Motorcycle Insurance Terms

Motorcycle Liability Insurance

Motorcycle Liability Insurance is the legally required foundation of most motorcycle policies. It pays for bodily injury (BI) and property damage (PD) that you cause to other people while riding your motorcycle. If you're at fault in an accident, liability coverage steps in to cover the other party's medical bills, lost wages, vehicle repairs, and even legal defense costs if you're sued.

Definition maintained by the InsurTool Editorial Team. Last reviewed .

What is Motorcycle Liability Insurance?

In plain English: Motorcycle liability is “third-party” coverage — it doesn’t pay for your injuries or your bike. It pays for everyone else’s damage you cause. Think of it as taking financial responsibility for your mistakes on two wheels instead of paying six-figure bills out of your savings.

Key Takeaways

  • Required by law in 48 US states plus Washington DC (only FL and WA do not mandate it)
  • Split into two parts: Bodily Injury (BI) for people, Property Damage (PD) for vehicles and property
  • Typically expressed as three numbers — e.g., 25/50/15 means $25k per person / $50k per accident BI + $15k PD
  • State minimums are almost always too low — experts recommend at least 100/300/50
  • Does NOT cover your own bike damage or your medical bills

How Motorcycle Liability Insurance Works

Bodily Injury Liability (BI)

BI covers medical expenses, lost income, pain and suffering, rehabilitation costs, funeral expenses, and legal fees for people injured when you cause a crash. It covers passengers in cars, pedestrians, bicyclists, and passengers on other motorcycles. BI always has two limits: a per-person cap and a per-accident cap.

Example 1: You rear-end a minivan at a stoplight. The driver needs $18,000 in ER treatment and physical therapy, their passenger needs $6,000 for a broken wrist, and the passenger misses 6 weeks of work ($4,000 in lost wages). Total BI claim: $28,000. If your policy is 25/50, the first person hits the $25k per-person cap and you owe the remaining $3,000 out of pocket; the passenger’s $10,000 is fully covered.

Property Damage Liability (PD)

PD covers repairs or replacement of other people’s vehicles and property — cars, trucks, motorcycles, bicycles, fences, guardrails, storefronts, parked boats, etc. PD has a single per-accident limit.

Example 2: You lose control on a wet curve and sideswipe a parked Tesla Model 3 and a brick mailbox. Tesla repair: $21,000. Mailbox/landscaping: $4,000. Total PD claim: $25,000. If you carry the California minimum of $15,000 PD, you’re on the hook for the remaining $10,000.

Motorcycle Liability Cost and Pricing

Liability-only motorcycle insurance is remarkably affordable. According to 2026 NAIC data, the national average for minimum limits is roughly $180-$280 per year, and even 100/300/50 only costs about $280-$450 per year — often just $15-$30 more per month for dramatically better protection. Your cost depends on your state, age, riding record, bike displacement, and coverage limits.

Use our Motorcycle Insurance Calculator to price liability limits for your exact profile.

US State Minimum Liability Requirements (Selected States)

State BI Per Person BI Per Accident PD Per Accident Motorcycle Insurance Required?
California $15,000 $30,000 $5,000 Yes
Texas $30,000 $60,000 $25,000 Yes
Florida $10,000 $20,000 $10,000 No (but Financial Responsibility law applies after an accident)
New York $25,000 $50,000 $10,000 Yes
Illinois $25,000 $50,000 $20,000 Yes
Ohio $25,000 $50,000 $25,000 Yes
Washington $25,000 $50,000 $10,000 No (mandatory proposal but rider may reject)
Arizona $25,000 $50,000 $15,000 Yes
Pennsylvania $15,000 $30,000 $5,000 Yes
National Recommended $100,000 $300,000 $50,000

Motorcycle Liability vs. Full Coverage Motorcycle Insurance

Feature Motorcycle Liability Only Full Coverage Motorcycle
Bodily Injury to others
Property Damage to others
Damage to YOUR bike (collision)
Damage to YOUR bike (theft, fire, vandalism)
Uninsured/Underinsured driver hits YOU
Your own medical bills ✅ (MedPay)
Avg annual cost (2026) $180 - $450 $600 - $1,500
Best for Old, low-value bikes; riders on a budget who can self-insure their bike Any bike worth over $3,000; riders who financed their bike; anyone wanting full financial protection

Frequently Asked Questions (FAQ)

Is motorcycle liability insurance required by law?

Yes, in 48 US states and Washington DC. Only Florida and Washington state do not require proof of motorcycle insurance upfront, though Florida’s Financial Responsibility law requires you to post a $10,000 surety bond or pay damages out of pocket if you cause an accident. In practice, riders in every state should carry liability.

What happens if I ride without liability insurance?

Penalties vary by state but commonly include: $100-$5,000 fines, 30-180 day license suspension, SR-22 filing requirements for 1-3 years, vehicle impoundment, and misdemeanor charges for repeat offenses. If you cause a crash while uninsured, you can be personally sued for every dollar of damages, which can exceed $500,000 in serious injury cases.

Why are state minimum liability limits so low? Should I carry more?

Most state minimums were written in the 1970s and have never been adjusted for inflation. A $15,000 BI limit per person barely covers one ambulance ride and an ER visit, let alone surgery or rehab. NHTSA data shows the average motorcycle accident involving serious injury generates $120,000+ in medical bills. We recommend at least 100/300/50, and 250/500/100 if you own a home, have savings, or earn over $75k/year. The extra coverage costs only $100-$250 more per year.

Does motorcycle liability cover a passenger on my bike?

Generally no. Your BI liability covers OTHER people’s injuries — not passengers on YOUR motorcycle. Passenger liability varies by state and policy; some policies include it automatically, others require a “passenger liability” endorsement, and a few carriers exclude passenger coverage entirely. Always confirm passenger coverage is active if you ever carry a pillion rider.

Will my motorcycle liability cover me if I ride someone else’s bike?

In most states, insurance follows the motorcycle, not the rider. So the bike owner’s policy is primary and yours would be secondary (excess) if the owner’s limits are exhausted. However, this varies by carrier and state. Some policies explicitly exclude permissive use of non-owned motorcycles, or cap it at the state minimum. Always check your policy language before borrowing a friend’s bike.

Does motorcycle liability cover off-road and track riding?

Virtually all standard motorcycle liability policies exclude off-road riding (trails, dirt, private land) and track days / racing. Those require separate specialty policies (off-road vehicle insurance or track-day event insurance). A few carriers offer limited “fire roads / maintained gravel” endorsements — ask your agent.

Sources & References

Full Coverage Motorcycle UM/UIM Motorcycle Coverage Motorcycle MedPay Lay-Up Motorcycle Insurance

About this definition

Written and checked against the primary sources linked on this page by the InsurTool Editorial Team. Definitions describe how these terms are used in the United States; policy wording differs between insurers, and state law changes the meaning of some terms. Your own policy document is the authority for your coverage.

Found something wrong? Tell us — corrections are checked at the source and recorded. Read our editorial policy.

InsurTool·Reviewed by Alice Zhang

Figures on this page are compiled by the InsurTool editorial team from NAIC and state Department of Insurance publications, the Insurance Information Institute, and carrier methodology disclosures. Every figure is checked against its cited source before publication; anything unverified is labelled as an estimate or left out. InsurTool is an educational resource — not insurance, brokerage, or financial advice.