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Discussion Starter #1
Hello, guys I want to know if the trx 450r thumb throttle fits and works well on the 250r ??

Many thanks,
 

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It will function with the smaller or stock carbs 34-35MM, however; it does not have enough movement to fully open & close the larger carburetors from 36-41MM, either Kehien or Mikuni.

Stick to Honda 250R OEM, still the best IMO.

Carlos
 

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Discussion Starter #3
It will function with the smaller or stock carbs 34-35MM, however; it does not have enough movement to fully open & close the larger carburetors from 36-41MM, either Kehien or Mikuni.

Stick to Honda 250R OEM, still the best IMO.

Carlos
ah ok, great explain, i understand, thank you.
 

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ah ok, great explain, i understand, thank you.
If you have an oem throttle, do yourself a favor and put on a Trx 90 thumb lever in it. I put a 450R throttle housing with a trx90 lever on my banshee...now my 250r throttle feels way too stiff. The banshee’s have 2 carbs, so I imagine it would work wonders on my Trx.
The bumpstop and inner side of the housing has to grinded In pic#2 in order to run these throttles with 36mm carbs or larger.
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