When refitting the piston rings on the piston, the arrow stamped inside the piston must be turned towards the operator.
The piston rings are different and must be installed with the "N" marking at the top.
Fit the lower oil scraper ring on the piston with the gap turned towards the exhaust side.
Install the remaining piston rings on the piston, offsetting the gaps in the rings by 90° relative to each other.
Fit a new retainer ring on the piston.
Fit the piston on the connecting rod and install the gudgeon pin.
- Specific tooling: 020470Y Pin snap ring fitting tool
Fit a new retainer ring on the piston to fasten the gudgeon pin.
- Specific tooling: 020470Y Pin snap ring fitting tool
