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Thread: Advice wanted on 350x motor mods

  1. #1
    Join Date
    Feb 2008
    Location
    minnesota
    --
    14

    Advice wanted on 350x motor mods

    I have a 1985 honda 350x and use it stricktly for running the local river in the winter and am wondering what motor mods would be beneficial to me the trike is stock except for a full dg excellerator exhaust system I have put a 15 tooth front sprockrt on it and a rad rear bearing carrier other than that this thing is stock I was thinking a 10-25-1 wiesco piston with cam not sure whitch one and all new valves springs and retainers ECT>>> what i am trying to achieve is more speed with out loseing much bottom end. the river I run has tight woods style turns and also open sweeping corners that I can take at wide open right now. I am knocking on the back door of a lightly mod 400ex and would love to be able to go by with ease. Some times in early winter the river is glare ice and late there could be packed snow on it and right now is when i have trouble holding top speed
    Really apperciate all your guys imput

  2. #2
    Ryan. is offline At The Back Of The Pack Arm chair racerAt the back of the pack
    Join Date
    Feb 2008
    Location
    Michigan
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    317
    i think i would go with a cam but i may be wrong...

  3. #3
    Join Date
    Apr 2007
    Location
    Springfield, PA
    --
    889
    10.25:1 wiseco, cam, k&n air filter should be good i think. you can also get a 12:1 piston, but you may have to run race gas. how much are you looking to spend total for performance?
    My Rides
    1983 ATC200 - U-Haul edition - great mudder - SOLD
    1984 ATC200X - sucked a valve - frame up resto & engine rebuild with performance parts in the works
    1987 Suzuki DR200
    199? Go-ped Sport

  4. #4
    Join Date
    Feb 2008
    Location
    minnesota
    --
    14

    350 mod

    I want to stay in that $500 dollar range and I would like to stay away from race gas

  5. #5
    Join Date
    Feb 2008
    Location
    minnesota
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    14

    350x

    I also forgot to mention I have a uni air filter on it

  6. #6
    Join Date
    Apr 2007
    Location
    Springfield, PA
    --
    889
    i think you should be fine with a 10.25:1 piston, cam, k&n air filter, and you already have the exhaust. maybe a carb also. see these sites
    www.wiseco.com
    http://webcamshafts.com/pages/atv/ho...)_sohc_4v.html
    www.megacyclecams.com
    http://www.denniskirk.com/jsp/produc...questid=860639
    My Rides
    1983 ATC200 - U-Haul edition - great mudder - SOLD
    1984 ATC200X - sucked a valve - frame up resto & engine rebuild with performance parts in the works
    1987 Suzuki DR200
    199? Go-ped Sport

  7. #7
    Join Date
    Oct 2002
    Location
    Northeast
    --
    17,444
    You will BARELY be able to do a cam, spring kit, piston, bore and harden the rockers for 500$ but thats the way to go.....
    All our government does is distract us while they steal from us, misspend our tax $ and ruin our country

  8. #8
    Join Date
    Feb 2008
    Location
    minnesota
    --
    14

    350 x

    give or take $500 you cant put a price on beating your buddies can you what ever it takes

  9. #9
    Join Date
    Feb 2008
    Location
    minnesota
    --
    14
    dirtcrasher thanks for the imput thats the way I am going to go

  10. #10
    Join Date
    Oct 2002
    Location
    Northeast
    --
    17,444
    They make a nice middle of the road cam for the 350X and with a 10.25:1 you don't need race fuel. You can clean up the in and ex ports, put a 400EX carb on there, K+N filter and a Supertrapp exhaust or a modded 450R with HRC tip exhaust and expect some very nice gains.
    All our government does is distract us while they steal from us, misspend our tax $ and ruin our country

  11. #11
    Join Date
    Oct 2007
    Location
    Grosse Tete, LA
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    3,439
    it's pretty much exactly 500 bucks for reground rockers, have them redo your cam and new springs and such and a 10.25:1 wiseco. That's pretty much exactly what I'm going to do.

    How does that 15 tooth sprocket treat you? gain a lot of topspeed?
    Feedback thread: http://www.3wheelerworldforums.com/s...ad.php?t=78535

    Patiently waiting..

  12. #12
    Join Date
    Feb 2008
    Location
    minnesota
    --
    14

    350x

    the 15 tooth sprocket gained some speed but not quite enough to go around a lightly modded 400ex, I still wanted to be able to hold 6th gear in the snow otherwise I would have went bigger thats why i am looking for more power so i can sprocket up more and hold 6th and still have low end also

  13. #13
    Join Date
    Feb 2008
    Location
    minnesota
    --
    14

    350x

    the 15 tooth sprocket gained some speed but not quite enough to go around a lightly modded 400ex, I still wanted to be able to hold 6th gear in the snow otherwise I would have went bigger thats why i am looking for more power so i can sprocket up more and hold 6th and still have low end also

  14. #14
    Join Date
    Oct 2002
    Location
    Northeast
    --
    17,444
    Quote Originally Posted by The Goat View Post
    it's pretty much exactly 500 bucks for reground rockers, have them redo your cam and new springs and such and a 10.25:1 wiseco. That's pretty much exactly what I'm going to do.

    How does that 15 tooth sprocket treat you? gain a lot of topspeed?
    Hey GOAT, what exactly is the charge just to harden and grind good rockers you provide WEB??
    All our government does is distract us while they steal from us, misspend our tax $ and ruin our country

  15. #15
    Join Date
    Feb 2008
    Location
    minnesota
    --
    14

    350x

    can goat can get parts for me

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