Question

question 14
what would be the first thing you would check if a customer states about his lawn mower: \i hit a rock, and now its vibrating badly.\
check the mower deck
check the wheels
check the crankshaft and blade
check the fuel

Explanation:

Hitting a rock often damages or unbalances the crankshaft and blade, which is the most common cause of sudden severe vibration in a lawn mower. Other options are less directly linked to vibration from this incident.

Answer:

Check the crankshaft and blade