Polaris Virage TX 2000 Service Manual page 79

FUEL SYSTEM/CARBURETION
System Operation - Keihin Carburetor
Keihin Carburetor
Vapor
Separator
Restrictor
Fuel
Return
Anti-Siphon
Valve
Main
Discharge
Nozzle
\
Check
Valves
Throttle
Plate -\
Fuel
Pump
Diaphragm
Mid-range
Port
Transfer
Bypass
Holes
Idle
Port
Impulse Fuel Inlet
(from
Crankcase)
Fuel Delivery Effect Diagram
Idle Mixture
Screw
Drain
Main Jet
Mid-range
Jet
Fuel Inlet
Seat
Needle
Valve
Control
Arm
Atmospheric
Vent
Control Arm
Spring
Fuel
Chamber
Regulator
Diaphragm
Idle
1/4
1/2 3/4 WOT
3/00
3.16
Polaris Sales Inc.