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Thread: ATC 200s cam upgrade?

  1. #1
    squirrel1182 is offline At The Back Of The Pack Arm chair racerAt the back of the pack
    Join Date
    Mar 2010
    Location
    Derry, Pennsylvania
    --
    253

    ATC 200s cam upgrade?

    Is there any cheap bolt in cam for a 200s? My buddie has one and he wants more power to haul his fat @ss. Does the xr 200 cam bolt in? or 200x cam?
    1983 KLT 200 C
    1978? YZ 125
    1978 Panther 5000
    1939 Farmall A, 51st farmall A ever produced.
    1946 International A Industrial
    1973 Ford F100

  2. #2
    dz is offline At The Back Of The Pack Arm chair racerFirst time rider
    Join Date
    Feb 2003
    Location
    Langhorne, Pa.
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    215
    There is a slightly more powerful cam on ebay for the 200's. http://cgi.ebay.com/ebaymotors/ws/eB...#ht_500wt_1182
    If it aint old I dont want it!

    My feedback thread:
    http://www.3wheelerworld.com/showthr...EEDBACK-FOR-dz

    Current rides:

    Street:
    1989 Yamaha Venture Royale 1300

    Trikes:
    1979 Honda ATC110 sitting winterized

  3. #3
    Join Date
    Jun 2010
    Location
    Idaho Falls
    --
    86
    The xr200 cam bolts right in and can be had for cheap. I got my xr200 cam for $15 shipped. If you are going for true budget go that route. A xr200 cam with no other upgrades will move your powerband to the right more than any other real benefit. This will give you a feeling of a more "awake" setup as it approaches top end it wont go limp as much as it used to. But if you team it with a hi-flo filter, exhuast (DG RCM or something similar), 10.25 piston, and properly jetted carb, you'll have a quick little auto 200.

    Worth the $15? You betcha! HUGE difference? Meh, not really. What is your buddies budget?
    $15: Cam
    $60: Cam, 200x Carb, Filter
    $175: Cam, Carb, Filter, Exhaust (at this point I'd personally stop, unless he REALLY loves his hardtail)
    $350: Cam, Carb, Filter, Exhaust, 10.25 Piston, top end gaskets, minor porting of head (now he's faster than a 200x, unless there are bumps.. ) : )
    Last edited by UI Vandal; 07-23-2010 at 10:22 AM.
    Now:
    84 200s
    -Current Mods: EBay 200x carb, No-Toil Filter, xr200 cam, 200x piston
    85 250SX
    86 200s
    04 KTM 300 EXC (mine)
    95 KDX 200 (wifes)

    Then:
    82 Honda ATC 110
    85 200x K&N Filter, DG exhaust, Re-Jetted, EBC Racing Clutch
    87 TRX250X
    88 Honda NX250
    99 TRX 400 EX 440 Big Bore, Stage 2 Cam, Exhaust

  4. #4
    squirrel1182 is offline At The Back Of The Pack Arm chair racerAt the back of the pack
    Join Date
    Mar 2010
    Location
    Derry, Pennsylvania
    --
    253
    i forgot to add that he has a cobra exhaust on it. His budgets cheap. lol. he has too many "projects" going on. (79 cj7, 66 f350, atc 200m, atc 200, 1974 gmc 7500) Im the one that wants to get more performance out of his trike since when mines down i barrow it alot.
    1983 KLT 200 C
    1978? YZ 125
    1978 Panther 5000
    1939 Farmall A, 51st farmall A ever produced.
    1946 International A Industrial
    1973 Ford F100

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