Harley Davidson Engine Longevity

The renowned motor oil for Harley Davidson motorcycles is countersigned by the American Petroleum Institution.
Harley davidson engine longevity. How Long Will A Harley Davidson Engine Last. 5 Pros And Cons Of The Harley Davidson 120R Engine One of the most famous and popular motorcycles in the world of bikes are the motorcycles by Harley Davidson. For Harley-Davidson to introduce a new engine is a very big deal.
I saw a Harley Ultra advertised that had around 140000 that had never been taken apart. If you want the engine to last leave it stock Inside and add some fuel. Knucklehead Panhead Shovelhead and so on each one not just an engine but the very heart of entire generations of bikes from the most iconic motorcycle.
Its like the wear factor increases once the engine isnt stock mainly because of the way its ridden. I have heard something like 70 of all Harley-Davidson motorcycles built still are in running condition. The plastic shoes need replacing every 40000 miles because of its weak durability.
The scariest part here is that it can fail at 15000 miles and even the new hydraulic system can fail at 40000 miles or less. What is high mileage for a Harley Davidson. Triumph Is Doing What Harley-Davidson Shouldve Done Years Ago.
If you properly maintain your Harley Davidson engine theres no reason it can last for 150000 miles. Recommended years and common problems. Harley gives you a two year warrantee as Im sure you know.
Just wondering about the experiences of members on the forum. If a bike has good maintenance records no signs of damage and no oil leaks even a bike with 40000 to 50000 miles can be expected to last a long timeService. Should I get the extended warrantee before the two year expires.