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UM/UIM Claims for Motorcycle Accident Victims in Illinois

Mon 23 Feb, 2026 / by / Uninsured / Underinsured Motorist Claims

UM/UIM Claims for Motorcycle Accident Victims in Illinois

Motorcycle accidents produce some of the most devastating injuries — broken bones, road rash, traumatic brain injuries, spinal cord damage. The at-fault driver’s minimum $25,000 liability coverage rarely covers even the emergency room bill. That is where your own uninsured/underinsured motorist coverage becomes critical, and motorcycle riders face unique challenges in these claims.

This article is part of our complete guide to UM/UIM claims in Illinois.

Why Motorcyclists Need Higher UM/UIM Limits

Motorcyclists lack the structural protection of a car. No seatbelts, no airbags, no crumple zones. The result is that motorcycle crashes produce injuries disproportionately more severe than car accidents at the same speed. A fender-bender that might cause whiplash in a car can cause a broken femur or a TBI on a motorcycle.

Yet the at-fault driver’s insurance does not care what vehicle you were riding. Their $25,000/$50,000 policy pays the same regardless. If your medical bills hit $200,000 — common in a motorcycle crash with surgery and rehab — you need your own UIM coverage to fill the gap.

Motorcycle-Specific UM/UIM Issues

Illinois law requires auto insurers to offer UM/UIM coverage on all motor vehicle policies, including motorcycle policies (215 ILCS 5/143a). However, motorcycle policies sometimes have different coverage structures than auto policies. Some motorcycle-specific issues include:

  • Coverage rejection. If you signed a written rejection of UM/UIM coverage when you purchased your motorcycle policy, you may not have coverage. But defective rejection forms may be invalid — consult an attorney if you are unsure.
  • Stacking with auto policy. If you have both a motorcycle policy and a separate auto policy with UM/UIM coverage, you may be able to stack the limits to create a larger pool of coverage.
  • Helmet defense. Illinois does not require motorcycle helmets for adults over 18, so insurers cannot reduce your claim for not wearing one. However, they may argue pre-existing conditions or that your injuries would have been less severe with protective gear.
  • Comparative fault. Insurers frequently argue motorcyclists were speeding, lane splitting (illegal in Illinois), or otherwise contributing to the accident. This can reduce your UM/UIM recovery.

Filing a Motorcycle UM/UIM Claim

The process is the same as any UM/UIM claim: notify your insurer promptly, document the at-fault driver’s insufficient coverage, gather your medical records and bills, and submit a formal demand. See our step-by-step UM filing guide for the full process. Most disputes go to binding arbitration rather than a lawsuit.

Frequently Asked Questions

Does my motorcycle policy automatically include UM/UIM coverage?

Illinois law requires insurers to offer UM/UIM coverage on motorcycle policies. Coverage is included unless you specifically rejected it in writing. If you are unsure, check your declarations page or contact your insurer.

Can I use my car insurance UM/UIM coverage for a motorcycle accident?

Possibly. If your auto policy covers you as an individual (not just a specific vehicle), your UM/UIM coverage may extend to motorcycle accidents. Policy language varies — review your auto policy or consult an attorney.

Are motorcycle UM/UIM claims treated differently than car accident claims?

The legal process is the same, but motorcycle claims often involve higher damages and more aggressive insurer pushback on comparative fault. The lack of vehicle protection means injuries are typically more severe, making adequate UM/UIM limits even more important.

Talk to a Peoria UM/UIM Attorney

Call (309) 672-9000 or contact us online for a free consultation. At Parker & Parker Attorneys at Law, we handle UM/UIM claims on a contingency fee basis — you pay nothing unless we recover compensation for you.

Dealing with injuries after a car crash can feel overwhelming. Our our Peoria personal injury team can guide you through every step of the legal process.

Need a lawyer? This article is part of our Peoria Uninsured Motorist Lawyer practice area. Call Parker & Parker at 309-673-0069 for a free consultation.

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