Polaris Magnum 2x4 Service Manual page 278

12. Check the overflow stand pipe in float bowl for cracks
or bending. Be sure the pipe is clear. Fill the bowl with
liquid and check for leakage out the drain orifice. If the
bowl drain leaks, inspect tapered surface of the screw
and seating surface. Check the bowl sealing O-Ring
for damage or wear.
13. Check the starter jet to be sure
it
is clear.
14. Check the vent passages and impulse source for
cracks or obstructions.
15. Inspect the throttle shaft. It should return freely and
completely when opened and released. Check the
shaft for excess play or movement.
16. Inspect the throttle plate and retaining screws. Make
sure the plate is closed all the way and is centered in
the bore. Check to be sure the screws are tight.
Polaris Industries Inc.
4.35
FUEL SYSTEM/CARBURETION
Carburetor Cleaning - Mikuni CV
7/96