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2 fuel lines ? 1 vaum? 1 fuel line ? NEED help!

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Anonymous

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am i suppose to have 2 fuel lines and 1 vacum line ? my right carb has the vacum and fuel line and my right carb has nothing .. is this wrong?

Thanks,
John scott
 
Assuming that you have the BS32 carbs there is a fitting on the intake side of the #2 carb for petcock vacuum. There is a fitting between the 2 & 3 carbs for the fuel line Between 1&2 / 3&4 there are fittings for carb vents/overflow. They do not actually hook up to anything, are routed down to the rear of the swingarm.
 
its off a 84' GS550 .... intake side? ...the right carb has a vacum line and a gas line and the left carb has just a fitting for what would be a gas line i am guessing ? ... so do i need to get a V fitting and take a line from left carb and then the right carb and take it threw the v fitting to the gas tank?

Thanks for takeing the time to help me every one ..
 
vodavi6346 said:
its off a 84' GS550 .... intake side? ...the right carb has a vacum line and a gas line and the left carb has just a fitting for what would be a gas line i am guessing ? ... so do i need to get a V fitting and take a line from left carb and then the right carb and take it threw the v fitting to the gas tank?

Thanks for takeing the time to help me every one ..
Click to expand...

I doubt that you have two fuel lines, one for each carb, but rather a single line from the fuel petcock to one carb which through a tube supplies fuel for the other carb. My guess is the two lines which each carb have are probably vent hoses and are only connected to the carbs, then routed up and over the air cleaner/air box housing. On one of your intakes or on the engine side of one of your carbs there should be an vacuum outlet where a vacuum hose connects from there to your petcock(should be the smaller of the two outlets).
I'm not familiar with your specific model, but the principles are similiar between models. Typical configuration is:
One fuel line from petcock to fuel tube between carbs.
Vacuum line from petcock to intake.
Vent tubes from each carb.
Good luck.
 
Just PM'd you to see if you want an exploded diagram of the 84 550E carbs. Those vent hoses that were mentioned earlier, that said they were routed down to the swing arm? They are actually supposed to vent upwards, at least above the float bowl's fuel line. Mine sit above the stock airbox, and vent on either side of the air intake. An old Suzuki mechanic showed me that trick.

Robben
 
Thanks every one for the help! Think I got it figured out
 
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