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Thread: Speedometer Confusing Questions

  1. #1
    Join Date
    Mar 2003
    Location
    Australia
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    Speedometer Confusing Questions

    Hi guys, I am very confused as to which drive gear I need for my 250es.

    I believe I need a right hand side mounted gearbox. I have found a couple on ebay but this guy is selling one and claims it is for a 250r or 350x, to me this is a left hand mounted unit which will not work on a 250r, 350x or 250es. I know that tyre sizes are all different. This one would be for early 250r or 200es etc. Am I correct?

    http://www.ebay.com/itm/Honda-250R-A...daab85&vxp=mtr

    I think this one is the one that I need, however this guy claims it is for a 200es but to me it is a right hand gearbox making it for the 250es, 250r or 350x. Am I right here?

    http://www.ebay.com/itm/1984-Honda-A...3c5fd2&vxp=mtr

    Or there is this one for the sx, which will work on the 250es but will read a tad out. I think this last one is a right hand gearbox also.

    http://www.ebay.com/itm/85-86-Honda-...4562c7&vxp=mtr

    Can someone please help me out here, am I wrong or are these guys listing things incorrectly.

    Matt
    1980 ATC 70 Needs Restoration
    1985 ATC 250es Fully Refurbed
    1986 ATC 350x Mint Original

  2. #2
    Join Date
    Nov 2003
    Location
    wales..uk
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    IMG_1112.jpgIMG_1113.jpgIMG_1114.jpgthe 250es,250r , 350x, and 250sx all use RH gearboxes its the way they are fitted that is different....
    the 250r,250sx and think 350x (can't remember which is way the 350x goes) run the gearbox with the cable going into the gearbox on top (leading axle) the 250es runs the gearbox from the bottom (trailing axle) i have attached some pics to show what i mean...the first pic is 250es the next is 250sx and the last is 250r....hope this helps
    Need Honda ATC TRX NOS restoration parts??? or come check out our ATC brochure site
    www.offroadvintage.com

  3. #3
    Join Date
    Mar 2003
    Location
    Australia
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    Thanks Pete. Sort of clarifies it a bit better. So basically a 250r, 350x and 250sx box will work on my 250es (apart from it reading out due to tyre size) ?

    Matt
    1980 ATC 70 Needs Restoration
    1985 ATC 250es Fully Refurbed
    1986 ATC 350x Mint Original

  4. #4
    Join Date
    Nov 2003
    Location
    wales..uk
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    Yes......but i'm not 100% on the 350x gearbox can't remember which way it was.....you could use the 250es gearbox as well just have to run it the way its on the BR.......and all the gearboxes have the same gearing so the tyre size makes no difference as they have a tolerance of 10% each way.....
    Need Honda ATC TRX NOS restoration parts??? or come check out our ATC brochure site
    www.offroadvintage.com

  5. #5
    Join Date
    Mar 2003
    Location
    Australia
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    Ok thanks again Pete. Do you mean the 200es gearbox could be used on the 250es, but on the opposite way?

    Matt
    1980 ATC 70 Needs Restoration
    1985 ATC 250es Fully Refurbed
    1986 ATC 350x Mint Original

  6. #6
    Join Date
    Feb 2011
    Location
    fingerlakesny
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    no a 200 gearbox spins the cable the opposite direction and speedo wont read....
    our original 85 we bought new, 2 - 86 police specials
    250r dust runner
    04 Yamaha kodiaK 450 snowbuster ! Brute Force 750 dust collector .
    Bunch of es stuff I been buying for next builds....
    Gone but lives on in my aching body the mighty 350x collection . A Beat 85 es im gonna rebuild

  7. #7
    Join Date
    Mar 2003
    Location
    Australia
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    Yep just figured that out. In gonna try one off a Honda cl250. For 40 bucks no big loss if it doesnt, surely there is something out there that will work!!
    1980 ATC 70 Needs Restoration
    1985 ATC 250es Fully Refurbed
    1986 ATC 350x Mint Original

  8. #8
    Join Date
    Feb 2011
    Location
    fingerlakesny
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    let us know how that works...now you got me thinking I 'm gonna try something....
    our original 85 we bought new, 2 - 86 police specials
    250r dust runner
    04 Yamaha kodiaK 450 snowbuster ! Brute Force 750 dust collector .
    Bunch of es stuff I been buying for next builds....
    Gone but lives on in my aching body the mighty 350x collection . A Beat 85 es im gonna rebuild

  9. #9
    Join Date
    Mar 2003
    Location
    Australia
    --
    1,918
    Yeah well I think something may come of it., it looks identical, has same axle width and uses the same cable. BTW the ct110 cable will work and only an inch or so long. I will let you know how it all comes together.

    Matt
    1980 ATC 70 Needs Restoration
    1985 ATC 250es Fully Refurbed
    1986 ATC 350x Mint Original

  10. #10
    Join Date
    Nov 2003
    Location
    wales..uk
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    1,318
    as long as the axle diameter is the same then it should work....
    Need Honda ATC TRX NOS restoration parts??? or come check out our ATC brochure site
    www.offroadvintage.com

  11. #11
    Join Date
    Mar 2003
    Location
    Australia
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    Well it didn't work, it is so close, casting has a lip on the ES one where's the cb one doesn't. They tangs on the drive gear are different also. Bummer.
    1980 ATC 70 Needs Restoration
    1985 ATC 250es Fully Refurbed
    1986 ATC 350x Mint Original

  12. #12
    Join Date
    Feb 2011
    Location
    fingerlakesny
    --
    2,835
    Was the cable long enuff ?
    our original 85 we bought new, 2 - 86 police specials
    250r dust runner
    04 Yamaha kodiaK 450 snowbuster ! Brute Force 750 dust collector .
    Bunch of es stuff I been buying for next builds....
    Gone but lives on in my aching body the mighty 350x collection . A Beat 85 es im gonna rebuild

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