Cracking the 900 throttle - Kawasaki Vulcan Forum : Vulcan Forums
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post #1 of 25 (permalink) Old 07-18-2013, 03:17 PM Thread Starter
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Arrow Cracking the 900 throttle

Mine says 130(why?) on the speedo but never been there. I occasionally will run it up to 90-100 but do not hang there very long. Iím not needing hi speed but I am curious.

Have you maxed out the speed on your 900 before? What is the fastest you've gotten on it and how long did it take to get there? Have you ever done this and almost had a disaster?
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post #2 of 25 (permalink) Old 07-18-2013, 03:34 PM
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I have been around 115 mph indicated. (Of course, legally at an unspecified location )

The overall vibration was very high and the bike wasn't super stable, I had to let go after a couple of seconds.
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post #3 of 25 (permalink) Old 07-18-2013, 03:48 PM
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post #4 of 25 (permalink) Old 07-18-2013, 04:23 PM
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had her up to about 80 to pass but quickly let her back down. vibration kills my hands, even with ISOs.

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post #5 of 25 (permalink) Old 07-18-2013, 05:33 PM
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There's more to a speedometers max speed than just the vehicles top speed. Some of it is probably marketing, I'm sure someone somewhere said the speedo should read 130 because the other guys read to 120. But another reason is needle position. If the speedo read to 85 like back in the 80's, I'd probably barely max it out, but the needle would be way over to the right, nearly buried, when cruising on the interstate. With a 130 speedo it's straight up and down!

Back in the 1980's there was some weird regulation in the US that didn't allow speedometers to read over 85. Something about insurance regulations or something? Somehow our government thought that if the speedometer didn't read over 85 then people wouldn't go any faster? Dunno, they aren't always the brightest folks. Anyway, I really like Ferrari's solution to that problem



I'd love to have a clone of a speedo like that. I dunno why I just love the 'redline' and lack of numbers. I mean TECHNICALLY it doesn't read above 85, right? I think the REAL reason was internationally the speedo read faster, but they just slapped a different face on the same speedo for here. Like on my '85 Mercury Cougar I had, which had a digital speedometer. There's a switch on the speedometer itself (you have to take the dash apart to get to it) which switches it from reading 0-85, to reading 0-199. That way the manufacturer just 'flips a switch' based on where it ships!

Of course, the regulation only applied to 'miles per hour', so the easier solution would be just to press the button that switches the speedo to km/h. It would read much higher! Faster I got it was 170km/h, about 105mph.

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post #6 of 25 (permalink) Old 07-18-2013, 06:27 PM
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I opened up my 900 LT last year. According to the GPS I hit 98.7mph. Indicated speed was 107-109. I felt there was a little more, maybe 0.5 mph, but was coming up to a known speed trap area so I backed off. This was in it's mostly stock configuration before the BW and trunk. I have no intake or exhaust or power commander work, that is 100% stock. Unfortunately I reset the trip data and never took a picture, maybe I'll try again someday with this new configuration.
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post #7 of 25 (permalink) Old 07-19-2013, 12:43 AM
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Quote:
Originally Posted by Daboo311 View Post
M

Have you maxed out the speed on your 900 before? What is the fastest you've gotten on it and how long did it take to get there? Have you ever done this and almost had a disaster?
I've had my Classic over 105 before, keeping up with a bunch of much bigger bikes, and routinely have it over 90.

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post #8 of 25 (permalink) Old 07-19-2013, 01:43 AM
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I have a 900 custom and I am a big guy. I been up to 105 according to my GPS but that's about all she had.
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post #9 of 25 (permalink) Old 07-19-2013, 04:46 AM
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Originally Posted by Daboo311 View Post
Mine says 130(why?) on the speedo
It just keeps the needle in a convenient spot in front of your eyes on average. If the gauge stopped at say 100, then the needle would spend a lot of time towards the right of the speedo.

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post #10 of 25 (permalink) Old 07-19-2013, 08:00 AM
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It just keeps the needle in a convenient spot in front of your eyes on average. If the gauge stopped at say 100, then the needle would spend a lot of time towards the right of the speedo.
And this is why I would quickly be replacing the stock speedo with an aftermarket digital display, if I knew a quality one existed. I spend most of my commutes in the 60-70 indicated range. This puts the needle right over the clock/odo display. To me it's annouying and distracting. But that may just be me.
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