NEOhio ADV & TAG!

Discussion in 'Central – From Da Nort Woods to the Plane States' started by SlipChip, Sep 11, 2007.

  1. singletracksean

    singletracksean Been here awhile

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    Good information and I hope to get out ride more and take you guys up on the offers. Love the 450 rally bike!

    Any suggestions for suspension work on a 450EXC?

    Thanks, Sean
  2. OhioPT

    OhioPT Adventure Wannabe

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    What kind of work? Rebuild? Revalve? If you haven't done it yet, you need to get the correct springs for your weight and adjust the preload/sag.
  3. singletracksean

    singletracksean Been here awhile

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    I have not set sag yet and at 198lbs without gear I believe I will be needing springs. While in there I may or may not go for a re-valve.
  4. OhioPT

    OhioPT Adventure Wannabe

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    Yes, you need stiffer springs for sure. I'm the same weight as you. You need .46kg/mm springs for the forks. The shock spring depends on the model year. The mounting points for the shock changed a few times over the years, and the newer ones can use a lighter spring compared to earlier years, because the design is more progressive.

    FWIW, a revalve will be a waste of money unless you are either an AA level rider, or if you are trying to ride MX tracks. Swapping the springs is a DIY type of job.
  5. muddyrabbit

    muddyrabbit Lost Boy

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    OhioPT is dead on. Valving is a waste until you get the springs corrects, and it's easy to do. You may be surprised how much better it is with just the right springs.
  6. singletracksean

    singletracksean Been here awhile

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    That's a good point about the springs. I've done fork seals once before on a 640 so dropping springs in should be easy. The bike is a 2009. Do the manuals recommend springs for different weights or should I just call a shop.

    Thanks, Sean
  7. OhioPT

    OhioPT Adventure Wannabe

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    Check the owner's manual for what spring rates you have, but I believe the forks are 4.4 NM/kg (~= to .45kg/mm), and the shock is 72 NM/kg. You might be fine with the stock fork springs, but you probably need a 7.8 to 8.0 kg/mm rear spring.
  8. muddyrabbit

    muddyrabbit Lost Boy

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    Racetech also has a spring calculator on their website. very handy.
  9. mgorman

    mgorman Crashing since 1964

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    BMoto54 has a 450 also, a nice plush fast bike.

    If you had bought a SX, a revalve may help in root and rock compliance. The newer XC models are more motocross than the older XC line (pre 2012 2t and 2011 4t) and they are dampened for the big hit like landing from 2 stories high. My 350 XC-F sucks in the back woods but when I over jump a double that baby is PLUSH, roll 10 feet, hit a root and the thing barely moves. If I keep it, I am revalving for the woods. If you must re-vale, stay away from the motocross companies and go to Enduro Engineering or WER (works enduro racer). WER did my XR, the best suspension I ever rode, I want my 350 to ride that nice!

    My 08 XCF-W was pretty sweet in the woods, I left it stock except the rear spring. I've yet to replace a front KTM spring on a <500cc KTM but had to get the next stiffer rear spring. I weigh 200 and my last 3 KTM's required the next bigger rear spring for me. I may have that spring in my garage. I also have a spring from the earlier model linkage bike but can't remember the rate. As long as the diameter and length work...
  10. OhioPT

    OhioPT Adventure Wannabe

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    Yeah, I agree that I'd have to get a revalve if I was going to ride a newer 4-stroke KTM XC in the woods. They are freakin' harsh. The EXCs/XC-W's are valved fine though for woods riding. They just need the correct springs to keep the suspension up in the stroke, prevent excessive fore-aft pitch, and help the bike turn like it's supposed to. If you want plush in the woods, just start with the stiffer shock spring. You need a 7.6 or 8.0 straight rate. Start with 7-8mm preload. No special tools are necessary to change the spring. It's very easy.
  11. Trapshooter

    Trapshooter Just Monkeying Around

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    Been in South Carolina almost a month now, weather has been great, 60s 70s daytime mostly, couple of days in the 50s. Tonight will be our second night it was below 32, but enough rubbing it in.:lol3

    You guys and girls have a Happy Thanksgiving.

    Dave
  12. dazz

    dazz Been here awhile

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    450 EXC. and 520 EXC.

    [​IMG]
    [​IMG]
  13. mgorman

    mgorman Crashing since 1964

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    Michigan?

    [​IMG]






    I ordered this helmet through the shop based on the past 2 helmets, even though I normally wear a small, it's too small. (has a clear lens)

    If anyone is interested in it, send me a pm or call, I'll make you a very good deal.


    [​IMG]
  14. muddyrabbit

    muddyrabbit Lost Boy

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    ...and if someone beats you to G'Man's i'll make you a deal on another one.
  15. mgorman

    mgorman Crashing since 1964

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    Meef?


    [​IMG]
  16. dazz

    dazz Been here awhile

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    Yes, cross country from White Fish Point (where the Edmond Fitzgerald went down) to Crisp Point lighthouse. Don't tell anybody! The DNR wouldn't like it.
  17. MeefZah

    MeefZah Curmudgeonly

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    Heh, awesome. This picture is actually really close to yours then, it is also on Whitefish Point within 1/2 mile of the lighthouse. From 2006.

    [​IMG]
  18. OhioPT

    OhioPT Adventure Wannabe

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    Last minute decision to ride at Mines and Meadows today. Single track was in good shape this morning , then got real muddy in the afternoon. The packed down quad trails were a bit scary.
  19. Jon

    Jon Adventurer

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  20. SlipChip

    SlipChip Adventure Commuter

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    Nice Scoot! ^