Big gun jetting
Senior Member
Joined: Oct 2006
Posts: 3,106
From: Misawa Japan
1st Gear Member
RE: Big gun jetting
+1 on that. Thatis a CYA statement on BG's partto make sure you don't start out too lean. Also, a Dyno Jet #145 might equate to a Keihin (OEM) #140, or vice versa. The jets differ slightlyinsize, which equates to their inner surface area. Also, the size difference is not linear so there will be some 'hit-n-miss,' depending upon which brand of jet you use.
ORIGINAL: Dragone#19
That may be a generalized starting point for your elevation that you run a #145 main only trip. All of the#'s listed here from members at their altitudesand mods are prolly theirpreferredsetup.But it is up to you to find the setting that is right for your set up. Members listing pilot sizes, mains and needles along with position of the clip and including the altitude plus using any other mods tells me that they know something about carburation.
That may be a generalized starting point for your elevation that you run a #145 main only trip. All of the#'s listed here from members at their altitudesand mods are prolly theirpreferredsetup.But it is up to you to find the setting that is right for your set up. Members listing pilot sizes, mains and needles along with position of the clip and including the altitude plus using any other mods tells me that they know something about carburation.
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