Interstate speed? - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 53 (permalink) Old 07-07-2014, 08:03 PM Thread Starter
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Interstate speed?

My redline on my vn750 is at 55 mph. New my bike's speedo is 10% off from my actual speed. I'm panning a 7 hour ride soon and I know the limits are posted to 70 and such speeds higher then 55. Is it detrimental to go 70 or should I stick as close as I can to my redline speed? I don't push limits with this bike in order to maintain its longevity. I use rotella t6 and change my oil every 2.5k miles.

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post #2 of 53 (permalink) Old 07-07-2014, 08:26 PM
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Originally Posted by furikazashi View Post
My redline on my vn750 is at 55 mph. New my bike's speedo is 10% off from my actual speed. I'm panning a 7 hour ride soon and I know the limits are posted to 70 and such speeds higher then 55. Is it detrimental to go 70 or should I stick as close as I can to my redline speed? I don't push limits with this bike in order to maintain its longevity. I use rotella t6 and change my oil every 2.5k miles.

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Something's wrong with your bike. Red line speed should be about 120 mph.
At 55 mph you should be turning around 4800 RPMs.
Red line is like 8,000 RPMs.

Did you try shifting into fifth gear?

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Last edited by Knifemaker; 07-07-2014 at 08:28 PM.
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post #3 of 53 (permalink) Old 07-07-2014, 08:33 PM
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Are you talking about the red mark on the speedometer??? That's for when the national speed limit was 55 and in no way is designed to limit the engine's speed. Your tach's redline is 8500 and you can cruise all day long at 5500+ rpm safely and take it up to 8500 for short bursts of fun. Many of us ride with the speedo over 75 for extended periods.

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post #4 of 53 (permalink) Old 07-07-2014, 08:56 PM
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Agree, you must be refering to the 55mph line not the tach redline. You are correct that the speedometer is a few miles per hour off. If you get the larger tires at some point, that makes the speedometer almost exact.

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post #5 of 53 (permalink) Old 07-07-2014, 09:06 PM Thread Starter
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Yeah I meant the mph. Just making sure it was safe. My rpm always seem safe :-). Bike runs great. Thanks again guys

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post #6 of 53 (permalink) Old 07-07-2014, 09:25 PM
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Yes totally safe. I rode my bike every day for 25 miles each way to work doing between 60-75 mph for close to 16,000 miles. And just this evening had it up to 105 with plenty of RPMs to go (just ran out of straight road).

In fact, my bike, with the oversized front tire, runs 70 mph at about 4700 RPMs. Plenty safe for riding all day long.

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post #7 of 53 (permalink) Old 07-07-2014, 11:24 PM
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Yes totally safe. I rode my bike every day for 25 miles each way to work doing between 60-75 mph for close to 16,000 miles. And just this evening had it up to 105 with plenty of RPMs to go (just ran out of straight road).

In fact, my bike, with the oversized front tire, runs 70 mph at about 4700 RPMs. Plenty safe for riding all day long.
You're doing better than me. My oversize tires corrected the speedometer ( same as my GPS shows). At 60 mph I'm doing 4200 rpms, at 70 I'm doing 5000 rpms. The bike will run all day at 5000 rpms with no problem.

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post #8 of 53 (permalink) Old 07-12-2014, 12:41 PM
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My tach showed exactly 4000 rpm at an indicated 60 mph. This is where It got it's best gas mileage. I usually ran it at an indicated 80 mph on AZ freeways, where the speed limit was 75 mph. That put it at an actual 75.9 mph. It was nowhere near redline. The 55 thing on the speedometer was left over from the mid '80s. Kawasaki just never changed it.

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post #9 of 53 (permalink) Old 07-17-2014, 10:55 AM
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When I had my VN750 I never even noticed the red line on our speedometers, only the one on the tach. What does that tell ya? LOL!!

I've been at 80 on the highway around 6500, 7k rpms for about an hour - in fifth of course. You're fine, she can handle it.
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post #10 of 53 (permalink) Old 07-17-2014, 11:14 AM
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sort of related, has anybody just revved the crap out of their 750 to see where it governs at?

my 800 limits at 8000, well it used to, now I put a computer in there to make that 8250 lol

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