For more detailed mission steps or modding instructions, check out community-created guides: Steam Community: All Main Quests Guide Steam Community: 100% Achievement Guide Modding 101: Using MelonLoader Motorcycle Mechanic Simulator 2021 - Steam Community
: If you get a "checksum error" or a "missing volume" message, it means one of the parts is corrupted or missing from the folder. Official Resources & Walkthroughs Motocykl.Mechanik.Simulator.2021-CODEX.part3.rar
If you are having trouble with multi-part .rar files (like part3.rar ): For more detailed mission steps or modding instructions,
: Use WinRAR or 7-Zip to right-click only the first part ( part1.rar ) and select "Extract Here." The software will automatically pull data from all other parts to complete the file. Technical Troubleshooting
: Invest your early skill points into Junkyard upgrades and the Business Master skill to maximize your earnings. Technical Troubleshooting