'83 650 Kat

**donimo** · 05-20-2009, 12:39 PM

might have a plug in them, it's there though, it should be above the inlet, facing towards the tank.

**Steve** · 05-20-2009, 12:59 PM

Here is where they are on an '82 850L (and most other Mikuni BS carbs):

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**repoman** · 05-20-2009, 08:06 PM

So in order to rich'en up a slight lean condition, I will have to re-jet one size higher then?

**repoman** · 05-25-2009, 01:11 PM

Any other advise as my carbs do not have air mixture screws for slight carb adjustments, thanks.

**Guest** · 05-25-2009, 06:03 PM

You have to drill and tap in a screw to pull out the plug covering the idle mixture screw.

**Nessism** · 05-25-2009, 06:34 PM

Originally posted by chef1366

You have to drill and tap in a screw to pull out the plug covering the idle mixture screw.

True that. Also, most GS bikes perk up when you shim the needles a smige.

**repoman** · 05-25-2009, 07:45 PM

I think I'll try shimming them, thanks.

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