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Where to get bumped up jetting 1983 gs300l

  • Thread starter Thread starter Pigthang
  • Start date Start date
P

Pigthang

Guest
Put a basket case of parts together and have no more budget for the original exhaust or air cleaner so I'm jetting the carb I have no option.

Bike runs lean due to open header (I made a slight baffle) and pods.
I need to go up a couple sizes in the pilot/main to stop getting white spark plugs but the mikunis have tons of different jet sizes. Which ones do I use? VM BS etc. all use different types of jets.

Where's the best place to get them at as well?

Here's some eyecandy most of you are going to hate it but I had to make due with what I had available.
1983 gs300l

vyt9b5.jpg
 
I didn't even know they made a GS300 :confused:. It has stock CV carbs so find the jetting chart on Bike Cliffs site and see what the stock mains are. There are a bunch of websites that sell jets, I got mine from Z1 Enterprises.

You're probably going to have to shim the needles too.
 
Have a look here:

http://mikunioz.com/main_jets.htm

Use the measurements etc. to see what yours look like.

Going by the parts fiche your carbs and jets are different to mine so not sure what you would need off the top of my head...

With free breathing exhaust and K&N pods I've had to go way up in main jet sizes (8 sizes up so far) and my needle is as rich as I can go.

The stock pilots are fine though.
 
A lot of people don't know these little bumped up 250s existed. Instead of spendin money and waiting for parts to arrive in the mail I went ahea took the smallest drill bit I could find at Home Depot and made a nice main jet, no more popping :)
 
A lot of people don't know these little bumped up 250s existed. Instead of spendin money and waiting for parts to arrive in the mail I went ahea took the smallest drill bit I could find at Home Depot and made a nice main jet, no more popping :)
 
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