Really?

 

Exactly

 

Well... Since we know from previous discussions that Synthetic oil has a higher heat transfer coefficient, and as a result we see that synthetic oil runs at a higher operating temperature all else being equal. It follows that a hotter engine would drive that Syn oil temperature through the roof, probably to the point of failure. So I'd say, if you're running Syn in the Screaming Eagle, it would go first.

 

Imagine a dealer who tells someone who just bought a new bike, "these bikes run hot and it will affect their longevity, you need a Stage 1 kit if want a reliable bike".
That's what the consensus of this thread is saying.
Sounds like a Stage 1 should be a warranty repair.

 

HD is going to tell you what they need to tell you to get you to spend copious amounts of money; it's your choice to believe them or not. It is entirely up to the consumer to do their research before they buy their motorcycle.

 

Harley knows very well that 99% of their customers will change at least pipes ad probably 95% change the A/C as well.
If I was in their shoes I'd sell a bike to work well and last long with a Stage1 (what 99% of customers will do anyway) and maybe less well for the 1% that leave it stock.

Therefore 99% of my customers will be happy with a long lasting bike (once stage 1 done, that 99% of people do regardless) and 1% maybe a bit less as their bike has been running too hot.

So I'd prepare a Stage1 calibrated bike... and then restrict it for the sake of passing the EPA. Then the customer will do what's needed.

And my guess is that is exactly what HD does.

 

get the bike set up on the dyno, so you know its running correctly. service it as per factory manual, and use good quality oils. you cant go far wrong with that.

 

Harley does make bikes that are loaded with all the upgrades..... CVO line.
It only stands to reason that they will make bikes for the general public knowing that the owner will upgrade/mod/personalize it..... and buy the HD upgraded parts.... more $$ for Harley. Its a perfect business model.
Im actually glad they do this.... I like being able to choose how I personalize my bike.
I doubt there is anyone in my city of 1 million+ that has a bike exactly like mine.

 

Could a dealer deny a warranty claim of heat related engine damage because the owner left the bike stock? Silly question for sure but plausible.

 

both are 100,000 mile bikes if taken care of properly. Anything more than that and you are running in the black and getting bonus miles.