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DT125R Forum -> Tuning -> 30mm flat slide carb upgrade dtr 125
Post Info TOPIC: 30mm flat slide carb upgrade dtr 125
NORFE


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30mm flat slide carb upgrade dtr 125
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I'v just found this 30mm flat side on ebay http://www.ebay.co.uk/itm/360391889036?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649#ht_5454wt_998 has any one had one or, used one??? what jetting could any one recomend once iv built the bike it will be going on the dyno for a full setup but would like to get things as close as poss im just browsing sites getting a list of mods ready in my head for when the build starts all the best to every one for the new year !! norfe

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the only way is YAMAHA DTR


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getting it to fits one thing, as for jetting no one can tell you but if you buy a 2 stroke tuning book it will help,

i had a tm32, but it kept come off becaue it was so big, now i have a mikuni TMX30 with powerjet and fits really nicely



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NORFE


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AHH OK GEEZA, r u running the std engine bore size then with that carb or are you over size cheers

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oversize, with 3mb head, v-force reed valve, airbox cut open, runs nicly



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NORFE


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so whats this 3mb head that keeps popping up when im reading posts?
is it off an early tzr?
whats the difference is it a diffrent chamber design in that 1? higher comp??

cheers
norfe

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NORFE


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do v force make dtr specific or does another model fit in?

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3mb heads are on early dtrs and dtre and x , its about 11psi more compression,

my v-force reeds are from a blaster 200, i modded them

there is one for a wr200 on billsrebuilts.com



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NORFE


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ahh ok...so what years have them heads on then 90-92 or earlier? so gessing thell be like hens teeth then ha.

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ye, but i search ebay and the first one that came up from a 2007 dtx, £25 and sold the 3bn for £30biggrin Result!



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NORFE


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ha ha nice one

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