Mate,

Would recommend no matter what the visual state of the chain is to change it also along with the sprockets as otherwise you risk to damage them quickly and soon you will be in the same situation. Old chain is significantly reducing the life of new sprocket.

Safe ride.

__________________
that is how i feel about my XTR
Mods so far:
Hyperpro front springs; Hyperpro rear shock spring; modified air box; LED tail light; LED indicators + new relay; YZ pegs; Lucas aluminum bar; brisk spark plug; snorkel removed; DNA stage 1; second hand DynoJet O2 mod; crash bars; front and rear steel braided brake lines; soft EBC brake pads; mitas 07 tyres, 2in1 Metal Mule exhaust, Blocked AIS, tall OEM screen, OTR bash plate