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Thread: Building a old school 350x TT racer.

  1. #31
    Join Date
    Jan 2008
    Location
    nc
    --
    734
    What is your plan for lowering the rear?

  2. #32
    Join Date
    Jan 2009
    Location
    Hyndman PA
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    1,905
    Quote Originally Posted by devilman View Post
    What is your plan for lowering the rear?

    We have a works shock and I'm going to put a zero pre load spring on it so I can back the spring off as much as I want and the clip won't come off, it will always have pressure on it. It also has a 2 inch longer Cal-Fab swing arm.

  3. #33
    Join Date
    Jan 2009
    Location
    Hyndman PA
    --
    1,905
    Two things that will keep you from winning races. One you push the shift lever under the case with your foot so you can't shift. The fix is to weld a washer on the top so it won't go under the case, simple fix. Next your seat falls off. It's real easy when racing for your seat latch to move around and un-latch it's self. I seen this at the first 3 wheeler race at Bedford proving grounds I went to last year. The racer was gaining on the leader and his seat popped off. Try riding the last few laps of MX with out a seat! Simple fix, two long bolts stuck down through the seat nubs and welded on to extend down below the rubber seat grommet with two wing nuts drilled to hold a spring and it won't happen again.

    Click image for larger version. 

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  4. #34
    Join Date
    Jun 2004
    Location
    Oregon
    --
    1,784
    Quote Originally Posted by Mickey Dunlap View Post
    Two things that will keep you from winning races. One you push the shift lever under the case with your foot so you can't shift. The fix is to weld a washer on the top so it won't go under the case, simple fix. Next your seat falls off. It's real easy when racing for your seat latch to move around and un-latch it's self. I seen this at the first 3 wheeler race at Bedford proving grounds I went to last year. The racer was gaining on the leader and his seat popped off. Try riding the last few laps of MX with out a seat! Simple fix, two long bolts stuck down through the seat nubs and welded on to extend down below the rubber seat grommet with two wing nuts drilled to hold a spring and it won't happen again.

    Click image for larger version. 

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    Heck. Mines fallen off at the dunes many times lol!
    1986 ATC 250R
    Ported w/ Cool head
    LED pipe and silencer.
    Vforce3
    Keihin PWK 38mm
    Works Ultra Cross Shock
    LSR +2 Axle
    American Star Racing +4 Swinger
    LED Intake
    Hi-Flite desert seat
    OEM clutch 89 upgrade
    2021 YFZ450Rse Rossier R5 Titanium Header AIS Delete FCI Vortex ECU


  5. #35
    Join Date
    Feb 2011
    Location
    Surprise, AZ
    --
    2,428
    Quote Originally Posted by Mickey Dunlap View Post
    Two things that will keep you from winning races. One you push the shift lever under the case with your foot so you can't shift. The fix is to weld a washer on the top so it won't go under the case, simple fix. Next your seat falls off. It's real easy when racing for your seat latch to move around and un-latch it's self. I seen this at the first 3 wheeler race at Bedford proving grounds I went to last year. The racer was gaining on the leader and his seat popped off. Try riding the last few laps of MX with out a seat! Simple fix, two long bolts stuck down through the seat nubs and welded on to extend down below the rubber seat grommet with two wing nuts drilled to hold a spring and it won't happen again.

    Click image for larger version. 

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    Mickey, what did use use for the washer....it looks familiar.
    Email- onformula1@hotmail.com Rebuilt, Revalved, custom springs, lowering, forks & shocks, Custom Suspension, all brands, 2-3-4 wheeler's- PM or Email with questions.

    ***Check out my album for cool pictures*** http://www.3wheelerworld.com/album.php?albumid=2527

    As always- Everything I post is IMHO.

  6. #36
    Join Date
    Jan 2009
    Location
    Hyndman PA
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    1,905
    Quote Originally Posted by onformula1 View Post
    Mickey, what did use use for the washer....it looks familiar.
    I think it was a stock Mojave 250 axle washer to hold on their rubber hub cap if you will.

  7. #37
    Join Date
    Jan 2009
    Location
    Hyndman PA
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    1,905
    Piston's are done!

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  8. #38
    xrider is offline Got The Holeshot Arm chair racerJust too addicted
    Join Date
    Oct 2006
    Location
    Wapakoneta
    --
    815
    Better buy one d*** good decompression cable. My 425 is a pain to kick over, and I'm nowhere near that high of compression.

  9. #39
    Join Date
    Jan 2009
    Location
    Hyndman PA
    --
    1,905
    Quote Originally Posted by xrider View Post
    Better buy one d*** good decompression cable. My 425 is a pain to kick over, and I'm nowhere near that high of compression.
    I have built 13:1 530's and as long as you understand how to kick them they start easy, but every once in a while they will bite you!

  10. #40
    xrider is offline Got The Holeshot Arm chair racerJust too addicted
    Join Date
    Oct 2006
    Location
    Wapakoneta
    --
    815
    Yeah as long as you let the kick start roll completely back off the decompression than it is a breeze.

  11. #41
    Join Date
    Oct 2014
    Location
    NEBRASKA,USA
    --
    104
    Is there an update on this? And do u still make the fiberglass rear fenders for the 350x or the 250r?

  12. #42
    Join Date
    Jun 2008
    Location
    Lewiston, N.Y.
    --
    1,479
    Thanks for the update Mickey! Any more pix to tease us with?!

  13. #43
    Join Date
    Jan 2009
    Location
    Hyndman PA
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    1,905
    Well it took 30 years to build the first 350x short coarse gas tank nick name the 350rx tank.

    In the old day you went into the first corner wide open and pitched in, but just because I built it, will he use it? The question is, will "Ditch Pitch it" !!!!!!!!?

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  14. #44
    Join Date
    May 2010
    Location
    Wichita, Kansas
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    1,361
    I'm not to late am I?
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    I love where this is going, just read through the last few pages.

    I've never owned a 350x, but let me through some ideas out there. <-- makes me sound credible right? :-D

    As for weight reduction, has anyone attempted an aluminum frame? I know Yamaha switched some dirt bikes over in recent years. With the correct engineering, i don't see it being to much of a problem. There would be some inherent flexing I'm sure.

    Aftermarket swing arms for other machines have been tubular, they look like they would weigh less.

    Everything else i'm thinking off wouldn't contribute much weight individually, but may add up. The list is to large to start and I'm sure it doesn't need to be stated.
    I just wanna go fast. If your not first, your last!!
    Reproducing the Tecate CDI. Contact me if you need one. I'm most accessible on FaceBook. You can find me on the 1984-1987 Kawasaki Tecate KXT250 Group.

  15. #45
    Join Date
    Jan 2015
    Location
    LaGrange, OH
    --
    253
    That's the coolest 350 tank I've ever seen! Can't wait to see the bike together! Good work as usual Mickey!

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