Triumph Rocket III Service Manual page 93

Crankshaft
=3
FRONT
...
1. Top Ring
2. Second Ring
3. Steel Oil Control Rings
8. 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).
9. Fit the piston into the bottom of the liner using a
gentle rocking motion to engage the rings in the
bore.
7. The piston ring gaps must be arranged as shown
in the diagram below.
Piston ring identification marks
2. Install a new circlip to one side of the piston.
3. Locate the piston to the connecting rod ensuring
that the piston direction arrow points to the right
hand (exhaust) side of the engine.
1. Piston
2. Direction arrow
4. Align the small end in the connecting rod with the
gudgeon pin hole in the piston.
5. Lubricate the piston, small end and gudgeon pin
with clean engine oil and fit the gudgeon pin from
the opposite side to the installed circlip.
6. Fit a new circlip to the remaining location in the
piston then check that both are correctly
installed. Rectify if necessary.
Fitting a piston into a liner
Re-using the original circlips may cause gudgeon
pin detachment resulting in engine seizure, loss of
motorcycle control and an accident.
Service Manual - Rocket III
5.17