P25 Series of Engines
32
6.
If the fuel/air mixture is lean:
•
Inspect the carburetor spacer for cracks.
•
Inspect the spacer O-ring.
NOTE:
A cracked spacer or a leaking O-ring
between the spacer and the cylinder or the
spacer and the carburetor could result in a
lean run condition or prevent the impulses
from the engine from driving the fuel pump.
See Figure 5.13.
7.
Inspect the butterfly valve assemble for debris and
freedom of movement. See Figure 5.14.
8.
Perform a needle valve pop off test by following the
carburetor manufacturer’s recommendations.
9.
If there is a problem with the carburetor, check on
availability and price of parts to determine if the car-
buretor should be repaired or replaced.
Figure 5.13
Spacer
O-ring
Figure 5.14
Butterfly valve
For Parts Call 606-678-9623 or 606-561-4983
www.mymowerparts.com
Summary of Contents for 25cc
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