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Thread: 85-86 250r

  1. 11-04-2009, 03:39 PM #1
    odog
    odog is offline Registered User
    Join Date
    May 2008
    Location
    nc
    Posts
    314

    85-86 250r

    i have a friend that has an 86 250r he is wondering what will it take to make his bike competable against a built 400ex and a stock 450r or is it worth it. he also has a 400ex but we here so much about the 250r s and how fast they are he kind of want to build it but if its not worth it let me know
    460ex stroker ,triple rate shocks w/reserves,cfm alum. airbox,denton racing steering stablelizer,big gun over rev rev box, uni filter,stage 3 hotcam,renthal handlebars,msr clutch,full skid plate, pro peg nerf bars,trail tech vapor,fst secondary oil cooler,+1mm kibble white black diamond valves,port and polish,custom seat,maxis razr2 lonestar racing bearing carrier,gt thunder hd studs,barnett clutches and etc 16/38 gearing.sparks 39mm fcr carb.sparks x-6 bigcore exhaust.next mod will be clutches and tires alottttttttttttttttttt of money spent ok new clutches are installed sparks 8-plate system.next tires or more suspension mods
    this ex is getting real expensive
    real quick.but its real fastttttttt
    new sidewinder smart chain 2 and t2 16tooth front sprocket.can u say lifetime warranty on the sprocket.$$$
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  2. 11-06-2009, 03:09 PM #2
    tommygunnz
    tommygunnz is offline Senior Member
    Join Date
    Jul 2009
    Location
    Torrington CT
    Posts
    194
    you need good reeds,nice carb like 38mm keihin pwk air stryker,have ur head shaved for higher compression atleast 93 octane,bore it a bit and defenitly have a place with a good reputation port it,and last but not least get a good pipe like FTZ,trinity,CT Racing,and the bike will scream remember to take notice of limiting factors like if you had everything done but still had a stock carb etc....2 strokes are simple upgrade wise its choosing the right things to do and put on dont get junk if you want to go fast
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