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carb jet info, tips, suggestions

  • Thread starter Thread starter 1980gs1100l
  • Start date Start date
1

1980gs1100l

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Hey guys im still playin with my 1980 gs1100l ive got a set of kerker megaphone 4 into 1 exhaust with baffles and pod filters now the bike is hard to start idles rough and when you hold the throttle about 2k-3k it kind of pops through the exhaust im pretty sure i need to jet the carbs now but what size do i need to go to and does anyone know actual hole size not jet size reason i ask is cause i also ordered a carb rebuild kit with new jets, mains, poilets etc and was going to just drill out the old ones i have axcess to cnc equipment to do so if i just knew what size bits to use thanks
 
Hi,

I can't help you with drill bit sizes, but I can point you toward some general guidelines. For CV Carb jetting, see the very informative article at Factory Pro. Also see the carb jetting tips at Motorcyclecarbs.com, Inc.


Thank you for your indulgence,

BassCliff
 
Last edited:
1980gs1100l said:
Hey guys im still playin with my 1980 gs1100l ive got a set of kerker megaphone 4 into 1 exhaust with baffles and pod filters now the bike is hard to start idles rough and when you hold the throttle about 2k-3k it kind of pops through the exhaust im pretty sure i need to jet the carbs now but what size do i need to go to and does anyone know actual hole size not jet size reason i ask is cause i also ordered a carb rebuild kit with new jets, mains, poilets etc and was going to just drill out the old ones i have axcess to cnc equipment to do so if i just knew what size bits to use thanks
Click to expand...

I hear it is super hard to get the jetting right for thos CV carbs
 
What pods? K&N or something different?

You are probably better off getting a DJ kit. The holes you need are going to be in the range of 130's.

Dan :)
 
Pods and a Kerker? Sounds like my setup before going big. Get a Dynojet kit and I'll help you set them up.
 
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