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post #1 of 17 (permalink) Old 12-01-2015, 08:25 AM Thread Starter
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Question RPM range

What RPM range does everybody run in? I'm guessing that whatever cam your running would dictate the RPM range you run in. I know this is probably a strange question but I'm looking at motor upgrades and possibly changing my existing cams. Just trying to do some research Thanks
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post #2 of 17 (permalink) Old 12-01-2015, 09:12 AM
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Highway speeds, 2500-4000


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post #3 of 17 (permalink) Old 12-01-2015, 09:41 AM
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Interesting topic. I recently was reading about this, as I've always just did what the bike felt, but started seeing articles about how Harley's have issues due to most rider lugging the engine and running it too low. I assumed this was lower than what I ran, but started researching, and I tend to run around 2,500 RPM. The articles I read were telling me to run at 3,000 RPM, up to 4,000, as you're still no where near redline, and the power is much better.

I tried all of that, and while the bike certainly runs smoother, it FEELS like it's running too high. I've since given up and gone back to what feels right, and if something breaks, I'll just have to replace it.

Interested in what other people have to say.

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post #4 of 17 (permalink) Old 12-01-2015, 09:58 AM
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highway cruise 2800-3500- at those rpms 3000 roughly 80 mph generally average speed for atlanta area lol, im using 551 ss cams around 3000 good cruising fuel mpg decent and if i need crack throttle get around it jump right up 90 or more no problem still has some pull left even at those speeds,
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post #5 of 17 (permalink) Old 12-01-2015, 10:01 AM
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I run above 3000 rpms all day long... the bike is like a different animal. More responsive and snappy when you flick the throttle. I run 80-85mph on the freeways out here as well... so I'm right there at 3200rpms. IMHO.. the 2000-3000 range is quite sluggish for me and my riding style.

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post #6 of 17 (permalink) Old 12-01-2015, 10:27 AM
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I'm always at 2800. Right there near the 3k sweet spot when I need it... Stock cams.

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post #7 of 17 (permalink) Old 12-01-2015, 10:30 AM
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HD been saying that for years because their underpowered engines respond better and seem more powerful at higher rpm so the customer will be happier if he keeps the rpm's higher.
Basically it depends on the cams, there are cams that are designed to produce power in different rpm ranges.
Some high performance racing cams don't really produce good power until the engine hit 3000 rpms and above.
There are low end/mid range power cams that produce good power at lower rpms such as 2400 rpm and above.
In most cases the low end/mid range cam is the best for the heavier touring model HD since the normal cruising range would be between 2500 and 3300 rpm and the only time you would be hitting higher rpms would be when accelerating up to cruising speed.


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post #8 of 17 (permalink) Old 12-01-2015, 10:41 AM
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In my earlier youth, in Dixieland, I was pulled over on a long stretch of sand pines, as the Officer approached I was looking down trying to get my wet glove off, he said "you running off the tact" i's says "yes" then he told me i's going 10 over and wanted to let me know

With the RG having a tact and as she's getting older
She run stronger in the 25 to 3 range to shift till 5th, and she'll let you know (dmass) there's no six.

Lugging on fatheads with a delay in FI will ping(when demanded) on the best of tune on my RG at least
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post #9 of 17 (permalink) Old 12-01-2015, 10:45 AM
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24,000 + Miles on my 2015 RGS and I run from 3,000 to 4,000 RPM's and bike is strong as ever. Zero issues.
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post #10 of 17 (permalink) Old 12-01-2015, 11:39 AM
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03 88 5 speed 2800 to 4000

05 CVO103 5 speed 2800 to 4000

15 CVO 110 6 speed 2600 to 4000

I pretty much stay at 8mph over posted.

Seems they all like 4000 to 5000 though....
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