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SUM Coverage: The Insurance Binghamton Riders Should Not Skip

SUM Coverage: The Insurance Binghamton Riders Should Not Skip

New York Law
Planned publication November 19, 2026

A driver can carry legal insurance in New York and still have too little coverage for the harm caused in a motorcycle crash. That gap matters whether you commute on the Vestal Parkway or take Route 26 out of Binghamton for an afternoon ride. Supplementary Uninsured/Underinsured Motorist coverage, usually called SUM, is one way riders can protect themselves before that happens. It is optional coverage, so knowing that your motorcycle is insured does not tell you whether you have it. A Binghamton motorcycle accident lawyer can help review the policy after a crash, but your insurance agent is the person to ask about buying or changing coverage before the next ride.

Quick answer: SUM can help an insured rider recover covered bodily injury damages when a negligent driver has no insurance or limits that are too low. It is optional in New York and generally cannot exceed your own bodily injury liability limits. The other driver's liability payment is generally credited against your SUM limit. It is not an extra full limit automatically added to that payment. Your policy terms, coverage and the facts control.
25/50/10
New York minimum injury and property liability limits, in thousands
25/50
Required basic uninsured motorist limits, in thousands
Optional
SUM protection for drivers with too little insurance

What the Required Minimums Actually Mean

New York's minimum liability limits are commonly written as 25/50/10. That means $25,000 for bodily injury to one person, $50,000 for bodily injury to two or more people in one crash, and $10,000 for property damage. Higher minimums apply to death claims: $50,000 per person and $100,000 per crash. Those figures describe the driver's liability coverage, not an assurance that every loss will be paid.

Basic uninsured motorist coverage, or UM, is also required at $25,000 per person and $50,000 per crash. It addresses uninsured and certain hit-and-run drivers under its terms. Basic UM is not the same as protection against an insured driver whose limits are too low. SUM expands that protection, including qualifying underinsured claims. It covers bodily injury rather than replacing collision coverage for damage to your bike.

SUM Is Optional, So Check the Policy You Have

Do not assume SUM is missing, or that it is there, based on the premium alone. Some newly issued policies include SUM at the bodily injury liability limits unless the buyer chooses lower limits or rejects it. That still makes it important to check what you selected. Ask your agent to show you the declarations page and the actual SUM endorsement for your motorcycle.

SUM generally can be bought up to your own bodily injury liability limits. If you want higher SUM limits, you may need to raise those liability limits too. Ask for the available choices and their cost. Confirm who is insured, which motorcycle is covered and how the coverage applies to passengers or other vehicles. A household car policy should not be assumed to cover every motorcycle situation.

When the Other Driver Has Only $25,000

Imagine a driver changes lanes on Route 17 and injures a rider. The rider's covered damages exceed $100,000, but the driver has only $25,000 in bodily injury liability coverage for that person. If the rider has qualifying SUM coverage with a $100,000 per-person limit, SUM may help after the applicable liability coverage has been exhausted and the policy conditions have been satisfied.

The important detail is the offset. The $25,000 paid by the other driver's insurer is generally credited against the $100,000 SUM limit. In this simplified example, that generally leaves up to $75,000 potentially available from SUM, for up to $100,000 combined. It does not automatically mean $25,000 plus another $100,000. This is an illustration of limits, not a prediction of payment. Fault, damages, other available coverage, exclusions and policy requirements can change the result.

No-Fault Does Not Fill the Motorcycle Gap

New York's no-fault benefits generally do not cover a motorcycle rider's own injuries. A rider hurt on I-81 cannot assume the same no-fault medical and wage benefits that protect people in cars will be available. Health insurance and any optional motorcycle medical payments coverage may matter while the injury claim is being addressed.

SUM does not turn the motorcycle policy into no-fault coverage or promise immediate payment of every bill. It provides another possible source of bodily injury recovery under its terms. That is why reviewing both your health coverage and motorcycle insurance before a crash is useful.

A Short Coverage Checklist for Your Agent

After a Crash, Review Coverage Before Signing

After a collision on Route 26, the Vestal Parkway or another Southern Tier road, get appropriate medical care and preserve photos, witness information and insurance details. Notify the relevant insurers promptly. Before signing a release or accepting the other driver's policy limits, get advice about SUM notice and settlement requirements. A settlement can affect rights under your own policy.

You do not need to know every insurance term before asking for help. Bring the declarations page, SUM endorsement and any letters from the insurers. Schimmerling Injury Law can review the available coverage and explain the next steps without promising a particular recovery.

The other driver's limits should not be a surprise.
Hurt in a motorcycle crash? Call Tom Schimmerling and Schimmerling Injury Law at (607) 772-5291 for a free case review. Serving Binghamton and the Southern Tier, and part of Ride Nation Binghamton.

Sources: New York Department of Financial Services insurance guidance; New York Insurance Law 3420; New York DMV liability insurance requirements.

This article is general information about New York law and insurance, not legal advice. Coverage depends on the policy and the facts. Speak with your insurance agent about coverage choices and a licensed New York attorney about a specific claim.

Tom Schimmerling
About the Firm
Tom Schimmerling
Motorcycle Injury Attorney · Schimmerling Injury Law

Tom Schimmerling and the Binghamton motorcycle injury attorneys at Schimmerling Injury Law represent riders hurt by negligent drivers. If you have questions after a crash, their team is here to help.

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