Evo newbies
Seasoned HDF Member
Joined: Jul 2014
Posts: 8,604
Likes: 3,375
From: Cental, MI
Originally Posted by Tee⋁17692549
Not adding anything you haven't heard already but ill add most people tend to lug their motors when taking about a Harley especially experienced riders coming from metric bikes. They're just not the same.
I like to ride at close to peak torque and under... Most big twin Harleys achieve peak torque at between 3000 and 3500....
where do you think peak torque is on a Metric sport bike???? Certainly pushing double that for some... or sounds like it anyway!!!!
Only Vibration will change... Maybe.
Last edited by Racepres; Sep 18, 2018 at 05:24 PM.
Club Member
Joined: Aug 2008
Posts: 22,861
Likes: 17,918
From: Lafayette, Louisiana
Originally Posted by Racepres
Just the opposite here... most metric riders spin the stem windin **** outa Harley...
I like to ride at close to peak torque and under... Most big twin Harleys achieve peak torque at between 3000 and 3500....
where do you think peak torque is on a Metric sport bike???? Certainly pushing double that for some... or sounds like it anyway!!!!Why???? Would you back one off??? This is in fact a Twingle... and anything applied is fine... Take it from a Guy who had a Single cylinder Sportster years ago.... COB
Only Vibration will change... Maybe.
I like to ride at close to peak torque and under... Most big twin Harleys achieve peak torque at between 3000 and 3500....
where do you think peak torque is on a Metric sport bike???? Certainly pushing double that for some... or sounds like it anyway!!!!Why???? Would you back one off??? This is in fact a Twingle... and anything applied is fine... Take it from a Guy who had a Single cylinder Sportster years ago.... COB
Only Vibration will change... Maybe.
If one cylinder is 165 psi and the other is 100 psi, it would be kind of dumb to ignore that.
What's a twingle?
I found this but that is not what an Evo is.
https://en.wikipedia.org/wiki/Split-single
Last edited by Prot; Sep 18, 2018 at 05:49 PM.
Thread Starter
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Novice
Joined: Sep 2018
Posts: 17
Likes: 0
From: Boise, ID
It is worth noting that if your concern is based on the perception that the engine is screaming, there is a somewhat unexpected cure for that.
Change the cam to an Andrew's EV27. While in there change the cam bearing.
Install a free flowing air cleaner.
Reject the carburetor.
Install a dynatek ignition module.
These changes will produce more power and it will have an easier time at the higher speeds.
Change the cam to an Andrew's EV27. While in there change the cam bearing.
Install a free flowing air cleaner.
Reject the carburetor.
Install a dynatek ignition module.
These changes will produce more power and it will have an easier time at the higher speeds.
I would never reject my carb. Thats just mean ;-)
Club Member
Joined: Aug 2008
Posts: 22,861
Likes: 17,918
From: Lafayette, Louisiana
Originally Posted by Patches513
I bought it with an Andrews EV13, free flow air cleaner and performance exhaust. Not likely to change much more in the engine. Although that is extremely tempting.
I would never reject my carb. Thats just mean ;-)
I would never reject my carb. Thats just mean ;-)
Seasoned HDF Member
Joined: Aug 2007
Posts: 8,200
Likes: 3,089
From: NW AR
As the guys say, just run it as it is and don't worry about it. Cam, cam bearing, lifters, fix/replace the carb if needed, but gearing wise, you are better off running at the higher RPM. That's where the power is. As I've said before, I once left for Sturgis, 1K miles away, and lost the speedo sender before I got out of town. Just set the tach at 4k to 4200 in 5th gear and left it there. In Sturgis, I replaced the sender and sort of realized how fast I had been going. That explained why I was passing so many....
Seasoned HDF Member
Joined: Mar 2010
Posts: 21,116
Likes: 7,639
From: Poolville
As the guys say, just run it as it is and don't worry about it. Cam, cam bearing, lifters, fix/replace the carb if needed, but gearing wise, you are better off running at the higher RPM. That's where the power is. As I've said before, I once left for Sturgis, 1K miles away, and lost the speedo sender before I got out of town. Just set the tach at 4k to 4200 in 5th gear and left it there. In Sturgis, I replaced the sender and sort of realized how fast I had been going. That explained why I was passing so many....
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