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That's about the rpm where your ignition spark advance begins to do something hopefully, but it's also the revs where the carburetor main jets start to make a major difference. You need to determine if it's electric or carburetor related and that's not easy when both are going to mess up a plug read.
 

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1977 Suzuki GS750
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Discussion Starter · #63 ·
That's about the rpm where your ignition spark advance begins to do something hopefully, but it's also the revs where the carburetor main jets start to make a major difference. You need to determine if it's electric or carburetor related and that's not easy when both are going to mess up a plug read.
Carb Kit - 1977-1979 Suzuki GS750
That’s the rebuild kit I got and I also got floats too

It could be both now but it ran completely fine when first put the kit on the bike but now it’s giving me problems so it could possibly be a electrical problem
 

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Carb Kit - 1977-1979 Suzuki GS750
That’s the rebuild kit I got and I also got floats too

It could be both now but it ran completely fine when first put the kit on the bike but now it’s giving me problems so it could possibly be a electrical problem
I had the same problem with my gs and eventually wound up buying a intake and carb kit from murray carbs. They sell 2 intakes that connect 2 34mm mikunis and the performance was amazing.
 

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There's probably nothing wrong with the carbs you have and all the original parts
just be happy they aren't vacuum controlled.
 

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I had the same problem with my gs and eventually wound up buying a intake and carb kit from murray carbs. They sell 2 intakes that connect 2 34mm mikunis and the performance was amazing.
Is this the same engine you are trying to sell now?
If it is then how do you know it performs amazing :unsure:
 
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