CARBURETOR
90-857046R1 NOVEMBER 2001 Page 3B-23
Inspection
1. Inspect needle and piston valve. Replace if worn or damaged.
2. Measure auto enrichener resistance. Replace if out of specification.
Auto Enrichener Resistance
15-25 Ω @ 68°F (20°C)
3. Perform piston valve height test below.
Piston Valve Height Test:
a. Measure piston valve height
b. Connect to 12 V battery
c. Wait several minutes
d. Measure piston valve height
4. Replace auto enrichener if no change was observed.
a
a-Piston Valve Height Measurement
5. Inspect carburetor body, replace if cracked or damaged.
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