Without using the clutch, the transmission gears would likely clash and cause damage. However, there are some exceptions to this general rule:
- Some motorcycles allow clutchless shifting, particularly if equipped with a quick shifter.
- Semi-automatic or automated manual transmission (AMT) vehicles have an automated clutch system that operates without driver intervention.
- Dual-clutch transmissions (DCTs), commonly found in high-performance vehicles and some modern automobiles, shift gears automatically without the need for a manual clutch.
It's important to follow the manufacturer's recommendations and guidelines for your specific vehicle to ensure proper operation and avoid potential transmission issues.