70k or 5 yrs. I got mine done @ 50k as it gets some stick. Main thing to remember is to change the AUX belt @ 35k ish. Not in the service book, but a few have been known to fail and take out the cambelt!!!!!Chepa on a Cup too, around £12, and about 15 mins to change too!
is this the same for normal 172's aswell
Yes.