The M endorsement lets you drive a motorcycle as part of your commercial driving job

The M endorsement on a commercial driver's license (CDL) is permission to operate a motorcycle for work. Without it, you cannot legally drive a motorcycle in any commercial capacity — even if you hold a regular motorcycle endorsement on a non-commercial license. The M endorsement is separate from your car or truck driving privileges and requires its own knowledge test and skills test.

Most people who get an M endorsement work in delivery, security, or law enforcement. Some states also issue M endorsements to motorcycle instructors or people who operate motorcycles as part of a business. The endorsement itself does not restrict what kind of motorcycle you can ride — that depends on your state's rules about engine size and weight — but it does mean your employer can legally hire you to ride one on the job.

Key Takeaways

  • An M endorsement is required to operate any motorcycle in a commercial capacity, even if you already have a regular motorcycle license.
  • You must pass a written knowledge test and a riding skills test specific to motorcycles to earn the M endorsement.
  • The M endorsement does not change your other CDL privileges — you keep all car and truck driving rights you already have.
  • Some states require you to hold a regular motorcycle endorsement first before you can add the M endorsement to your CDL.

How the M endorsement differs from a regular motorcycle license

A regular motorcycle endorsement on a standard driver's license lets you ride a motorcycle for personal use. An M endorsement on a CDL lets you ride a motorcycle for work. The two are not the same document, and one does not automatically give you the other.

If you already have a regular motorcycle endorsement, some states will waive the written test for the M endorsement but still require you to pass the riding skills test. Other states treat them as completely separate and require you to pass both tests. Check with your state's Department of Motor Vehicles (DMV) or equivalent agency to learn what tests you need to take.

What you need to do to get an M endorsement

The process starts with holding a valid CDL in your state. You cannot add an M endorsement to a learner's permit or a standard driver's license — you must already have a CDL for another class of vehicle (usually Class A, B, or C).

Next, you study for and pass the motorcycle knowledge test. This written exam covers motorcycle operation, safety, braking, turning, and hazard awareness. The test is usually 20 to 50 questions depending on your state, and you need to score at least 80 percent to pass. You can study using your state's CDL manual or a motorcycle-specific study guide.

After you pass the written test, you schedule a motorcycle skills test with your state's testing agency. You bring your own motorcycle (or rent one that meets your state's requirements) and demonstrate that you can operate it safely. The examiner watches you perform basic maneuvers — starting, stopping, turning, and sometimes emergency braking — and rates your control and judgment. If you pass, the M endorsement is added to your CDL.

Motorcycle requirements for the skills test

The motorcycle you use for the skills test must meet your state's specifications. Most states require a motorcycle with an engine of at least 250 cubic centimeters (cc) and a seat height you can reach with both feet on the ground. Some states have a maximum engine size as well — often 750 cc — to keep the test fair for all riders.

The motorcycle must be street-legal and registered in your state. It must have working brakes, lights, mirrors, and horn. You are responsible for bringing a helmet that meets Department of Transportation (DOT) standards. If your motorcycle does not meet the state's requirements, you cannot take the test, so verify the specifications before you schedule your appointment.

How long the M endorsement process takes

The written test can usually be scheduled within a few days to a week of when you request it. You can often take it the same day you explore, depending on your local DMV's workload. Once you pass the written test, scheduling the skills test may take longer — anywhere from one week to several weeks, depending on how many examiners your state has and how busy they are.

Plan for at least two to four weeks from start to finish if you are in a busy area. In rural areas or during slower seasons, you might complete both tests in one or two weeks. Call your state's DMV ahead of time to ask about current wait times for skills test appointments.

What happens after you pass the M endorsement test

Once you pass both the written and skills tests, your CDL is updated to include the M endorsement. Your state will issue you a new CDL card with the M listed among your endorsements. You can then legally operate a motorcycle in a commercial capacity for your employer.

The M endorsement does not expire separately from your CDL. When your CDL comes up for renewal, you renew the entire license, including the M endorsement, at the same time. You do not need to retake the M endorsement tests unless your state requires a skills test renewal (some states do; others do not).

Restrictions and limits on the M endorsement

The M endorsement itself has no restrictions — it straightforward authorizes you to ride a motorcycle for work. However, your employer may place restrictions on when, where, or how you can ride. Some employers only use motorcycles for specific routes or weather conditions. Others require additional safety training beyond what the state test covers.

Your insurance company may also set limits. Commercial motorcycle insurance is more expensive than personal motorcycle insurance, and some insurers will not cover certain types of motorcycles or certain uses. Ask your employer's insurance broker what coverage is available before you start the job.

Frequently Asked Questions

Do I need a regular motorcycle license before I can get an M endorsement?

It depends on your state. Some states require you to hold a regular motorcycle endorsement first; others do not. Contact your state's DMV to learn the requirement. If your state does require it, you will need to pass a separate motorcycle test on your standard driver's license before you can add the M endorsement to your CDL.

Can I use my personal motorcycle for the M endorsement skills test?

Yes, as long as it meets your state's specifications for engine size, seat height, and street-legal equipment. You must own or have permission to use the motorcycle, and it must be registered and insured. Some testing centers have rental motorcycles available if you do not have your own.

What if I fail the M endorsement skills test?

You can retake the test. Most states let you schedule another appointment within a few days or weeks. There is usually a fee for each test attempt. You do not need to retake the written test unless your state requires it or unless you wait too long between attempts (some states have a time limit).

Does the M endorsement cost extra on my CDL renewal?

Some states charge a small fee to add the M endorsement when you first earn it, but renewal costs vary by state. Contact your DMV for the exact fee. The endorsement itself does not increase your CDL renewal fee in most states.

Can I lose my M endorsement if I get a traffic ticket on my motorcycle?

A traffic ticket alone does not remove an endorsement. However, serious violations — like a DUI, reckless driving conviction, or at-fault accident — can result in suspension or revocation of your CDL and all endorsements. Your state's DMV will notify you if your M endorsement is affected.