Page 183 - Manual Oficina Polaris Sportsman 570 2014 a 2016

ENGINE / COOLING SYSTEM

11. Lubricate the piston pin with clean engine oil. Install CYLINDER HEAD ASSEMBLY
the piston pin until it seat against the MAG side
circlip. NOTE

Assemble the valves one at a time to maintain proper
order.

CAUTION
Wear eye protection during cylinder head disassembly
and reassembly or when working with the valve springs.
3
1. Apply engine oil to valve guides and seats.

2. Lubricate the valve stems with clean engine oil.
3. Install the valve u in the cylinder head, through the
guide.

12.Install the remaining circlip with gap at the 12:00
position. Push the piston pin in both directions to
make sure the clips are properly seated in the groove.

4. Carefully install a new valve seat/seal t, y on the
valve guide with a rotating motion. Push firmly until
seated in retaining groove and square with the guide
13.After the piston pin and circlip are installed, slide the 5. Dip the valve spring r and retainer w in clean
cylinder down onto the crankcase. engine oil.

9926803 R06 - 2014-2016 Sportsman 325 / ETX / 450 HO / 570 Service Manual 3.61
© Copyright Polaris Industries Inc.