Best source for Chain and sprockets ?

Discussion in 'Crazy-Awesome almost Dakar racers (950/990cc)' started by Dustodust, Jan 12, 2013.

  1. Dustodust

    Dustodust Long timer

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    its time for a new drive

    anyone know the best source for a DID VMX2 and sprockets ?

    google search gives only one shady result

    thanx
    #1
  2. catalina38

    catalina38 Long timer

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    I got OEM sprockets through munnracing.com and the DID ZVMX 525 chain from motorcyclesuperstore.com with a coupon code and that made it the lowest $$ I could find. I haven't had a coupon code for quite a while, maybe they stopped offering them? I kept the same 16/42 stock gearing but the 45t rear is actually cheaper then the 42t. I ordered the 120 link chain but should have ordered the 130 so I would have a section of chain after cutting it down to 118 links, for trail side repairs.
    #2
  3. TcRulz

    TcRulz Been here awhile

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    Hi, do yourself a favor and only use OEM front sprockets. I learnt the hard way as an aftermarket sprocket ate my splines:cry. Nut was torqued up right so can only assume sprocket was too hard. Now have sprocket welded on:eek1
    #3
  4. David37

    David37 Been here awhile

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    Check out Ironman sprockets they make a great product and actually guarantee their sprockets will not wear out for one year.
    #4
  5. corndog67

    corndog67 Banned

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    I use Stealth/Sidewinder/Krause Racing rears exclusively, the aluminum over steel. They last for years and years, and with the DID ZVM chain (best chain you can buy), I go years without adjusting chains, 5 tires at least on my Ducati without touching the adjusters, 2 years on my YZ450F without adjusting it, and I've got the same setup on my KTM950, been on there about 6 months or so, no adjustments at all, not even after breaking it in. And I always use stock countershaft sprockets. Its worked for me.

    The set up has probably the most expensive chain you can buy, about $215, the sprockets are fairly cheap at $80,but to me, it's worth it. No issues, long life.
    #5
  6. Hipster

    Hipster Long timer

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    DID updated the old 525 VMX2 to 525 ZVM-X, try searching again with the new p/n.
    #6
  7. MortimerSickle

    MortimerSickle Semi-Adventurer

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    + 1000
    #7
  8. Dustodust

    Dustodust Long timer

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    Good stuff
    thanks for the wisdom everyone !

    stock front sproket only for matching rockwell hardness
    possible Ironman rear
    chain superceded to zvmx

    maybe I should get new rear sprocket nuts and bolts
    #8
  9. catalina38

    catalina38 Long timer

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    OEM Rear 42t is $68, the 45t is $55 and the bolt/nut are about $4 each at Munn
    #9
  10. MortimerSickle

    MortimerSickle Semi-Adventurer

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    I have changed rears twice using the original nuts and bolts. I don't know of a reason to change nuts and bolts that do not appear to be damaged, but if someone else does, I am all ears.
    #10
  11. larryboy

    larryboy Chopper Rider

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    Ironman sprocket will come with them. :deal
    #11
  12. Dustodust

    Dustodust Long timer

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    the aftermarket industry sure sells a lot of sprocket bolt kits
    The 950 doesnt fly much but a loose sprocket bolt can be catastrophic. I have about 4 changes on mine using blue locktite
    http://www.mechanicsupport.com/stop_nut.html

    #12
  13. corndog67

    corndog67 Banned

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    My old KTM 500MX would really beat the sp rocket bolts up, they were visibly worn at at each change, and wore out the holes so there was a lot of slop. I reamed the holes to the next bigger size, and made sure every thing fit tight. A rear hub for an oldbKTM dirt bike was about $500, so I didn't want to break the ears off it, that's why some people change them out every time. My 950 uses that strange pin setup, and 2 places told me not to replace the screw that go into the pins if they are not damaged.

    If your sprocket rides directly on the screws, some do, some don't, I'd change them, they are cheap insurance.
    #13
  14. FakeName

    FakeName Wile E Coyote SuperGenius

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    Don't need to change my underwear often- I can keep using the same pair whenever I change my pants.

    (OK, the comparison breaks down- but it's was a fun thing to say)

    I always replace. The nuts are "pinched" to lock down, and once used will not provide the same grip on the bolt. Sure, one can use Loctite which will help, but I'd rather have the combinitation of the two.

    I have seen the consequences of nut/bolt failure on a sprocket, and it's worth the several dollars to me when I replace a sprocket just for that extra-special respect for things mechanical.
    #14