I think it all depends on what you term as off roading

Jasxt would have done alot of off roading that other people would have used something like a drz400 or even lighter or off road basis machinary

Ive only done a bit of off roading and find that the standard exhausts are low but you can live with them, but something like a 2 into 1 would be good if you wanted to push the bike further.

As for bash plates, again youve a few options.

Home made, can be done and you know what you make, and what it should be able to withstand. Takes time though

I got a SW motech one (now discontinued) and it works with the oe pipes, its 1.3mm alumimum, its taken a good few hits and bashs but still works and has done its job. Was �40 so very cheap but has grounded out a couple of times.

Touratech, not used it but they are suppose to be bomb proof, but are very expensive and cover quiet alot of the bike.

Take note though the water pump is very exposed and most bash plates dont cover them so either crash bars or another small protect should be got

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Plough on