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Servicing Your Honda 65
Piston/Piston Rings/Piston Pin
We recommend you consult the Service Manual or
your dealer for correct Service Limit
measurements.
1. Remove the carbon deposits from the piston
crown and piston ring grooves with the
removed ring (1).
2. Apply engine oil to piston rings and install
them.
NOTICE
Do not damage the piston ring by spreading the
ends too far.
Do not damage the piston during piston ring
installation.
• To install the oil ring, install the spacer
first,
then install the side rails.
• Install the top ring on the piston with the
marking side facing up.
3. After installing the rings they should
rotate
freely, without sticking.
Space the ring end gaps 180 degrees apart
between top ring and upper side rail.
Space the ring end gaps 90 degrees apart
between upper side rail, spacer and lower side
rail.
Piston/Piston Pin/Piston Ring Inspection Piston Ring Installation
(1) removed ring
(1)
top ring
oil ring
mark
top ring
oil
ring
side rail
side rail
spacer
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