Kohler K161 User Manual download pdf (Page 11)

5 . Low Idle Fuel Needle Setting: Place the throttle

into the Tdlem or %low’ position.

Turn the low idle fuel adjusting needle out

(counterclockwise) from the preliminary setting

until the engine speed decreases (rich). Note the

position of the needle.

Now turn the adjusting needle In (clockwise). The

engine speed may increase, then it will decrease

as the needle is turned in (lean). Note the

position of the needle.

Set the adjusting needle midway between the rich

and lean settings.

Adjust To

Midpo lint

Rich

Lean

6 .

Low Idle Speed Settlng: Place the throttle

control into the idle or slow position. Set the idle

speed to 1200” RPM (* 75 RPM) by turning the

idle speed adjusting screw in or out. Check the

speed using a tachometer.

NOTE: *The actual idle speed depends on

the application. Refer to the

equipment manufacturer’s

instructions for specific low idle

speed settings. The recommended

low idle speed for the Basic Engines

is 1200 RPM. To ensure best results

when setting the low idle fuel

needle, the low idle speed must not

exceed 1500 RPM.

Walbro Carburetor Adjustment

.Idle SDeed Screw

Main Fuel Needle

In general, turning the adjusting needles In

(clockwise) decreases the supply of fuel to the

carburetor. This gives a leaner fuel-to-air mixture.

Turning the adjusting needles out (counterclockwise)

increases the supply of fuel to the carburetor.

1. With the engine stopped, turn the adjusting

needle(s) In (clockwise) until it bottoms lightly.

NOTE: The tips of the fuel adjusting needles are

tapered to critical dimensions. Damage to

the needles and the seats in carburetor body

will result if the needles are forced.

2. Preliminary Settlngs: Turn the adjusting

needle(s) out (counterclockwise) from lightly

bottomed as follows or to the rich side of

adjustment.

1 WALBRO FIXED JET 1

LOW IDLE

K91

NOT APPL.

K161

NOT APPL.

K181

2-l/2 TURNS

1 WALBRO ADJ 1 LOW IDLE 1 MAIN FUEL 1

K91 1 l-3/4 TURNS 1 3/4 TURNS 1

K161 1 2-l/4 TURNS 1 l-1/8 TURNi 1

K181 1 2-I/2 TURNS 1 3/4 TURNS 1

1 2 ... 6 7 8 9 10 11 12 13 14 15 16

Comments to this Manuals

No comments

Kohler K161 User Manual Page 11

Comments to this Manuals