Carburetor Adjustments; Throttle Synchronization - Polaris 2003 Pro X Service Manual

CARBURETION
Adjustments
Throttle Synchronization Procedure-
Mikuni TM-38 / TM-40Flatslide Carburetors
Mikuni TM-38 / TM-40 carburetors are synchronized at
wide open throttle without the engine running. The middle
carburetor on triples, and the PTO side carburetor on
twins have a non-adjustable set screw on the throttle
shaft. This carburetor is what the other carb(s) is synchro-
nized to.
1. Remove airbox
2. Remove top caps on all carburetors
3. Hold throttle wide open and view position of
carburetor slide on base carburetor. (Middle carb on
triples, PTO carb on twins.)
4. With throttle held wide open, turn the slide stop screw
with screwdriver until slide is flush with top of carb
opening.
3.22
Stop Screw