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Thread: 1987 ATC 330R Build.

  1. #16
    Join Date
    Feb 2014
    Location
    Victoria,Australia
    --
    878
    Nice work t's gonna look great when its done!
    as a teen (a little younger than you) I understand how hard it is especially cause i'm in OZ and everything is basically double the price
    73 atc 70
    84 ytm 200ern
    79 atc 70
    ytm 225 dr
    atc 90
    80 atc 110
    klt 250A
    84 atc 200es
    85 atc 250es

    gone but not forgotten restored 82 atc 70

  2. #17
    Join Date
    Jul 2014
    Location
    Lloydminster, Alberta
    --
    503
    Hatc gonna bring that thing to TF?
    Mixing gas and haulin' ass


    1984 ATC 70 x2
    1985 ATC 250R-Ported/Polished, PWK 39mm, V-force 3's, Outerwears air box lid, FMF fatty with DG silencer, DWT wheels, LSR +4 axle, all black plastics
    1985 ATC 250R-stock

  3. #18
    Join Date
    Oct 2012
    Location
    WI
    --
    499
    Haha, I'd love to man but I am going to the St Anthony Sand dunes that week and weekend. Thats what this trike is being built for!! The Sand! Otherwise I would if it wasn't the same weekend.
    1983 ATC 200x
    1982 ATC 250R X2
    1983 ATC 250R : Future build
    1985 ATC 250R : Main rider
    1985 ATC 363R Duner
    1985 ATC 250R X2 : Future build
    1986 ATC 250ES

  4. #19
    Join Date
    May 2003
    Location
    Houston, Texas
    --
    2,409
    Man this is going to be GOOD!!! One suggestion...

    I always felt the '87 would look better with a RED SEAT...but either way your trike is going to ROCK

    SEND ME PM HERE - CLICK HERE

    1986 ATC 250r, 1986 Tri Z, 1990 LT 500R "Quadzilla"


    Dirtbikes:

    1994 KTM 550 MXC (yes its a two stroke...66 hp stock!)
    1988 Yamaha DT

  5. #20
    Join Date
    Dec 2013
    Location
    small town Saskatchewan, Canada
    --
    59
    Well done man kick ass build your off to a great start I'm sure the 330 will be a handful lolol.

  6. #21
    Join Date
    May 2010
    Location
    Ripon, Wisconsin, United States
    --
    861
    Your decals you have ordered will surely set it apart.
    ]1986 ATC 330R
    1985 ATC 250R vintage PSI racing ported motor
    Get your replacement ATC 250R decals and custom Big Bore #'s here http://shop.3wheelerworld.com/catego...=2&pagegroup=1

  7. #22
    Join Date
    Jan 2014
    Location
    Massachusetts USA
    --
    783
    You're doing an awesome job, keep up the good work! I wish I had that kind of motivation when I was your age! Very impressive.
    1985 Tri-Z 250
    1985 ATC250R

  8. #23
    Join Date
    Oct 2012
    Location
    WI
    --
    499
    Haven't updated this in a while. Here's my recent progress. I know I am running the 87 scheme, but I am not running any blue, just beware of that.


    1983 ATC 200x
    1982 ATC 250R X2
    1983 ATC 250R : Future build
    1985 ATC 250R : Main rider
    1985 ATC 363R Duner
    1985 ATC 250R X2 : Future build
    1986 ATC 250ES

  9. #24
    Join Date
    Oct 2012
    Location
    WI
    --
    499
    1983 ATC 200x
    1982 ATC 250R X2
    1983 ATC 250R : Future build
    1985 ATC 250R : Main rider
    1985 ATC 363R Duner
    1985 ATC 250R X2 : Future build
    1986 ATC 250ES

  10. #25
    Join Date
    Jul 2014
    Location
    Lloydminster, Alberta
    --
    503
    she's turning out to be too nice to ride!
    Mixing gas and haulin' ass


    1984 ATC 70 x2
    1985 ATC 250R-Ported/Polished, PWK 39mm, V-force 3's, Outerwears air box lid, FMF fatty with DG silencer, DWT wheels, LSR +4 axle, all black plastics
    1985 ATC 250R-stock

  11. #26
    Join Date
    Oct 2012
    Location
    WI
    --
    499
    Quote Originally Posted by Samjp22 View Post
    she's turning out to be too nice to ride!
    Screw that!! She's going to be ridden hard!!
    1983 ATC 200x
    1982 ATC 250R X2
    1983 ATC 250R : Future build
    1985 ATC 250R : Main rider
    1985 ATC 363R Duner
    1985 ATC 250R X2 : Future build
    1986 ATC 250ES

  12. #27
    Join Date
    Aug 2008
    Location
    devore,ca
    --
    1,015
    Maybe I missed it in the thread, but what version of the 330 are you using? . The bolt on or the machined case one? . ATC bottom end or the TRX bottom? . Depending on witch way you went, I may be able to steer you around some of the "small" problems with the ESR 330.
    YAMAHA 450 HYBRID
    85 350X- RED
    85 350x -BLACK
    86 350x-WHITE (with Goki)
    85 250r
    83 atc 70
    84 atc 70
    84 atc 110
    09 yfz 450
    2006 Arctic Cat Prowler
    RZR XP 900

  13. #28
    Join Date
    Oct 2012
    Location
    WI
    --
    499
    Quote Originally Posted by BOB MARLIN View Post
    Maybe I missed it in the thread, but what version of the 330 are you using? . The bolt on or the machined case one? . ATC bottom end or the TRX bottom? . Depending on witch way you went, I may be able to steer you around some of the "small" problems with the ESR 330.
    I am running the Non bolt on. The 4mm stroker crankshaft. Machined case, and its an 86 ATC bottom end.
    1983 ATC 200x
    1982 ATC 250R X2
    1983 ATC 250R : Future build
    1985 ATC 250R : Main rider
    1985 ATC 363R Duner
    1985 ATC 250R X2 : Future build
    1986 ATC 250ES

  14. #29
    Join Date
    Aug 2008
    Location
    devore,ca
    --
    1,015
    Non bolt on is good. ATC bottom is good also. I'm running a TRX long rod bottom and it creates fitment issues, so your good there. You didn't say it was a power valve, so I assume its not. Unless ESR has changed their casting, they use the same cylinder for the power valve and non power valve applications. They just don't machine out the material around the exhaust port around the non power valve style, leaving poor cooling in that area because there is no coolant getting there. They run fine in the quads where there is a lot of room for air to get around the engine, but in the ATC it is a very tight fit and they run VERY hot!. I strongly recommend you run a temp guage. Not the ESR type ,they are useless. Get the digital one from Trail tec that you can clamp to the bars they are only 10 bucks more. Your rads have to be in top shape and you might have to run strait water or engine ice just to keep your temp down below 220 deg. Race gas, fat jetting, aftermarket over size rads also help , but just a little.
    YAMAHA 450 HYBRID
    85 350X- RED
    85 350x -BLACK
    86 350x-WHITE (with Goki)
    85 250r
    83 atc 70
    84 atc 70
    84 atc 110
    09 yfz 450
    2006 Arctic Cat Prowler
    RZR XP 900

  15. #30
    Join Date
    Feb 2010
    Location
    Blossvale NY
    --
    4,567
    ^^^good advice!!^^^

    Saw your pics on FB last night Jonathan... You're doing a TERRIFIC job!!! Nicer than mine!


    Just want to warn you so you can address it before you get too far along adding components for assembly: Being that you are running a stroker and no doubt a cylinder spacer, you are liable to have some tight clearance for your sparkplug and more importantly getting the coil wire connected to it. Make sure you check that out and address it before you get tank and rads mounted. It will just be easier to deal with now rather than later. You might have to run a shorty plug. Myself, I was able to get away with just a compact spark plug boot like you might find on a chainsaw or weedeater. I'm running a stock stroke 350 so no spacer for me. Thats about the only thing that gives me hesitation about a stroker....
    Last edited by RIDE-RED 250r; 01-10-2015 at 10:56 AM.
    Trikes:
    '85 ATC 350R
    '85 ATC 250R
    '86 ATC 350X
    '85 ATC 350X
    '84 ATC 200ES Big Red
    '84 ATC 125M
    '85 ATC 110
    '85 ATC 70/110

    If you have bought from me or sold to me, please leave me feedback here>>> http://www.3wheelerworld.com/showthr...+RIDE-RED+250r

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