Carefully install the piston rings into the piston ring grooves with their marks facing up.
• Apply oil to the piston rings.
• Avoid piston and piston ring damage during installation.
• Install the piston rings with the marks facing up.
• Do not mix the top and second rings; the top ring is narrower than the second ring in width.
Stagger the piston ring end gaps 120° apart from each other.
Stagger the side rail end gaps as shown.
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