wound in which caused the predictable stall.

Any Ideas Cheers Warwick
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Steve

GS Whisperer

Join Date: Jun 2005

Posts: 35925

Location: southwest oHIo
#2

10-03-2016, 08:39 PM

You actually got three of them to change color?

I have seen the color change on the earlier VM carbs and was going to get a Colortune for my bikes.
Tried it on the BS carbs, never saw the color change, only the intermittent spark, then ... nothing.

.

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#2 son: 1980 GS1000G
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