Essential when tuning your machine to run correctly without a stock airbox.
Fit and forget.
No more need to change pilot jets or needle position from stock when junking the airbox.
Just fit as described and increase the Mains to suit your engine.
When fitted, these jets adjust the fuel slope to pinpoint the low speed fuelling problem and associated flat spot created by the higher atmospheric pressure over the venturi when running velocity stacks or high flow filters and does not detrimentally enrichen the overall fuelling that the common less refined act of fitting larger pilots and lifting the needles does which can result in up to 25% power loss and raised fuel consumption..
You will need to internally thread the needle jet air bleed in the mouth of each carb with an m5 x 0.8mm tap ( TAP NOT INCLUDED ).
The air bleed orifice is already the correct tapping size so no drilling required.
PLEASE NOTE -
You will receive ONE pack of FOUR (4) jets supplied per single order.
Enough for ONE (1) four cylinder bank of CV carburettors.
See attached pics for images of the jets and study the fourth pic for fitting reference with the correct position of the needle jet air bleeds on CV CARBS highlighted in white with jets installed.
Please note that CV carbs are not handed like the VM'S and the jets should ALL be installed at the 4 o'clock position.
Recommended main jetting starting point is -
GS850G = 142.5.
GS1000E/G = 142.5.
GS1100G = 145.
GSX11OO(EARLY)= 152.5.
GSX1100G/KATANA = 145.
Also see my unique choke plunger re-seating listing to cure your seemingly unsolvable rich running and low mpg issues.