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Thread: Spoon's new 250x - 350x motor

  1. #1
    250sxman is offline At The Back Of The Pack Arm chair racerFirst time rider
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    Spoon's new 250x - 350x motor

    Picked this up for Spoon last night...... posting some pictures here for him, they're not very good and it doesn't help that I took them while it was in the back of my truck but here ya go bro!












  2. #2
    spoon's Avatar
    spoon is offline At The Back Of The Pack Arm chair racerFirst time rider
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    Wow looks pretty good. Thanks for doing this for me. It needs some TLC here and there but this isnt going to be a garage princess. If the motor is decent I might just put it in a 350x. I see it has the 350x shock. I wonder if it has the 350x swingarm. I see no decompression cable and the clutch arm will need to either be flattened out or the exhaust moved. Do you see anything else?
    1986 350x stock
    1986 350x stock basket case
    1987 350x quad-powroll motor in a 250x frame
    1987 250x 250r a-arms extended chrome swinger
    1991 300x 250x with a 300ex cylinder-my beater
    1993 330ex under construction-ex wife stole it!
    1985 250SX bought from 250sxman
    1985 250SX needs a few parts
    1988 350x 250x frame stock 350x motor
    2003 Yamaha Road Star Silverado
    I gotta quit buying these things.

  3. #3
    spoon's Avatar
    spoon is offline At The Back Of The Pack Arm chair racerFirst time rider
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    I think that is a 350x swinger now looking at it. Sweet!
    1986 350x stock
    1986 350x stock basket case
    1987 350x quad-powroll motor in a 250x frame
    1987 250x 250r a-arms extended chrome swinger
    1991 300x 250x with a 300ex cylinder-my beater
    1993 330ex under construction-ex wife stole it!
    1985 250SX bought from 250sxman
    1985 250SX needs a few parts
    1988 350x 250x frame stock 350x motor
    2003 Yamaha Road Star Silverado
    I gotta quit buying these things.

  4. #4
    spoon's Avatar
    spoon is offline At The Back Of The Pack Arm chair racerFirst time rider
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    Here's my other one. Got a little more in this one.
    Last edited by spoon; 01-22-2011 at 04:05 PM.
    1986 350x stock
    1986 350x stock basket case
    1987 350x quad-powroll motor in a 250x frame
    1987 250x 250r a-arms extended chrome swinger
    1991 300x 250x with a 300ex cylinder-my beater
    1993 330ex under construction-ex wife stole it!
    1985 250SX bought from 250sxman
    1985 250SX needs a few parts
    1988 350x 250x frame stock 350x motor
    2003 Yamaha Road Star Silverado
    I gotta quit buying these things.

  5. #5
    250sxman is offline At The Back Of The Pack Arm chair racerFirst time rider
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    That definitely looks a lot nicer! Other the the decomp. cable and the other stuff you mentioned, it looks like it was well done. It does need some cosmetic attention, but like you said, for a rider why put a lot of time/effort/money into cosmetics, hell, the seat isn't tore that's about all I would be worried about. I may try and get it started and post an idling video here for ya. When I tried starting it before, I didn't mess with the choke at all, (forgot about it....)

  6. #6
    spoon's Avatar
    spoon is offline At The Back Of The Pack Arm chair racerFirst time rider
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    Just save time and use some starter fluid. He said it needed a choke so I am guessing it doesnt have one. Could be why its so hard starting. Be sure and check the oil first though. Videos sound good to me, lets hear it.
    1986 350x stock
    1986 350x stock basket case
    1987 350x quad-powroll motor in a 250x frame
    1987 250x 250r a-arms extended chrome swinger
    1991 300x 250x with a 300ex cylinder-my beater
    1993 330ex under construction-ex wife stole it!
    1985 250SX bought from 250sxman
    1985 250SX needs a few parts
    1988 350x 250x frame stock 350x motor
    2003 Yamaha Road Star Silverado
    I gotta quit buying these things.

  7. #7
    250sxman is offline At The Back Of The Pack Arm chair racerFirst time rider
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    I'll give 'er another try this weekend. 350x's didn't have a cable choke, did they? I'll check the oil and use some starter fluid and put a lil fresh gas in it and see what happens.

  8. #8
    dksix's Avatar
    dksix is offline Just Too Addicted Arm chair racerJust too addicted
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    Is this a TRX250X with an ATC350X engine?

  9. #9
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    Hey spoon, what headlights are those?, can you find out and post up?, those look nice on that 250(350)x.
    83' 200x (son's). 85' 200 auto-x & 85' 125m (daughters). 84' Tecate(?). 85' KXT Tecate (mine!, mine!, mine!.)+ some others but don't feel like typing them in.

  10. #10
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    i like it in blue, if you need an alum air box for one of these i got a nice killer one i cant use, its pretty slick. pm me

  11. #11
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    does the 350x bolt right into the 250x?
    My Rides:
    1985 ATC 250r
    1985 ATC 250r - Want to trade for TRX250r
    1989 Suzuki LT-160

  12. #12
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    Quote Originally Posted by k00leo View Post
    does the 350x bolt right into the 250x?
    There is a kit from powroll. Some friends of ours did the conversion once back before the 400ex was made. It was a hot bike.

    http://www.powroll.com/P_HONDA_CONVERSIONKIT.htm

    When Three Wheelers Attack Productions:
    http://youtu.be/Bh_cvtxz7VQ When 3 wheelers attack
    http://youtu.be/KFONPvn8bzU When 3 wheelers attack: Part 2 (in HD, latest video)
    US-90 Video (now in HD on youtube!)
    "three wheelers don't kill people..... I kill people"

  13. #13
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    you can't really put a decompression cable on these swaps it gets melted by the exhaust pipe. i have 2 of these conversion's and know a couple other people that do also and it was always a problem.

    i'll take some pic's of mine and what i did for a better oil cooler setup using a 400ex one. way bigger. i got a shorty cobra pipe on my 93 300ex one that goes behind the frame tube instead of way out around the front like this one. the 87 250x one has a 2 into 1 pipe.
    JASON LISKEY

    1985 atc 250r ---- finsh line axle,.fmf exhaust and rictor privateer silencer, prm grab bar.
    2008 KTM 525xc quad ----- HMF exhaust, HRE chromoly stem,
    86 trx 250r --- with after market chromoly frame and everything else done to it
    01 400ex --- with 86 trx 250r motor
    87 250x + 93 300ex both 350x powered
    2 = 86 atc 350x's
    86 atc 250r
    83 atc 185s --- from retired guy not ridden since 87
    Bandito framed 110 with 85 motor and yellow us90 fenders + tank

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