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999r next steps

Discussion in '749 / 999' started by Nathanhu, Oct 22, 2013.

  1. 55 profile rear tyre
    lithium battery (over 6 pound lighter)
    BST wheels
     
  2. If you do the linkage, you'll need a linear shock to go with it. Nice bike!
     

  3. Hello.............and its the ratio that is linear, not the shock.....although as I've stated the shock is different!
     
    #23 andyb, Oct 28, 2013
    Last edited: Oct 28, 2013
  4. Cheers for all the info,

    I have found a set of carbon Dymags with discs for a few bob, just looking at making the deal now.
    On my last 999 I used a modified 996/8 throttle assembly but with only one cable, and I was always a little concerned so I'm going to try the Yamaha mod asp.
     
  5. yamaha mod is good value mate and ive run it on a previous 999 with no issues it reduces the degree of turn zero to hero by around 20 degrees......
     

  6. Yeah, cos it has linear valving...
     
  7. Fight....fight....fight...!!

    andyb v JerryXT!
     
  8. how much were yhe carbon dymags
     
  9. no, it has valving adjusted accordingly..........nothing linear about it.........you might get away with talking about a linear spring but thats it............its the rocker ratio that is linear.........and actually its 'more linear' as you cant get true linear........stick to banking computers:wink:
     
  10. 1600 including discs at the moment but I haven't gone firm on it..
    Sat in the Middle East for a few weeks so it can wait until I get back :)
     
  11. Andy, the message from your original post was that only the rocker needs to be different in order to provide a linear rate rear suspension. It's not that simple. The spring and the valving are different. Maybe in the 999r superstock world, that's enough, but the WSS needs the correct linkage AND the correct shock, which has a different valve.

    Re the spring: it's radically different for linear and rising rate. Not so much in terms of compression speed, but more in terms of weight. For the little R, it's a 120 kg spring for a rider of 75kg - my weight. On an S, which uses a shock that looks the same but has a different part number (there's a clue that it's different internally) the spring is 80 kg (from memory).

    It is possible to play with rising rate and linear linkages to help the tyre at maximum lean and that's what BSB and WSB teams were doing this year. In fact, they were using decreasing rate linkages too. But not just with one shock: the number they had for testing was startling. Because it's not possible to change the internal valving at the track. If it was just the spring that needed to be changed, they would have used one or two shocks with an array of springs and swapped them out inside the pits or the truck.

    But we've had this discussion before - please just talk to someone with more knowlege than me to get an accurate picture. But remember that I've been in this position before - putting rising rate shocks into linear rate bikes. And I've always changed the valving to suit.
     
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