Cylinder Wear; Test Positions For Bore Wear Check - Triumph T595 DAYTONA Service Manual

MPI
TiIuMoI
2.
Fit the piston onto the connecting rod with the
arrow on the piston crown facing AWAY from the
oil hole in the connecting rod.
3. Align the small end in the connecting rod with the
gudgeon pin hole in the piston.
4. Lubricate the piston, small end and gudgeon pin
with clean engine oil and fit the gudgeon pin.
5. Fit new circlips on both sides of the gudgeon pin
ensuring the circlips are correctly fitted in the
grooves.
WARNING: Failure to use new gudgeon
pin circlips could allow the pin to detach
A
from the piston. This could seize the engine and
lead to an accident.
6. The piston ring gaps must be arranged as shown
in the diagram below
1. Top Ring
2. Second Ring
3. Steel Oil Control Rings
4. Oil Control Ring Expander
NOTE:
• The top ring gap should be positioned in the 7
o'clock position, the second ring gap in the 1
o'clock position and the steel oil control ring
gaps in the 9 & 3 o'clock positions (one in each
position).
7. Fit the piston into the liner using a gentle rocking
motion to engage the rings in the bore.
t
3 = =3
1 4
6.21
CRANKSHAFT/RODS/PISTONS 6

Cylinder Wear

Measure the inside diameter of each cylinder using an
internal micrometer or similar accurate measuring
equipment.
Cylinder bore diameter — 885cc engine
Standard:
Service limit:
Cylinder bore diameter — 955cc engine
Standard:
Service limit:
1.
Check the diameter at points 1, 2 and 3.

Test Positions For Bore Wear Check

(bore shown in section)
2.
If any reading is outside the specified limits,
replace the liner and piston as an assembly.
75.985 — 76.030 mm
76.050 mm
78.985 — 79.030 mm
79.050 mm