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Thread: 250r mods

  1. #1
    Join Date
    Apr 2006
    Location
    Columbus, NE
    --
    7

    250r mods

    Alright, i have $1500 for motor mods for a 1984 250r anyone have suggestions? also does anyone know where i could get an extended swingarm for it, or does anyone know who makes custom swingarms? please reply asap

  2. #2
    Join Date
    Apr 2006
    Location
    Columbus, NE
    --
    7

    trinity 250r?

    alright i ahve around 1500 bucks to do stuff to my motor. i want trinity racing to do it but i dont know how much it will cost becuase ive emailed them went to there site and everything and they never contact me back. does anyone know trinitys prices for doing stuff to an engine or does anyone know how i can contact them.

  3. #3
    Join Date
    Jul 2005
    Location
    Pennsylvannia
    --
    1,147
    What you should do with that $1500 is get a 1985 or 1986 250R. They are watercooled with if you mod the engine on them, you will probably get a little more bang for your buck. Watercoolers are said to have quite a bit more power, etc. than the aircooled's..
    Just a suggestion.
    '85 250SX - My first ever trike and my pride and joy
    **Check Out The Whole SX Project Here!!**
    '85 350X - 10:1 Piston, performance cam, '86 engline/carb
    '85 Powervalved Tri-Z - Fully modded - Soon to have a Corey Sprock 310 kit
    '85 250R - Began the modification process. This bike is going to scream! -295cc kit, Ported, Drag intake, 40mil Keihin, VForce reeds, shaved head, PT High Rev pipe, Fat Boy 2 Silencer, +4 Durablue axle, +2 swinger-

  4. #4
    Join Date
    Apr 2006
    Location
    Columbus, NE
    --
    7
    o i already know that i have an 85 tho bought it from kansas with trinity motor work lrd full pip extended 4+ swingarm k and n, and its sharp. but i wanna make my aircooled fast. where i ride you dont see them and thats what i like, i like standing out so i need helpful advice on making it faster.

  5. #5
    Join Date
    Jul 2005
    Location
    Pennsylvannia
    --
    1,147
    Oooh I see.
    Well I don't know much about aircooleds, but the start on ANY 2 stroke is new (aftermarket) reeds, aftermarket pipe, and high flow air filter. After that you may want to consider a 300R top end with a bigger carb. Thats all I can really tell you.. I don't know much about aircooleds..
    '85 250SX - My first ever trike and my pride and joy
    **Check Out The Whole SX Project Here!!**
    '85 350X - 10:1 Piston, performance cam, '86 engline/carb
    '85 Powervalved Tri-Z - Fully modded - Soon to have a Corey Sprock 310 kit
    '85 250R - Began the modification process. This bike is going to scream! -295cc kit, Ported, Drag intake, 40mil Keihin, VForce reeds, shaved head, PT High Rev pipe, Fat Boy 2 Silencer, +4 Durablue axle, +2 swinger-

  6. #6
    Trike Dude is offline At The Back Of The Pack Arm chair racerFirst time rider
    Join Date
    May 2004
    Location
    Las Vegas
    --
    180
    I sent my airfoola motor to FTZ Racing for a full rebuild a while back and have been nothing but happy with it. I also put a 34mm carb from an '86 R on it.


    1985 ATC350X


    "El Duderino if your not into the whole brevity thing"

  7. #7
    Join Date
    Apr 2006
    Location
    Columbus, NE
    --
    7
    can you give me ftz racing website or someway i can contact them? also how much did it run ya n cash flow?

  8. #8
    Join Date
    Oct 2002
    Location
    Canada
    --
    185
    High compression head, but watch out your cylinder stud, mine tend to streche and\or broke if it's too much shaved.
    with lot of mods i would sugest you a 36mm carb with long time tuning.
    a port timing job base on your needs (low-mid-top)
    lightened flywheel if your going for a top enb bike if it's for trail riding don't do it it will hurt your bottom end.

    Just for a little teaser.

    My Air R mods are :
    No air box lid
    Uni Filter
    34mm carb bored to 36mm
    Boyseen reeds valve
    P&P cylinder, not really got time for port timing
    Mid compression head for all day riding and high comp for drag events.
    Polish head and Crankcase
    Shitty DG Full Exhaust
    18in tires
    14 front and 42 rear sprocket

    And i smoke my friend 1988 250r quad who got pipe, uni filter, p&p and little port timing for top end gains. same gearing but he got 20in tires.


    ALP
    Beav
    When there's a place to Jump, there's always a place to land. Don't matter if it's hard or not. Gotta find the limits of your trike.

    1984 250r
    Mods : Uni filter, 36mm Flatside Carb, Boyseen Reeds, P&P with a little bit of port timing (more to come), High Comp. Head, DG Full Exhaust.

    1986 250R
    Just got it give me some time to mod it

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