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Thread: 350X with 2006 reverse/400ex motor

  1. #1
    Join Date
    Jun 2011
    Location
    Florida
    --
    18

    350X with 2006 reverse/400ex motor

    For everyone who is wondering if it can be done yes it can! Not to hard it was easier than what i thought. Check out my album that one was my 2nd one i had built. My first one had no reverse and i sold it.. Biggest mistake everrr!!! Last i heard someone in Florida Redlands by florida city had it and telling everyone he had built it! If you guys have any questions just ask..

  2. #2
    Join Date
    Feb 2011
    Location
    fingerlakesny
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    2,834
    kool, u got any pics ??
    our original 85 we bought new, 2 - 86 police specials
    250r dust runner
    04 Yamaha kodiaK 450 snowbuster ! Brute Force 750 dust collector .
    Bunch of es stuff I been buying for next builds....
    Gone but lives on in my aching body the mighty 350x collection . A Beat 85 es im gonna rebuild

  3. #3
    Join Date
    Sep 2008
    Location
    Buffalo
    --
    808
    Tpc 450
    86 250r
    86 350x
    86 200x
    86 250sx
    85 225DR
    (2) 84 YTM
    (3) 85 Atc 70

  4. #4
    Join Date
    Jul 2011
    Location
    Ontario/Quebec
    --
    1,179
    Nice!! great job!
    1986 Honda 350X
    1985 Yamaha Tri-Z 250
    2006 Honda TRX400ex,,,(YA! YA!,,,,,I KNOW IT'S ONE OF THEM 4 WHEEL THINGS!!!!!)

    http://www.3wheelerworld.com/showthr...ack+for+sp8twn


  5. #5
    Join Date
    Jan 2009
    Location
    East Central Illinois
    --
    677
    Nice work, I had thought about going down this road once, but had read that it couldn't be done very easily because of sprocket alignment. So did you plumb the oil system up through the stock coolers? 350X exhaust? Frame mods? I was impressed to see the stock airbox and snorkel in place. Looks like a clean job.
    nstyle73

    "When in doubt, wind it out"

    Feedback: http://www.3wheelerworld.com/showthr...k-for-nstyle73

  6. #6
    jon jon's Avatar
    jon jon is offline At The Back Of The Pack Arm chair racerAt the back of the pack
    Join Date
    Mar 2011
    Location
    north carolina
    --
    420
    well if a 400ex motor will fit in a 350x frame, does that mean a 400ex motor will fit in a 300ex frame? use to have a 350x motor in my 300ex frame.

  7. #7
    Join Date
    Jan 2010
    Location
    Nicholson, Pennsylvania, United States
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    1,641
    Looks good!More details what all was involved with doing this engine swap.

  8. #8
    Join Date
    Jun 2011
    Location
    Florida
    --
    18
    The only frame mod i had to do was remove the bracket that bolts up stock header to the frame. I made an oil tank from an a/c drier had to gut it out and reweld together and add the valve cover breather fitting, return, inline. I used the port where the low side port for the oil filler just had to make an oil cap for it. Also used the stock oil cooler.. That oil tank probably holds 4ounces less oil than 400 stock set up. Never had an overheating issue probably because bike is lighter and more aerodynamic. There is a bottom engine mount that bolts right up to the 350 frame! The second you put motor on the frame you can slide in your first bolt!!! Its all down hill from there.. I used the 400ex dg dg oval exhaust. Just had to cut 1/4" end of header and light do some hand bending and it all bolts right up! All i have on mybile is exhaust , jets, cdi, 1 up in front and 1down rear from the 2006 sprocket and hit 80.1 on my best run... Avg is 78.8mph... Didnt loose take off with gearing because bike is lighter than a 400... I really doubt you can put this motor in any other trike you only have prob 3/4 of an inch of clearance on height with this frame prob even less!! Well if you guys need anything else just ask!

  9. #9
    Join Date
    Jan 2012
    Location
    Carthage NY 250r rules
    --
    2,355
    Looks very nice.Gives the 350x guys more options.E-start and reverse could come in handy.Did you beef up the frame .
    250r rules

  10. #10
    Join Date
    Jun 2011
    Location
    Florida
    --
    18
    My frame was intact... And believe it or not but the 400 motor is lighter and smaller than 350... The 350 you have a hard time in removing and replacing and 400 is sooo much easier.... Also used the stock emergency brake perch lever to be my reverse cable assembly and used the big red reverse cable and eorks perfect with the stock look!

  11. #11
    MOTOMAX27's Avatar
    MOTOMAX27 is offline At The Back Of The Pack Arm chair racerAt the back of the pack
    Join Date
    Oct 2006
    Location
    Miami, FL
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    266
    All i can say guys. This trike rides hard and it is a clean build. WE NEED TO RIDE!!!!

  12. #12
    250Eddie's Avatar
    250Eddie is offline At The Back Of The Pack Arm chair racerAt the back of the pack
    Join Date
    Feb 2011
    Location
    Miami,FL
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    395
    someone put a post a few days ago about this same swap and i posted about a guy down here that did the swap, Turns out top notch was that guy that i spoke to before and after he did the swap lol, we riddin before and his bike is a beast.
    87-250sx
    86-300es Big Red,The Beast
    85-250sx Tiny SwampThing
    85-250es Big Red
    84-70 ( My Sons Bike )

  13. #13
    250Eddie's Avatar
    250Eddie is offline At The Back Of The Pack Arm chair racerAt the back of the pack
    Join Date
    Feb 2011
    Location
    Miami,FL
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    395
    top notch i just saw your message, weve been riding 137th alot, JC is almost always out there with all the big trucks, Im not able to ride for a few months due to an accident i had where i broke my arm and needed 7 hours of surgery to repair my arm, but thats where we all ride at now.
    87-250sx
    86-300es Big Red,The Beast
    85-250sx Tiny SwampThing
    85-250es Big Red
    84-70 ( My Sons Bike )

  14. #14
    Join Date
    Mar 2003
    Location
    Nashville, Tn
    --
    114
    Very nice trike!
    1984 atc70
    1985 atc70
    1985 Atc200s
    1986 atc125m
    1986 atc250r
    1986 atc350x
    1987 atc250es

  15. #15
    Join Date
    Oct 2002
    Location
    Northeast
    --
    17,489
    Great work bud !!
    All our government does is distract us while they steal from us, misspend our tax $ and ruin our country

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