Options for correcting the speedo - Kawasaki KLR 650 Forum
1987 to 2007 Wrenching & Mods For maintaining, repair or modifications of Generation 1 KLR's. 2007 and earlier.

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post #1 of 15 Old 05-06-2019, 07:24 PM Thread Starter
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Options for correcting the speedo

New to the group and already loving my KLR. In the process of swapping the wheels to 17 inch rims to make a supermoto my speedo is way off now. I know that had to happen swapping a 21 inch for a 17 inch set up. What are my options, speedo healer or trail tech vapor unit? I installed a speedo healer to my Blackbird and it works great. Is there anything else that I missed and what would you recommend. Thanks Tom
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post #2 of 15 Old 05-06-2019, 08:58 PM
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The KLR speedo is cable driven so I don’t think the Speedo Healer will work.

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post #3 of 15 Old 05-07-2019, 07:28 AM Thread Starter
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Your right, didn't think about that. What is the preferred option, trail tech vapor?
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post #4 of 15 Old 05-07-2019, 03:00 PM
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Take your dash apart and print a new speedo. Laminate it. Cover the factory one.
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post #5 of 15 Old 05-10-2019, 06:02 PM Thread Starter
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Not a bad idea, but really dont have the skill to make new graphics. I really thought someone here could tell me about what they did or the trail tech vapor. For now I guess I will use my phone and mark the speeds for 40, 55, 70 mph. Thanks
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post #6 of 15 Old 05-10-2019, 07:27 PM
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The Vapor is a good option, but the tach is wonky. If you go with a Vapor let me know and I'll steer you on how to make the tach work.

Before going to a Vapor I'd look into recalibrating the stock speedometer.

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Last edited by Tom Schmitz; 05-10-2019 at 07:31 PM.
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post #7 of 15 Old 05-11-2019, 04:13 PM Thread Starter
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Tom, thanks for the info about the vapor. If anyone has any info on how to recalibrate the stock speedo I would be interested in hearing it.
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post #8 of 15 Old 05-11-2019, 06:43 PM
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Not too hard so long as you exercise care. The needle is magnetically coupled to a spinning disc on the end of the speedometer cable. What you want to do is note the speedometer reading at mid-range, say 40mph, and know what that really is based on a GPS reading. Then get the speedometer out of the housing and onto the bench. If the speedometer reading was 40mph and you know that was really 30mph, you want to move the needle down by 10mph.

To do that you need to hold the magnetic coupler at some position that you can replicate (might need to make a Sharpie mark on the couple and on some adjacent feature), remove the needle and reposition it 10mph slower.

watt-man has a write-up on this procedure. I've attached it.
Attached Files
File Type: pdf SpeedoCal red.pdf (155.5 KB, 6 views)

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post #9 of 15 Old 05-12-2019, 09:38 PM Thread Starter
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Thanks Tom for the info. Still not sure what direction I will go to address this. I think mine is off about 20 mph by 70, indicating 90 mph. Is there a limit that the dial/hockey puck can be rotated to correct a 15-20 mph error.
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post #10 of 15 Old 05-12-2019, 09:53 PM
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I rather doubt it. I believe that the magnetically coupled disc is returned, so that the needle hits a post, by a clock spring.

I suppose that if that spring became coil-bound at higher speed readings that would represent a limit. It seems like an unlikely scenario.

Tom [email protected]

“I lit a cigarette and dragged a smoking stand beside the chair. The minutes went by on tiptoe, with their fingers to their lips.” -Philip Marlowe

“'Why' and 'How' are words so important they cannot be too often used.” -Napoleon Bonaparte


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