1992-1998 Polaris Personal Watercraft Service Manual PN 9912201, Page 184Get this manual

1992-1998 Polaris Personal Watercraft Service Manual PN 9912201, Page 184

FUEL SYSTEMCARBURETION Carburetor Adjustment and Service Mikuni Manual Carburetor Synchronization ContNote: 650 and 750 models
close at the same time3Turn idle adjuster screw in while observing bypass portTurn screw in until port appears at edge of
plate on #1 carburetor4Adjust center throttle plate to the same position as #1 plate using synchronizing screw (A)5Adjust
#3 throttle plate to the same position as the #1 and #2 carbo 6If carburetors are off the engine, verify proper sync using
116" diameter twist drill or rigid wire gauge approximately .060" in diameterOpen throttle with idle screw until the drill
bit or wire passes under #1 plate with very slight dragAdjust all carbs in the same manner with sync screws7After adjustment,
set idle speed initially by closing plates and turning idle screw back in one half turn Do not damage throttle plate with