The forks have a bluey sort of colour to them, a bit like an iridium visor. One fork leg has a little adjuster wheel (blue) of some sort on top.
The frame sticker 'montesa' is a black outline. White plastics, red tank I think.
The cooling fan has a manual on/off switch.
Dont know which carb, the choke is a tiny flip up lever if that helps.
I have seen two different types of clutch master cyclinders on 315r's. This one has a 'squarer' top, another I have seen had more 'letter box' proportions.
Thats all I can remember.