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How Aftermarket Modifications Can Affect a Motorcycle Injury Claim

Motorcycles are often more than just a mode of transportation, they’re a form of self-expression. Many California riders invest heavily in aftermarket modifications to improve performance, appearance, or comfort. However, these custom changes can also play a critical role in how a motorcycle injury claim is handled after an accident.

Understanding Aftermarket Motorcycle Modifications

Aftermarket modifications are any changes made to a motorcycle after it leaves the manufacturer. These can include changes to any of the following parts:

  • Custom exhaust systems
  • Engine tuning or turbo kits
  • Modified brakes or suspension
  • LED lighting or visibility enhancements
  • Custom handlebars or frames
  • Upgraded tires or wheels

While many modifications enhance safety and performance, others may violate California Vehicle Code regulations or void manufacturer warranties and these factors can directly influence an injury claim.

How Modifications Can Impact Liability

As motor vehicle accidents can be caused by a variety of factors and considering how California has strict motorcycle modification laws, if the modification in question is unlawful or increases the chances of getting into an accident, then these violations can potentially weaken an injury claim and increase the rider’s degree of fault. 

For example, if a headlight modification has contributed to the cause of an accident, insurers and opposing counsel may argue that the rider is partially or fully at fault for violating California Vehicle Code 25650. In addition, if a modified motorcycle that doesn’t comply with California’s safety regulations, insurance adjusters may use this to dispute or reduce a settlement, claiming the bike wasn’t legally operable.

How Modifications Affect Insurance Coverage

If you make aftermarket changes and fail to notify your insurer, your policy may not cover the cost of repairs or total losses involving those parts. Worse, the insurer might deny the entire claim, arguing that the motorcycle’s condition was misrepresented.

Riders who make significant customizations should consider custom motorcycle insurance. These policies account for aftermarket parts and often include “agreed value” coverage to ensure modifications are compensated in full after a crash. This will be crucial after an accident, because determining the value of customized motorcycles can be complex and iInsurers may undervalue or ignore the cost of non-factory parts unless the rider can provide:

  • Receipts or invoices
  • Installation documentation
  • Photos before and after the modification

How Modifications Influence Personal Injury Claims

Even when a modification doesn’t cause the accident, it can still influence how an injury case unfolds. Opposing parties might claim that the rider’s modifications made the motorcycle unsafe, or that the modifications made it difficult to determine accident causation. In any event, it is recommended to hire an experienced motorcycle accident lawyer to ensure your chances of recovering compensation for damages and to properly prove that your modified bike was safe, legal, and unrelated to the crash mechanism.

Contact Frank Penney Injury Lawyers Today

If you’ve been injured in a motorcycle accident especially if your bike has aftermarket modifications, it’s crucial to act quickly. Insurance companies often exploit technicalities to reduce or deny claims. At Frank Penney Injury Lawyers, our attorneys understand California motorcycle laws, insurance disputes, and modification-related liability. We’ll fight to protect your rights, prove fault, and secure the maximum compensation you deserve.

Call us today at 888-888-0566 or by filling out our online contact form for a free case consultation.