In article , Derek says...

FWIW, it's my son's bike (250 4-Stroke) and
is used for trail riding, not competition. He wants to get the maximum
life out of the chain & sprockets.

Aftermarket O-ring chain, and SP1 protective wax is what I use.

Chains and sprockets are consumable wear items. They only
last so long. Replace chains when replacing sprockets,
I tend to get about two chains per sprocket set.

Jim


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