Refer to “engine bottom side disassembly” (page 1d- 49).
Refer to “engine bottom side assembly” .
Conrod small end I.D.
Measure the conrod small end inside diameter using the small bore gauge.
If the conrod small end inside diameter exceeds the service limit, replace the conrod.
Special tool
(a): 09900–20602 (dial gauge)
(b): 09900–22401 (small bore gauge
(10 – 18
mm))
Conrod small end i.D.
Service limit: 15.040 Mm (0.5921 In)

Conrod big end side clearance
Special tool
(a): 09900–20803 (thickness gauge)
Conrod big end side clearance service limit: 0.30 Mm (0.012 In)

Special tool
(b): 09900–20205 (micrometer (0 –
25 mm))
(c): 09900–20605 (dial calipers (10
– 34
mm))
Conrod big end width standard: 19.95 – 20.00 Mm (0.7854 – 0.7874 In)
Crank pin width standard: 20.10 – 20.15 Mm (0.7913 – 0.7933 In)

Crankshaft runout
Support the crankshaft using v-blocks as shown, with the two end journals resting on the blocks. Set up the dial gauge as shown, and rotate the crankshaft slowly to read the runout. Replace the crankshaft if the runout exceeds the service limit.
Special tool
(a): 09900–20607 (dial gauge)
(b): 09900–20701 (dial gauge chuck)
(c): 09900–21304 (v blocks)
Crankshaft runout service limit: 0.05 Mm (0.002 In)

Conrod crank pin bearing removal and
installation
Conrod crank pin bearing inspection and
selectionRegulated voltage inspection
Inspect the regulated voltage in the following
procedures:
remove the front seat. Refer to “exterior parts
removal and installation” in section 9d (page 9d-
6).
Start the engine and keep it running at 5 000 r/min
with the dimmer switch turned hi position.
Measure the dc vo ...
Diagnostic information and procedures
Engine mechanical symptom diagnosis
Refer to “engine symptom diagnosis” in section 1a .
Compression pressure check
The compression pressure reading of a cylinder is a
good indicator of its internal condition.
The decision to overhaul the cylinder is often based on
the results of a compressio ...
Generator removal and installation
Removal
Drain engine oil. Refer to “engine oil and filter replacement” in
section 0b .
Remove the left side cowling. Refer to “exterior parts removal and
installation” in section 9d .
Disconnect the generator coupler (1).
Remove the generator cover (2).
...