The is an older model (1970s–80s). It shares many components with the M24 and M26 . If you cannot find an exact M25 manual, look for:
Elias wiped a smear of hydraulic grease across his forehead, accidentally creating a camouflaged stripe with the mud already there. He was lying on his back in the gravel, staring up at the underbelly of a beast that had been yellow in a past life but was now mostly rust and peeling paint. reparaturanleitung+multicar+m25+pdf+full
Avoid suspicious "free PDF download" sites – they often contain malware or incomplete/scanned low-quality copies. The is an older model (1970s–80s)