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Thread: Years with Yamaha SXViper

  1. #71


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    IMG_4215_copy_1368x912.jpg
    IMG_4345_copy_1368x912.jpg

    Some riding pics with stock 700, everything works good. I was also riding with 780. It runs pretty good, but got some airleak somewhere. Need to check it later.
    Yamaha SXViper 2002
    2" riser
    44" stance
    Blue headlight cover
    DIY windshield
    18.9" fox floats on front end and 18.7" fox float on rear skid
    Tunnel stiffeners and protective tube

  2. #72


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    Awesome! The steering rack looks pretty cool, does the steering 'feel' the same with it (turn bars a certain amount and skis still turn the same amount as before)? Is that a motocross track in the photos?


  3. #73


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    Quote Originally Posted by Yzed608 View Post
    Awesome! The steering rack looks pretty cool, does the steering 'feel' the same with it (turn bars a certain amount and skis still turn the same amount as before)? Is that a motocross track in the photos?
    Steering feels almost same, skis won't turn as much as before mod. It is possible to modify those links and get it little faster and more angle, but i think that it is not nessessary. Stock viper skis turn a lot compared to other sleds. It is also a little lighter to turn compared to stock. I run pretty much ski pressure so it is possible to ride fast on bumby turns. I have some videos, but i need to make some edit on clips.

    Actually that place is a local small skiing hill, they made some bumbs with machines�� It is closed pretty early, because covid...
    Yamaha SXViper 2002
    2" riser
    44" stance
    Blue headlight cover
    DIY windshield
    18.9" fox floats on front end and 18.7" fox float on rear skid
    Tunnel stiffeners and protective tube

  4. #74
    Junior Member Mini
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    San Jose, CA
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    Nice photos. Were you able to solve your issue about the airleak?

  5. #75
    VIP Member A couple of bucks's Avatar
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    Ogle County Illinois USA
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    I am not for sure on this, I believe the length of a tie rod or something w/ the steering parts are different lengths when comparing a standard travel(SX) to an extended travel(XTC?) front end.
    Again ..... I'm not positive on this.
    Just some food for thought.
    Dannyboy

  6. #76
    VIP Member A couple of bucks's Avatar
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    Quote Originally Posted by sx viper View Post
    I think Hauck just call them Venom heads.
    Attachment 64880
    I take it that there is a CC difference in the domes? Or shaped differently as opposed to stock heads?
    Dannyboy

  7. #77


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    Quote Originally Posted by A couple of bucks View Post
    I take it that there is a CC difference in the domes? Or shaped differently as opposed to stock heads?
    Those head inserts are 19cc, may work with ported cylinders, but for stock 22-23cc is pretty good i think. I may build another 780 later, it depends where i can get cylinders plated for good price. Not possible here in Finland.

    Quote Originally Posted by blueagate View Post
    Nice photos. Were you able to solve your issue about the airleak?
    I found that one carbs floods. need yo figure out that later.

    Also started to do maintenance for my 700, i made a lot of new bushed to chassis with lathe from POM C bar. More suspension mods also coming to stock pro action. Stay tuned.

    Here is some clip from last winter, it was test ride for rack steering mod. 1000km in five riding days, some chassis bolts were broken when hit big bumb about 120km/h and after that there was another big bumb and front center bottoms really hard. But no problems with steering.
    In the end of video is some better footage on better weather, there you can see those trails much better. Tries to fly all the time.
    Last edited by sx viper; 10-25-2020 at 05:06 PM.
    Yamaha SXViper 2002
    2" riser
    44" stance
    Blue headlight cover
    DIY windshield
    18.9" fox floats on front end and 18.7" fox float on rear skid
    Tunnel stiffeners and protective tube

  8. #78


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    Definitely some rough sections on those trails!


  9. #79
    VIP Member A couple of bucks's Avatar
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    Jan 2009
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    Ogle County Illinois USA
    Posts
    6,366


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    1000kms in 5 days!!!! Holy sore taint!
    Dannyboy

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