26. For two-barrel carburetor, correct fl oat height
setting is 17 mm (0.669 in.) ± 1.5 mm (0.059 in.),
measured from fl oat bottom to body of carburetor.
Replace fl oat if height is diff erent than specifi ed. DO
NOT attempt to adjust by bending fl oat tab.
Keihin Two-Barrel Carburetor Float Detail
1
2
B
A
A Float B
Measure From
Casting Surface
When proper fl oat height is obtained, carefully
reinstall fuel bowl onto carburetor, using new
O-rings. Secure with original screws. Torque screws
to 2.5 N·m (23 in. lb.) ± 0.3 N·m (3 in. lb.).
For one-barrel carburetor, correct fl oat height
setting is 22 mm (0.86 in.), measured from fl oat
bottom to body of carburetor. Adjust fl oat height by
carefully bending fl oat tab.
Keihin One-Barrel Carburetor Float Detail
B
A
A Float B Tab
When proper fl oat height is obtained, carefully
reinstall fuel bowl onto carburetor, using new a new
gasket. Secure with original screws. Torque screws
to 1.7 N·m (15 in. lb.).
27. Set idle mixture screws at midpoint of available
adjustment as a preliminary setting.
28. Use new mounting gaskets for air cleaner and
carburetor. Reinstall carburetor and disassembled
components following Reassembly procedures.
29. Reconnect spark plug leads and negative battery
cable. Start engine and perform Low Idle Speed
(RPM) Adjustment.
Fuel System
3124 690 06 Rev. P KohlerEngines.com
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