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GS425 Carb Problem

  • Thread starter Thread starter staggy
  • Start date Start date
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staggy

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Does anyone know the right positioning of the carb insulators. There are raised metal lugs inside the aluminium housing and I can't work out which way they go.
 
Maybe someone else knows what you're referring to but a pic might help.
 
Been in that boat!

Been in that boat!

I had the same problem on my gs400. I broke down and called my mechanic. "They go on the bottom" was the simple reply. They have something to do with controlling unvaporized gas between the carbs and the engine. Good luck!
 
Thanks for the advice. Trouble is they can face left or right,any ideas which way please.
 
I think the isolators on the 400/425/450 are universal - no right or left.
 
The isolators are not universal, they can either face to the left or to the right depending on which side they are mounted.
They are the cast aluminium pieces between the rubber carb mountings and the head.
 
staggy said:
The isolators are not universal, they can either face to the left or to the right depending on which side they are mounted.
They are the cast aluminium pieces between the rubber carb mountings and the head.
Click to expand...

Just looked up the parts diagram to see what you are up against. My reference to "isolators" refer to the rubber parts Suzuki calls "Pipe, Intake". These do not have a right or left, thus my previous answer. The aluminum parts you are talking about are called "Insulator". My 450 did not have these so I've never seen them. My guess it that that they should be oriented such that when they are mounted to the head the intake pipes are parallel to each other so the carbs can slip straight on. Sorry I can't be more help.
 
Thanks, these insulaotors with raised lugs on seem to be on later gs's as both manuals I have bought do not mention them fitment wise.
 
Seems no one knows the answer to my problem.Someone in 2003 had the same question but had no luck.I will try fitting them by trial and error and post the outcome to inform others.
Thank you to all who have tried.
 
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