Disassembly; Assembly - Triumph DAYTONA 675 Service Manual

Crankshaft, Connecting Rods and Pistons
Crankcases
A
Caution
The upper and lower crankcases are machined as a
matched set and must never be assembled to non-
matching halves. Doing so may cause seizure of the
engine.
Remove the engine from the frame (see page 9-3).
1.
Remove the sump (see page 8-15).
2.
Remove the engine covers (see page 7-23).
3.
4. Remove the clutch (see page 4-6).
5. Remove the oil pump (see page 8-9).

Disassembly

ACaution
Failure to follow the correct screw release sequence may
result in permanent crankcase damage.
1. Invert the engine to give access to the lower
crankcase bolts.
2. Release the lower crankcase bolts in the sequence
shown in the diagram below. Note the position of
the hardened washers under bolts 19 to 26.
1 3 4
15
16
22
26
21
25
9
12
11
5 7
Crankcase Bolt Release Sequence
3. Separate the lower and upper crankcases ensuring
that the 3 locating dowels remain in the upper
crankcase.
ACaution
Do not use levers to separate the upper and lower
sections of the crankcase or damage to the crankcases
could result.
5.4
Service Manual - Daytona 675, Street Triple and Street Triple R
2
17
18
24
20
19
23
8
14
13
6
Note:
• At this point the transmission shafts,
balancer, crankshaft, bearings etc. can be
removed.
Note:
• The position of each individual bearing shell
prior to removal.
• Collect the piston cooling jets from below
the upper main bearings.

Assembly

Use high flash-point solvent to clean the crankcase
1.
mating faces. Wipe the surfaces clean with a lint-free
cloth.
2. Fit the gearbox shafts (if removed), ensuring the
locating ring and dowels on the output shaft
bearings are positioned correctly in the crankcase.
3. Ensure that the transmission is in neutral.
4. Ensure that the 3 locating dowels are in position in
the upper crankcase.
1
cdmx
1. Locating dowels
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