Is the 2.5V6 an interference engine?
Click Here for a comprehensive chart showing interference status of engines. Mazda Manual Volume 1 section A, “Scheduled Maintenance” outlines these details: Non-California engines: Replace at 60,000 miles (96,000 KM) California engines: Inspect at 96,000 (60,000 miles) and again at 144,000 KM (90,000), Replace every 168,000 KM (105,000 miles) But what is of interest is the footnote that appears under the maintenance table for Canada with regards to the timing belt on Canadian engines: “Replacement of the timing belt is required every 96,000 KM (60,000 miles).