TW200 Tachometer
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Thread: TW200 Tachometer

  1. #1
    Junior Member Virginian's Avatar
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    TW200 Tachometer

    I've sold off a couple of bikes and I'm looking for the right deal on a used TW. In the meantime I'm researching ideas to set the bike up the way I want. I have always enjoyed having a tachometer and was fishing about for ideas. I've seen the digital ones that are very inexpensive but was looking for something more OEM looking.

    The TW has been around since forever so the parts bins in the tuning fork factory have had pretty much the same parts since 1987. So i looked at Yamahas from the '80s.

    Here's the OEM stock gauge cluster.


    Take a look at the DT gauge cluster with a tach. An exact match in my opinion but there's a catch...


    It's cable driven off a screw drive from the motor.


    So I'm looking into converting the mechanical to electric. The signal, neutral and high beam lights should be a plug & play in

  2. #2
    Senior Member mountain yawp's Avatar
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    That would look great if you got it right, but I don't think it would be easy to convert from mechanical to electric. Let us know if it works with pics and a write up please.

  3. #3
    Senior Member YamTW87's Avatar
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    I think it has been done by a member here,but a long ago,don't remember the thread.
    A couple of years ago I saw a sale ad with a TW with a yamaha mechanical tachometer.
    It had an camshaft cover with analog rpm cable adapter.
    I searched a lot back then but couldn't find a yamaha with similar(in terms of fitting) looking cam cover.
    I also searched for digital to analog adapters/converters but couldn't find reasonably sized ones.
    Last edited by YamTW87; 01-12-2019 at 11:30 AM.

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  5. #4
    Senior Member joeband's Avatar
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    i always thought about using an xt350 gauge cluster, but not that you point it out, it looks like it to would have the same issue.
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  6. #5
    Senior Member SportsterDoc's Avatar
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    Quote Originally Posted by YamTW87 View Post
    I think it has been done by a member here,but a long ago,don't remember the thread.
    A couple of years ago I saw a sale ad with a TW with a yamaha mechanical tachometer.
    It had an camshaft cover with analog rpm cable adapter.
    I am not finding anything either.

    Coming off a cam (or crank) would require a worm drive to a cable to mechanically use the referenced tach.

    Using a cam sensor (where would it mount?) to regulate output, a servo motor could drive a cable. That is rather complex for a basic TW.

    That tach would look great, but I was pleased when speedo cables and tach cables were replaced by electric, although I much prefer analog over digital for most applications.
    jtomelliott49 and Virginian like this.
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  7. #6
    Senior Member YamTW87's Avatar
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    Won't help,but i just found the picture from the forum member installation,that I downloaded back then.(Tacho part number 1ET-83540-00-00)
    Edit: I found the thread that this pic comes from, but it seems he never made it operational.
    IMG_20170603_155125.jpg
    Last edited by YamTW87; 01-13-2019 at 10:43 AM.
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  8. #7
    Member redriderjf87's Avatar
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    That's a shame. It looks great. It would be cool if someone could reproduce that look on a digital screen too.
    jtomelliott49 likes this.
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  9. #8
    Senior Member YamTW87's Avatar
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    There are companies that do converions,like this one,but I bet it will be pretty expensive.

  10. #9
    Senior Member RaZed1's Avatar
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    I'd looked into the same thing, since the XT has a "matching" tach. But as mentioned the fact that it's a mechanical drive tach was the roadblock. I didn't care about matching the look that closely. Got a little digital Trail Tech TTO tach and just 3M tape'd it above the indicator lights. Installs in 5 minutes and while it doesn't have the factory look, it works fine. I was more curious what RPM it was running at different gearing setups, it's not a bike that you really "need" a tach for.

    I looked into if the YTM200 trike or Moto4 quads had a tach or ever offered one as an accessory since the top ends of the engine are virtually identical, and didn't turn anything up. Honda offered speedo/tach accessories for a couple of it's trike models (complete with a kit with cables and drive adapters), but it doesn't appear that Yamaha ever did this.

    Yamaha used the "square" gauges on a lot of it's small bore/dual sport bikes in the 80's and 90s, but every one I've seen pictures of is cable drive for both speed and tach.
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