What are the stock jets sizes in my carbs? Pilot and Main? What is a "MID" jet?
Without messing with the neddle jet and adding washers my plan to get it to run a bit richer is to go:
#20 on the pilot
# 130 to 142 on the Main
and turn out Air screw 2.5 to 3 turns.
And # 60 on that "MID"jet wherever that is. I made my decisions based on the Beercan matrix chart.
Would this help a bit. I assume this thing is set really lean form the factory. Is there some kind of plug I have to pull out ot get to the air screw adjustment?
Thanks, New GS owner.
from the wiki http://wiki.gstwins.com/index.php?n=Upgrades.Rejetting
2006 Stock Jets - 17.5 Pilots / 60 Mid Main / 130.0 Main
I have a 2005 GS500 with a lunchbox airfilter and jardine exhaust system and i have gone 20/65/145 and made no other adjustments at all and it runs perfectly.
For a stock bike, I would probably go 20/62.5/140
For a stock bike I might just do a 20 pilot**.
Mid is the starter jet, feeds fuel while the chock is on.
**http://gstwins.com/gsboard/index.php?topic=45924.0 (http://gstwins.com/gsboard/index.php?topic=45924.0) - Reply No9
http://gstwins.com/gsboard/index.php?topic=21789.0 (http://gstwins.com/gsboard/index.php?topic=21789.0)
The main jet is adequate, or more than enough . (An air cooled engine needs more fuel to stay a bit cooler)
Quote from: rger8 on December 19, 2009, 07:55:43 PM
Is there some kind of plug I have to pull out ot get to the air screw adjustment?
American models have a plug covering the mixture screw. Mine didn't, so I've got no pic to show you.