Vanguard OHV V-Twin Repair Manual Page 43

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Vanguard
TM
Twin-Cylinder OHV Liquid-Cooled Engine
Section 4 - Engine Overhaul
Page 38
Check PTO Bearing
Check PTO bearing for wear or damage, Fig. 70.
If PTO bearing is worn or damaged, the crankcase cover
must be replaced.
Fig. 70
CRANKSHAFT
Check Crankshaft
Inspect crankshaft threads and keyways for damage or
wear. If threads or keyways are damaged or worn,
replace crankshaft. Check journals for scoring and wear,
Fig. 71.
If journals are scored or worn, replace crankshaft.
Fig. 71
Check Camshaft
Inspect gear teeth, lobes and journals for wear and
nicks. Camshaft journal and lobe reject sizes are shown
below. Replace cam gear if not to specification.
Fig. 72
PISTON, RINGS AND CONNECTING ROD
DISASSEMBLY AND INSPECTION
Measure cylinder bores before checking pistons and
rings If cylinder bore(s) require re-sizing it will not be
Reject Dimension: 1.7765” (45.12 mm)
Crankshaft Reject Sizes:
PTO Journal: 1.7695” (44.94 mm)
Mag Journal: 1.7695” (44.94 mm)
Crankpin Journal: 1.6525” (41.97 mm)
Camshaft Reject Sizes:
Journals: (Mag & PTO) .7845” (19.93 mm)
Lobes: (Int. & Ex.) 1.342” (34.08 mm)
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