Hi mate,

I would not be able to advise you on the price as I am not aware of the SA market, but the absence of the red key is a problem. You cannot do anything (apart of riding) w/o that key. It is uses for other keys' ECU programming. If something happens you will have to buy new wiring loom along with new ECU, barrel lock etc. which could be pricey. But if the price of the bike is significantly lower than the market average, probably it is worth the try...
After all your decision

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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