CRANKSHAFT
5-68
EAS26040
REMOVING THE CRANKSHAFT JOURNAL
BEARINGS
1. Remove:
• Crankshaft journal lower bearings
(from the lower crankcase)
• Crankshaft journal upper bearings
(from the upper crankcase)
NOTE:
Identify the position of each crankshaft journal
bearing so that it can be reinstalled in its original
place.
ET2C01018
CHECKING THE OIL NOZZLES
The following procedure applies to all of the oil
nozzles.
1. Check:
• Oil nozzle
Damage/wear
→
Replace the oil nozzle.
• O-ring
Damage/wear
→
Replace.
• Oil passage
Obstruction
→
Blow out with compressed air.
EAS26070
CHECKING THE CRANKSHAFT AND
CONNECTING RODS
1. Measure:
• Crankshaft runout
Out of specification
→
Replace the crank-
shaft.
2. Check:
• Crankshaft journal surfaces
• Crankshaft pin surfaces
• Bearing surfaces
Scratches/wear
→
Replace the crankshaft.
3. Measure:
• Crankshaft-journal-to-crankshaft-journal-
bearing clearance
Out of specification
→
Replace the crank-
shaft journal bearings.
CAUTION:
ECA13920
Do not interchange the crankshaft journal
bearings. To obtain the correct crankshaft-
journal-to-crankshaft-journal-bearing clear-
ance and prevent engine damage, the crank-
shaft journal bearings must be installed in
their original positions.
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a. Clean the crankshaft journal bearings, crank-
shaft journals, and bearing portions of the
crankcase.
b. Place the upper crankcase upside down on a
bench.
c. Install the crankshaft journal upper bearings
“1” and the crankshaft into the upper crank-
case.
NOTE:
Align the projections “a” on the crankshaft jour-
nal upper bearings with the notches “b” in the up-
per crankcase.
d. Put a piece of Plastigauge
®
“1” on each
crankshaft journal.
NOTE:
Do not put the Plastigauge
®
over the oil hole in
the crankshaft journal.
Runout limit C
0.030 mm (0.0012 in)
Journal oil clearance (using plas-
tigauge
®
)
0.020–0.044 mm (0.0008–0.0017
in)
Summary of Contents for YZFR6V
Page 1: ...SERVICE MANUAL YZFR6V C LIT 11616 19 78 2C0 28197 10 ...
Page 57: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 31 EAS20410 LUBRICATION DIAGRAMS 1 2 3 4 ...
Page 59: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 33 1 2 3 4 8 7 6 5 ...
Page 61: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 35 1 2 3 4 5 ...
Page 63: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 37 1 5 4 3 2 ...
Page 65: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 39 3 1 2 5 4 ...
Page 67: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 41 1 3 2 ...
Page 68: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 42 1 Oil pipe 2 Main axle 3 Drive axle ...
Page 69: ...COOLING SYSTEM DIAGRAMS 2 43 EAS20420 COOLING SYSTEM DIAGRAMS 1 2 3 4 ...
Page 71: ...COOLING SYSTEM DIAGRAMS 2 45 A A 2 1 3 4 5 6 7 8 6 13 8 9 15 14 9 10 11 12 ...
Page 81: ...CABLE ROUTING 2 55 A 3 1 2 3 C B ...
Page 83: ...CABLE ROUTING 2 57 4 5 7 8 9 11 13 14 12 10 15 16 11 16 6 A C E B D 5 6 10 12 16 1 2 3 ...
Page 200: ...CHAIN DRIVE 4 73 1 2 3 a a New ...
Page 235: ...PICKUP ROTOR 5 32 ...
Page 309: ...AIR INDUCTION SYSTEM 7 15 EAS27040 AIR INDUCTION SYSTEM 2 1 2 4 3 4 3 6 4 5 A A ...
Page 388: ...ELECTRICAL COMPONENTS 8 79 1 5 4 3 2 6 7 8 9 10 12 13 11 14 15 16 17 ...
Page 419: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...