ENGINE
2.15
ENGINE INSPECTION PROCEDURES, CONT.
Reed Valve Inspection
1. Measure the air gap between fiber reed and reed
block as shown. The air gap should not exceed
.015
″
(.40 mm) If clearance is excessive DO NOT
attempt to reverse the reeds to reduce the air gap.
Always replace them if damaged.
Check each fiber
reed for stress marks or missing material.
Clutch Cover and Brake Lining
2. Inspect the condition of the clutch cover. Measure
the inside diameter of the cover using a caliper. The
inner diameter service limit is 4.43″ (112.5 mm).
Inspect the condition and diameter of the brake
lining. The service limit of the lining is .039″ (1.0
mm). If either of these measurements exceeds the
limit, replace the clutch cover.
Compression Spring
3. Use a vernier caliper to inspect the length of the
compression spring. With the spring at full
extension, the measurement should be no less than
2.74″ (69.7 mm). If out of specification, replace
spring.
Belt Inspection
4. Inspect the surface of the drive belt for uneven wear
or grease deposits. Using a vernier caliper,
measure the width of the belt. The service limit of
the belt is .626″ (15.9 mm). If the width of the belt is
less than the service limit, or if the belt is worn,
glazed or hourglassed, replace.
Reed Pedal
Clearance .015
″
(.38 mm) max.
Exaggerated
for illustration
Reed Valve Air Gap
Service Limit:
.015I (0.4 mm)
.039″ (1.0 mm)
Clutch Cover Inner Diameter
Service Limit: 4.43I (112.5 mm)
Brake Lining
Service Limit: .039″ (1.0 mm)
Compression Spring
Service Limit:
2.74I (69.7 mm)
Drive Belt Width
Service Limit
.626I (15.9 mm)
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