Polaris TX Starfire Owner's Manual page 41

TX STARFLAME ENGINE (Con't.)
The pocket knife is to remove the new 'Spirolox' wrist pin re-
tainer (see diagram).
To remove the 'Spirolox', take a suitable pocket knife blade
and pry out on the lip (point no. 1) and unwind lock from
piston. To replace, put (point no. 2) into snap ring groove and
spiral into pin bore ring groove.
NOTE:
These retainers should be replaced with new retainers
after they have been removed.
When reassembling crankcase halves, be certain that both halves
are completely clean and apply a thin coat of sealer.
8. Ignition timing- see ignition section.
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