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34
Troubleshooting Fuel
System
Problem: Carburetor Too Rich (0-1/4 Opening)
Condition
Remedy
1.
Choke valve
will not seat
2.
Idle fuel adjuster screw
out of adjustment
3.
Float/needle jet
obstructed — damaged — adjusted incor-
rectly
4.
Pilot jet
loose
1. Adjust — service — replace choke cable — assembly
2. Adjust idle fuel adjuster screw
3. Remove obstruction — replace needle jet — float
4. Tighten pilot jet
Problem: Carburetor Too Rich (1/4-3/4 Opening)
Condition
Remedy
1.
Pilot jet
too large
2.
Float/needle jet
obstructed — damaged — adjusted incor-
rectly
3.
Main jet
loose — too large
4.
Primary air passage
obstructed
1. Replace pilot jet
2. Remove obstruction — replace needle jet — float
3. Tighten — replace main jet
4. Remove obstruction
Problem: Carburetor Too Rich (3/4-WOT Opening)
Condition
Remedy
1.
Main jet
loose — too large
2.
Float/needle jet
obstructed — damaged — adjusted incor-
rectly
1. Tighten — replace with smaller main jet
2. Remove obstruction — replace needle jet — float
Problem: Carburetor Too Lean (0-1/4 Opening)
Condition
Remedy
1.
Choke valve
hanging open
2.
Pilot jet — outlet
obstructed
3.
Float/needle jet
obstructed — damaged — adjusted incor-
rectly
1. Adjust — service choke cable — valve assembly
2. Remove obstruction
3. Remove obstruction — replace needle jet — float
Problem: Carburetor Too Lean (1/4-3/4 Opening)
Condition
Remedy
1.
Pilot jet — outlet — main jet
obstructed
2.
Float/needle jet
obstructed — damaged — adjusted incor-
rectly
1. Remove obstruction
2. Remove obstruction — replace needle jet — float
Problem: Carburetor Too Lean (3/4-WOT Opening)
Condition
Remedy
1.
Main jet
obstructed — too small
2.
Float/needle jet
obstructed — damaged — adjusted incor-
rectly
1. Remove obstruction — replace with larger main jet
2. Remove obstruction — replace needle jet — float
Problem: General Fuel System (Engine Cuts Out at High RPM)
Condition
Remedy
1.
Fuel delivery
inadequate
2.
In-line fuel filter
obstructed — damaged
3.
Gasoline
contaminated
4.
Gas-tank vent — hose
obstructed
1. Repair — replace hose
2. Remove obstruction — replace in-line fuel filter
3. Replace gasoline — de-ice — clean carburetor
4. Remove obstruction — replace vent — hose
Summary of Contents for 2018 ZR 200
Page 1: ......
Page 66: ...65 Wiring Diagram 0752 220 ...
Page 67: ...66 NOTES ...
Page 68: ...67 NOTES ...
Page 69: ...68 NOTES ...
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