Trouble Shooting- Keihin Rd38 And Rd50 - Polaris TX Starfire Owner's Manual

TROUBLE SHOOTING
KEIHIN RD38 AND RD50
A. OVERFLOW:
CAUSES
1-Dirty inlet valve.
2-lnlet valve does not
close;
3-lnlet control lever not
operating smoothly.
4-lncorrect fuel level.
5-Worn inlet valve
B. POOR STARTING:
CORRECTIONS
1-Remove valve, clean and/or
replace.
2-Check valve seat and replace
valve.
3-Replace lever or adjust accord-
ing to instructions.
4-Adjust according to instruc-
tions.
5-Replace inlet valve.
CAUSES CORRECTIONS
1-Chok ing in the fuel line. 1-Ciean fuel line with compress-
ed air.
2-Fuel pump not working. 2-Check the component parts,
the impulse tube and the check
valve.
3-lnsufficient fuel supply. 3-Check fuel supply and for
blocked fuel line.
4- Low fuel level.
C. POOR IDLING:
CAUSES
1-lncorrect adjustment.
2-lncorrect level of inlet
control lever.
3-1 nsufficient pumping.
4-Adjust fuel level.
CORRECTIONS
1-Adjust idle mixture and speed
screws, and check fuel level.
2-Adjust inlet control lever flush
with the floor of the regulator
chamber.
3-Check pump and component
parts, impulse tube and orifice.
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