2-47
INSP
ADJ
Trouble
Poor performance at
mid-range speeds:
•
Momentary slow re-
sponse to the throttle
•
Poor acceleration
Poor performance at
normal speeds:
•
Excessive fuel con-
sumption
•
Poor acceleration
Poor performance at
high speeds:
•
Power loss
•
Poor acceleration
Abnormal combustion:
•
Backfiring
Overflow:
•
Poor idling
•
Poor performance at
low, mid-range, and
high speeds
•
Excessive fuel con-
sumption
•
Hard starting
•
Power loss
•
Poor acceleration
Diagnosis
Clogged or loose pilot jet
Lean mixture
Clogged air vent
Clogged or loose main jet
Overflow
Starter valve is left open
Clogged air vent
Clogged or loose main air
jet
Clogged fuel line
Dirty fuel tank
Air leaks into the fuel line
Low fuel pump perfor-
mance
Clogged fuel filter
Clogged intake
Lean mixture
Dirty carburetors
Dirty or clogged fuel line
Clogged air vent
Clogged float valve
Scratched or unevenly
worn float valve or valve
seat
Broken float
Incorrect float level
Adjustment
•
Remove the pilot jet, clean it with compressed air, and
then install it.
•
Make sure that the pilot jet is fully tightened.
Overhaul the carburetors.
Remove the air vent hose and clean it.
•
Remove the main jet, clean it with compressed air, and
then install it.
•
Make sure that the main jet is fully tightened.
Check and, if necessary, clean the float and float valve.
Return the starter lever to its seated position so that the
starter valve is fully closed.
Remove and clean the air vent.
•
Remove the main jet, clean it with compressed air, and
then install it.
•
Make sure that the main jet is fully tightened.
Clean or replace the fuel line.
Clean the fuel tank.
Tighten or replace the fuel line joint.
Repair or replace the fuel pump.
Replace the fuel filter.
Remove any obstructions (e.g., ice).
Clean and adjust the carburetors.
Clean the carburetors.
Clean or replace the fuel line.
Clean the air vent.
•
Disassemble and clean the float valve.
•
Do not scratch the valve seat.
•
Clean or replace the float valve and valve seat.
•
The valve seat and body must be replaced as a set.
Replace the float.
Check and, if necessary, replace the following parts:
•
Float tang
•
Float (entire assembly)
•
Arm pin
CARBURETOR TUNING
Summary of Contents for VX600ERG
Page 1: ...VX600ERG SX600G MM600G VT600G SERVICE MANUAL LIT 12618 02 20 8EA 28197 10 981059 ...
Page 57: ...2 43 INSP ADJ CARBURETORTUNING Guide for carburetion SEA2720 ...
Page 79: ...2 65 INSP ADJ REAR SUSPENSION ...
Page 220: ...8 21 ELEC CHARGING SYSTEM ...
Page 236: ...8 37 ELEC SIGNAL SYSTEM ...
Page 266: ...9 20 SPEC GENERAL TORQUE SPECIFICATIONS DEFINITION OF UNITS ...
Page 267: ...SPEC 9 21 CABLE ROUTING SEA9010 ...
Page 269: ...SPEC 9 23 CABLE ROUTING SEA9010 ...
Page 271: ...SPEC 9 25 CABLE ROUTING SEA9020 ...
Page 273: ...SPEC 9 27 CABLE ROUTING SEA9030 ...
Page 275: ...SPEC 9 29 CABLE ROUTING SEA9030 ...
Page 277: ...SPEC 9 31 CABLE ROUTING SEA9040 ...
Page 279: ...SPEC 9 33 CABLE ROUTING SEA9050 ...
Page 281: ...SPEC 9 35 CABLE ROUTING SEA9050 ...
Page 283: ...SPEC 9 37 CABLE ROUTING SEA9060 ...
Page 287: ...Printed in USA E CR PRINTED ON RECYCLED PAPER ...