Polaris TX Starfire - Keihin Carburetors - Schematic View

KE IHIN CA'RBURETORS
SCHEMATIC VIEW
Your 1973 TX Starfire 439 and 650 machines will be equipped
with Ke ihin carburetors. The 439 with model RD38, and the
650 wi t h model R D50.
Each of t hese carburetors has been calibrated and adjusted
for its given engine size.
The following service and trouble shooting information will
be a great benefit to you.
MAIN NOZZL E
/
HI GH SPEED MIX SCREW
VALVE SE AT
I NLET CONT ROL VA LVE
I NLE T CON TROL LE V ER
I NLET TE NS I ON SPRI NG
OUTLET CHECK VA LVE
LOCK SCR EW
PRI
MARY VENT UR I
_)
78
IDLE DI SC HAR GE PO RT
P
UL SE CHAMBER
~
FUEL PUMP DIAPHRAGM
REGU LAT OR CHAMB ER
MA IN DIAPHRAGM
DI APHR AGM SPRI NG
ADJUSTMENT SCREW