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Mercury 40 Service Manual

Mercury 40
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CARBURETOR
90-828631R3 MARCH 1999 Page 3B-27
5. Remove idle mixture screw.
NOTE: 45 hp Models – Screw Adjuster (91-809906A1) is required to remove idle mixture
screw.
53674
a
b
c
a-Idle Mixture Spring
b-Idle Mixture Screw
c-Plug
Inspection
CAUTION
Do not use steel wire for cleaning the jets as this may enlarge the jet diameters and
seriously affect performance. Use a petroleum based solvent for cleaning and blow
out all passages with compressed air.
1. Inspect carburetor body, replace if cracked or damaged.
53671
2. Inspect float, replace if cracked or damaged.
53673
3. Inspect pilot screw. Replace if bent or damaged.
53673

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Mercury 40 Specifications

General IconGeneral
BrandMercury
Model40
CategoryOutboard Motor
LanguageEnglish

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