Replacing chain, rear sprocket -D.ID. x-ring, 47 and tooth
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  1. #1
    Senior Member Drapes's Avatar
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    I've ordered a 14 tooth front, 47 and 50 tooth rear and a D.I.D. X-ring chain



    forgot to get the seals, so im ordering those today



    just wondering if its harmful to run a new chain on an 'old' front sprocket (5400km, stock) for a few hundred km's as i wait for the other parts to arrive?



    also, would anyone recommend a 15 tooth in the front? i weigh about 150 pounds soaking wet and often carry loads on the cyclerack.. does the 15 tooth provide more "kick"?
    1989 Tw200
    1991 Tw200
    2008 WR250R
    2004 Ford Ranger FXR Lvl II

  2. #2
    Senior Member small's's Avatar
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    I would either do the 15/50 or 14/47. Its probably easier to switch out the rear sprocket so i would stay with the 14 on front. If your at low elevation you might be ok with the 15/47 i wouldnt like it in the woods as much.

  3. #3
    Senior Member Drapes's Avatar
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    Quote Originally Posted by Small's View Post
    I would either do the 15/50 or 14/47. Its probably easier to switch out the rear sprocket so i would stay with the 14 on front. If your at low elevation you might be ok with the 15/47 i wouldnt like it in the woods as much.


    oops!

    forgot to mention im doing the dual sprocket mod, so if i could get a suggestion/opinion on the best front sprocket with that in mind- for someone my size?
    1989 Tw200
    1991 Tw200
    2008 WR250R
    2004 Ford Ranger FXR Lvl II

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  5. #4
    Member sea bass's Avatar
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    If you don't mind where did you get the seals from ? And what seals do I need to do the same thing your doing ?

  6. #5
    Senior Member Drapes's Avatar
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    Quote Originally Posted by hardy View Post
    If you don't mind where did you get the seals from ? And what seals do I need to do the same thing your doing ?


    i was going to order my seals through the local motorcycle co-op, membership discount and hassle free shipping makes up for the difference in online pricing.. you would have success ordering through a local yamaha dealership, the seals should be cheap as borscht



    you need a crankcase seal and a crankshaft? seal



    if someone could clarify that it would be appreciated, as i havent ordered mine yet either heheheeh
    1989 Tw200
    1991 Tw200
    2008 WR250R
    2004 Ford Ranger FXR Lvl II

  7. #6
    Senior Member Ayers Garage's Avatar
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    You need a case side cover gasket and the two seals on the sprocket shaft. One goes inboard in the engine case and the other goes outside of the sprocket in the side cover.



    Gasket part number 3AW-15451-00-00

    Inner seal part number 93102-22389-00

    Outer seal part number 93102-17187-00

  8. #7
    Member sea bass's Avatar
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    Thanks much appreciated :-)

  9. #8
    Senior Member tw200sgp's Avatar
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    You don't actually need to change the seals unless you have a leak IMHO.

  10. #9
    Senior Member Rainman's Avatar
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    Quote Originally Posted by tw200sgp View Post
    You don't actually need to change the seals unless you have a leak IMHO.


    I agree. But its nice to have a new engine cover on hand just in case the old one rips.
    If you can't find it, grind it

    1990 TW200

  11. #10
    Senior Member Gerry's Avatar
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    A couple of days ago, I had the side case off on the primary side and decided to take a look at the bearing and outboard seal. I could not get those Phillips screws to budge. Since I was not having any problems with oil leaking, I decided to pass on what had the potential to be a real hassle. Perhaps an impact driver would be needed. Anyone actually pull that outboard seal? How did you deal with those screws. Thanks. Gerry
    Take care my Friend.........

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