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ReadBeard's AP Mod
How To - Carbureator / Jetting
Written by greg   
Article Index
ReadBeard's AP Mod
Remove Subframe
Carb Removal
AP Mechanism
AP Mod 1
AP Mod 2
Remove AP Cover
Shave AP Rivet
Purchase AP Diaphragm
Fuel Bowl Assembly
Wire AP Lever
Finishing Up

AP Mod 2

Remove screws...

 First, remove the 4 corner screws that hold the fuel bowl to the carburetor. You will also need to remove the Idle Adjustment Bracket screw in order to take the fuel bowl off.

 

 

 

 

Remove leak jet...

Once you have the fuel bowl off, flip it over, remove the Leak Jet and check what size leak jet you have.

 

 

 

 

In order to fine tune the AP Squirt Aperture, we will need to install a larger Leak Jet. Since we will be forcing fuel through the AP Circuit at the same rate as the throttle is twisted, and the AP Circuit will be slightly longer, because of the amount we shaved off the AP Diaphragm Rivet. Because of this, we will need to thin out the AP Squirt by installing a larger Leak Jet. By installing a larger Leak Jet, we are allowing more fuel to flow back into the fuel bowl during activation of the AP. RedBeard450 has tried a few different Leak Jets, and is still testing different sizes for the most absolute throttle response. Currently he has installed a 58 and 62 Leak Jet, and will be trying slightly larger sizes to test the results.


Last Updated ( Tuesday, 20 June 2006 )