CRANKCASE
5-57
EAS25550
DISASSEMBLING THE CRANKCASE
1. Place the engine upside down.
2. Remove:
• Crankcase bolts
NOTE:
• Loosen each bolt 1/4 of a turn at a time. After
all of the bolts are fully loosened, remove them.
• Loosen the bolts in decreasing numerical order
(refer to the numbers in the illustration).
• The numbers embossed on the crankcase in-
dicate the crankcase tightening sequence.
• M8
×
115 mm bolts: “8”, “9”
• M8
×
85 mm bolts: “1”–“7”, “10”
• M8
×
65 mm bolts: “11”, “12”
• M6
×
80 mm bolt: “28”
• M6
×
65 mm shoulder bolts: “13”, “14”
• M6
×
65 mm bolts: “16”, “20”, “21”
• M6
×
55 mm bolts: “15”, “22”–“27”
• M6
×
45 mm bolts: “17”–“19”
3. Remove:
• Lower crankcase
CAUTION:
ECA13900
Tap on one side of the crankcase with a soft-
face hammer. Tap only on reinforced por-
tions of the crankcase, not on the crankcase
mating surfaces. Work slowly and carefully
and make sure the crankcase halves sepa-
rate evenly.
EAS25580
CHECKING THE CRANKCASE
1. Thoroughly wash the crankcase halves in a
mild solvent.
2. Thoroughly clean all the gasket surfaces and
crankcase mating surfaces.
3. Check:
• Crankcase
Cracks/damage
→
Replace.
• Oil delivery passages
Obstruction
→
Blow out with compressed air.
EAS25600
CHECKING THE OIL PIPE
1. Check:
• Oil pipe
Damage
→
Replace.
Obstruction
→
Wash and blow out with com-
pressed air.
EAS25620
CHECKING THE TIMING CHAIN
Refer to “CAMSHAFTS” on page 5-7.
EAS25640
ASSEMBLING THE CRANKCASE
1. Lubricate:
• Crankshaft journal bearings
(with the recommended lubricant)
2. Apply:
• Sealant
(onto the crankcase mating surfaces)
NOTE:
Do not allow any sealant to come into contact
with the oil gallery or crankshaft journal bear-
ings. Do not apply sealant to within 2–3 mm
(0.08–0.12 in) of the crankshaft journal bearings.
3. Install:
• Dowel pins
4. Set the shift drum assembly and transmission
gears in the neutral position.
5. Install:
• Lower crankcase “1”
(onto the upper crankcase “2”)
2
6
9
8
1
4
3
5
7
10
13
25
26
14
20
12
21
11
15
19
18
16
28
27
17
24 23 22
Recommended lubricant
Engine oil
Yamaha bond No. 1215
90890-85505
(Three Bond No.1215
®
)
1. Three Bond No.1215
®
2. Three Bond No.1280B
1
2
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 ...