It's a 91 mate, lt50 quad runner. I went for it this afternoon & pulled the wheel & shaft cover, such a simple brake setup, much simpler than I was expecting... Drum was full of mud, no wonder they weren't working properly! Also fabricated a set of foot guards to stop his wee feet slipping under the wheels when they come off the pegs.
Would still appreciate a manual if somebody's got one incase I need to do more in depth work!
Cheers