There are two types of liners: OEM (factory-installed) and Aftermarket (owner-installed). OEM liners generally last until the end of the manufacturer's warranty, then corrosion, accelerated by the ethanol, creeps under the liner and takes its toll. Aftermarket liners fail because most brands weren't made for long-term storage of ethanol, and the level of preparation required is simply not within the scope of a DIY project. The process to remove OEM and Aftermarket liners differ and are described below.
OEM Liner Removal - Harley-Davidson has lined
their tanks since the mid 90’s, while BMW has lined
theirs for decades. They are similar in nature and
we easily remove them without affecting the paint,
as long as the tank and its paint are in sound
condition. This ultimately saves you from having to
replace and/or repaint your gas tank and it’s only
Aftermarket Liner Removal -
Please Note - The liner removal process applies to steel tanks only.
“Thanks for taking great care 100th Anniversary Fatboy, GTL rocks” Bill - Harley Owner