Briggs & Stratton 276535, Repair Manual

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2-Cycle Snow Engine
Section 4 - Engine Overhaul
Page 13
SECTION 4
ENGINE OVERHAUL
ENGINE INSPECTION & REPAIR
Flywheel and Key
1. Check the condition of the flywheel key and
keyway to ensure that is not partially sheared,
galled or distorted (Figure 29).
Fig. 29
2. Inspect the flywheel for cracks or damage.
Replace as necessary (Figure 30).
Fig. 30
NOTE
: Replace crankshaft and/or flywheel if
keyway is distorted or cracked in any way.
Bearings
1. Check ball bearings for wear and freedom of
movement; replace if questionable.
Crankcase
1. Inspect the crankcase for cracks or any other
indication of damage.
2. Clean crankcase surfaces with a commercial
gasket remover (Figure 31).
Fig. 31
Check Cylinder Bore
1. Check cylinder bore for wear using telescoping
gauge
(#19404)
and dial caliper
(#19199)
.
2. Measure cylinder bore at 6 right angle points as
shown in figure 32. Replace cylinder if bore
measures more than
2.5035 in. (63.58mm)
.
Fig. 32
Measure at 6 points
Top
Center
Bottom
Center Of Piston Travel