Results 1 to 2 of 2

Thread: Got my ATAC cylinder on the 250R. BEAST!

  1. #1
    Join Date
    Mar 2007
    Location
    Eagle River Ak.
    --
    129

    Got my ATAC cylinder on the 250R. BEAST!

    Got my 85 ATAC cylinder on and running. Holy cow does it fly! Made an adapter for the exhaust flange, blended it in, opened the boost ports very slightly, removed the rough edges and casting flash. Had it bored the first size over. Wiesco piston. Thin headgasket from the three piece type. 38mm Carb, dial a jet, MSD ignition, lightened flywheel. Paul Turner pipe, 100LL gas with Torco Accelerator and Amsoil synthetic oil. Thing is an absolute beast. Rip your arms off midrange and eye watering top end. I can putt around at slow speeds ( my 4 year old rode in front on the beach this weeekend) all day, rip the throttle and "hold her Luke she's headed for the barn!" Can't wait to get her even more dialed in.


    Gratuitous waterfall shot. Clam Gulch, Alaska.


    Man saltwater does a number on things.


    Nice and stealthy looking. This winter when it gets a full cosmetic makeover I'll grind and fill the rack hole and unless people know what to look for and where, it'll be just another 250R.




    Shot of my modded TRX airbox.


    MSD control box and battery mounted out of site.

  2. #2
    Join Date
    Mar 2005
    Location
    overton, PA
    --
    5,257
    wow man glad it turned out better than my atac cylinder came out. but i think the other mods had alot to do with it also just a cylinder swap didnt make much improvemants and did you us ethe actual chamber itself or not?
    ok here goes, 85 atc70,2 84 atc70's 83 alt50,83 atc110 , 70 us 90 parot green, 85/86 350x garage queen, stock rider 85 350x, project 85 350x 85 250r drag bike, 2 85 250sx's, alt185, , scat tracker?99blaster,85 250r rider,85 250r ice racer project ,93 kx500,99 xr200r, 91 dr250s ,89 lt500 quadzilla,88 lt250quadracer, 88 trx250r race full on race quad,, 01 yamahakodiak400, kawaki kd100,lt50 for my doughters,93 300ex, 230 quadsport, lt185, lt250 quadrunner,84200s, is that enough?

//ArrowChat Integreation Code //