1980 Suzuki Gs 550 L Logo
Posted on Jul 31, 2009

Pilot jet plugged on 1980 gs550

The bike idles rough and has trouble taking off but once you are moving it goes like a champ. seams to be the number two cylinder when i remove the plug wire and it running it dose nothing but if im doing 55 60 you can feel the change. was told it was the pilot jet. I know nothing about carbs so can anyone describe how to fix this prob or have another suggestion.

thanks
mike

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  • Posted on Aug 01, 2009
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There are two jets on the carb, a pilot jet and a main jet, if you can remove the bottom of the carb, be careful as there will be fuel in it ( turn off fuel tap first) then get a small flat head stubby driver ( or an ordinary one if the carb has been removed with a small flat head)
In the middle of the carb will be two ports which contain two screws( should be brass) idle jet and main jet. Undo and take these out one by one, dont get them mixed up. check them against a light source to see if they are blocked. If they are get an air line and a pair of pliers and hold the jet and blow the jet holeyou might be able to do it with your breath or use a valve of a tyre for some umph! then just do the reverse procedure.( dont forget to turn your tap on again) hope this helps
steve






















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