Crankshaft/Piston Service Information; Crankshaft/Piston Specification - Honda Gold Wing GL1200D Shop Manual

C"j\HONDA
~
GL12000' GL1200A
11. CRANKSHAFT/PISTON
SERVICE INFORMATION
TROUBLESHOOTING
PISTON/CONNECTING ROO
REMOVAL
CRANKSHAFT REMOVAL
11-1
11-2
11-3
11-6
CRANKSHAFT BEARING
CRANKSHAFT INSTALLATION
PISTON AND ROD INSTALLATION
CYLINDER COMPRESSION
11-8
11-12
11-13
11-17
SERVICE INFORMATION
GENERAL
• To separate the engine cases, refer to Section 10. TRANSMISSION/SHIFT LINKAGE.
• To remove the crankshaft and pistons,
it
is necessary to remove the engine and separate the engine case halves. For engine
removal, see Section 5.
"--' • If you will not be removing the right side pistons (cylinder No.1 and 3). it is not necessary to remove the right cylinder
head. Certain steps are required to prevent valve damage when separating the engine cases without first removing the right
cylinder head.
• Whenever the case is disassembled, remove all gasket material from oil passages and water jeackets.
• Do not reused old piston Pins.
• The piston pins are a tight pressure fit to the rod small ends. To remove and install the piston pins, it is necessary to use a
special tool.
m
r
u .,
SPECIFICATION
nI :
mm
'"
ITEM STANDARD
SERVICE LIMIT
Cylinder compression pressure
1,100-1,500
kPa
1,000 kPa
(11-15 kg/cm
2
,
156-213 psi)
(10 kg/cm
2
,
142 psi}
Cylinder Cylinder 1.0.
75.500 75.515 (2.9724-2.9730} 75.60 (2.976}
Out·of·round
-
0.15 (0.006}
Taper
-
0.05 (0.002)
Piston Piston 0.0. {at skirt}
75.470 75.490 (2.9713 2.9720) 75.35 (2.967)
Piston pin hole 1.0.
19.010 19.016 (0.7484-0.7487) 19.03 (0.760)
Piston to cylinder crearance
0.010-0.045 (0.0004-0.0018)
0.15 (0.006)
Piston pin Pin 0.0. (at sliding surfaces)
18.994-19.000 (0.7478-0.7480)
18.98 (0.747)
Pin·to·piston crearance
0.010 0.022 (0.0004 0.0009) 0.05 (0.002)
Pin·to·rod interference 0.015-0.039 (0.0006-0.0015)
-
Piston ring End gap Top and second 0.10-0.30 {0.004-0.012}
0.60 (0.024)
Oil ring side rail 0.20 0.90 (0.008 0.035)
1.10 (0.043)
Ring·to-ring land clearance
0.015 0.045 (0.0006 0.0018)
0.12 (0.005)
Crankshaft, Aunout (at center journal)
0.05 (0.002)
connecting rod
Rod side crearance
0.15-0.30 (0.006-0.012) 0.40 (0.016)
Crank pin bearing oil crearance
0.020-0.044 (0.0008-0.0017) 0.08 (0.003)
Main bearing oil crearance
0.020 0.044 {0.0008 0.0017}
0.08 (0.003)
Main and
Taper
-
0.004 (0.0002)
crank pin
journal
Out·Qf·round
-
0.008 (0.0003)
11 -1