9850064 R03 - 2021 650 / 850 Matryx Trail Performance / Crossover Snowmobile Service Manual
© Copyright Polaris Inc.
3.99
ENGINE ASSEMBLY - TOP END
PISTON INSTALLATION
1. Warm the piston to 100 - 130 °F (38 - 54 °C) for
assembly to connecting rod.
2. Install the piston onto the connecting rod.
3. Install the piston pin
q
into piston.
4. Install the piston circlips
w
in the correct orientation.
5. Install the cylinder. See Cylinder Installation page
6. Install the cylinder head. See Cylinder Head