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Thread: 200X Horse Power?

  1. 04-12-2005, 10:00 AM #16
    rustbucket
    rustbucket is offline At The Back Of The Pack Arm chair racerFirst time rider
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    Seems like honda was kinda slow in the horse power market 18hp or less from a 200cc. Thats why I have two strokes, More power my bike stock at 183cc has a17.5 hp bore it and pipe it with a carb. I'm around 25-27hp
    1980 trimoto 125 mods include a ripped seat broke fender and bent handle bars
    1981 trimoto 125
    1971 suzuki ts 185 it will spank a 200x
    1966 gmc 3/4 ton
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  2. 04-12-2005, 02:27 PM #17
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    Jason T
    Jason T is offline At The Back Of The Pack Arm chair racerAt the back of the pack
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    Sorry wickedfinger, Didn't realise you meant at the wheels power, I assume mine from the manuals are the flywheel horsepower
    But, the 110 power in the honda manual is 6.5 hp Anyway, I think we can agree the 110 is no power house LOL

    Jason T
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  3. 04-12-2005, 05:27 PM #18
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    Wickedfinger
    Wickedfinger is offline Power User Teaching quads a lesson
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    Quote Originally Posted by Jason T
    Sorry wickedfinger, Didn't realise you meant at the wheels power, I assume mine from the manuals are the flywheel horsepower
    But, the 110 power in the honda manual is 6.5 hp Anyway, I think we can agree the 110 is no power house LOL

    Jason T
    .... hey, I find it way more interesting to see what your UK manuals actually say to be honest with you. I'm just going on what I've read - I know the first ad's that came out for the ATC90 had it listed at 7hp. After that, they Honda somwhat sheepishly, listed the ATC110's powers as "One more than our 90 motor". Its actually hard to find ratings for any of the hardtail trike's.
    J. Jonny D, --- Quad - Trike relations committee Chairman and all around swell guy.

    Rides: '91 Warrior, '87 TW200, 1984 YTM225DX, 1984 ATC125M, '71 CL350 Scrambler
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  4. 04-12-2005, 06:15 PM #19
    83185s
    83185s is offline Power User Roostin Away
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    how much hp do you think a 83-85 200x has with a 12:1 wiseco 67mm piston?? also jetted and a dg krome power exhaust?..new titanium valve springs.....lol that is my friends..mine is stock...im not complainin tho
    trikes owned:
    85' 200m - sold
    84' 200x - sold
    83' 185s - sold
    82' 185s - sold
    85' 350x !!! - selling
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  5. 04-13-2005, 04:20 PM #20
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    Jason T
    Jason T is offline At The Back Of The Pack Arm chair racerAt the back of the pack
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    We've got quite a few manuals, if theres any other figures you want to know just ask Not sure about that modified 200x though.

    Jason T
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  6. 04-16-2005, 07:15 PM #21
    HaggLE
    HaggLE is offline At The Back Of The Pack Arm chair racerAt the back of the pack
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    Quote Originally Posted by short4stuff
    Umm what are the specs on the motor!! ?!?! .. is it like a xl185 engine?
    its actually a 6 speed xr200 motor with a 200x cylinder. it has an aussie aftermarket cam, sleeved back to fit a crf150 pistion, lightened crank, shaved head to have 12.5:1 compression, 36mm pumper race carb, oil cooler, hand made megaphone exhaust and the ports have been made larger.

    here are some pics of it but it has a different exhaust in close up pics. The overall pic has a megaphone with a silencer.
    Attached Thumbnails Attached Thumbnails IMG_0033_small.JPG   IMG_0039_small.JPG   Kens.jpg  
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  7. 05-04-2005, 09:36 PM #22
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    short4stuff
    short4stuff is offline Roostin' Away Arm chair racerRoostin Away
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    Quote Originally Posted by HaggLE
    its actually a 6 speed xr200 motor with a 200x cylinder. it has an aussie aftermarket cam, sleeved back to fit a crf150 pistion, lightened crank, shaved head to have 12.5:1 compression, 36mm pumper race carb, oil cooler, hand made megaphone exhaust and the ports have been made larger.

    here are some pics of it but it has a different exhaust in close up pics. The overall pic has a megaphone with a silencer.
    so its a smaller bore and running 25 hp?!
    '04 450r, hr +3 stroker, s2 hotcam
    '84 Honda 200x
    slow restro


    Previous rides 82 Yamaha yt175, 85 Yamaha 225DR, 84 Honda 200M, Ski-doo Olympic 340
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  8. 05-04-2005, 10:00 PM #23
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    trainingwheeler
    trainingwheeler is offline At The Back Of The Pack Arm chair racerFirst time rider
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    that bike is sweet
    1973 atc90k1
    cobra exhaust,1978 thumb throttle ,& pegs
    '80 honda 110
    '84 yamaha 200 x2
    '85 yamaha 225 dx 4sale
    '85 tecate 3 basketcase
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  9. 05-05-2005, 10:32 PM #24
    samster143
    samster143 is offline Just Too Addicted Arm chair racerJust too addicted
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    How is your oil cooler set-up?
    Sam from Florida
    1985 BIGRED $ 200X
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  10. 05-05-2005, 11:52 PM #25
    RideRed250R
    RideRed250R is offline Power User Roostin Away
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    thats a nice bike
    adam
    86 ATC 500R the duner..
    85 ATC 500R...the not quite finished faster duner
    1985 ATC 250R Bone stock!!
    1985 ATC250R mx/duner
    1986 TRX370R MX/Duner
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  11. 05-25-2005, 09:54 AM #26
    HaggLE
    HaggLE is offline At The Back Of The Pack Arm chair racerAt the back of the pack
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    Quote Originally Posted by samster143
    How is your oil cooler set-up?
    It is drilled into the clutch cover. There is an oil passage that you add a bypass out and back in next to it. If you want more details PM me and ill try and get some pics.

    Quote Originally Posted by short4stuff
    so its a smaller bore and running 25 hp?!
    My first post actually said" "My father has the bike equivelant to the early 200x engine in his racebike but at 183cc and it makes 22hp. Pump it to 200 and I reckon you could get 25hp."

    So its smaller and makes 22hp.

    As for an update to that motor, he actually blew it up at a rece meeting! It has gearbox problems whilst flying down the straight. In 3rd looking for 4th, attempted the gear change 3 times (throttle off, clutch in, shift lever, clutch out, throttle on... THREE TIMES) First attempt at 12000rpm, second at 13500rpm last at 14000rpm.... BANG!!! as the valves destroy themselves and punch a hole into the piston and the head of the valve ending up next to the crank!

    The new engine will be the same engine with a few changes:
    CB125 bike head with stainless steel valves (larger inlet then standard) + same cam
    CB125 crank (shorter stroke... down to 48mm)
    Piston the same as in Whychens aluminium 200cc ATC70 (chinese engine) 69mm
    13:1 compression

    Not sure yet on what the final HP will be but will keep you posted.
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