TRX250R.ORG

General => Lounge => Topic started by: udontknowme on January 20, 2015, 07:59:14 PM

Title: radvalve clamp
Post by: udontknowme on January 20, 2015, 07:59:14 PM
does anyone have a radvalve on thier engine they can take a look at the clamps that hold the rubber boot to the carb and see what size they are. seems like their a gemi brand but im wondering what the size is. it should be stamped on the side. something like 48 or 50 maybe.
Title: radvalve clamp
Post by: jfwyatt1 on January 20, 2015, 09:31:23 PM
the clamps on mine say 48mm but they arent original just stainless clamps from the parts store.
Title: radvalve clamp
Post by: Usmoneylover on January 20, 2015, 10:22:26 PM
(http://forums.trx250r.org/vbulletin_imports/803_4396_2017-04-18_4716.jpg)
Title: radvalve clamp
Post by: udontknowme on January 21, 2015, 12:12:23 AM
wyatt thnx for the info. i was figuring they were somewhere around 48

usmoney are those originals ?  reason i ask is because the radvalves that use 38mm carbs use the 54mm gemi clamps. for some reason i thought 250r used a smaller carb like 36mm, there for the clamps would be a bit smaller also im assuming. like around 48 or 50mm ?   im needing a gemi clamp in the 48-50mm range. figured maybe i could get a 250r version and it would be the size i needed
Title: radvalve clamp
Post by: mx250r91 on January 21, 2015, 02:36:07 PM
I had one of the gemini clamps break while riding so I replaced them with these heavier stainless ones from McMaster. I think I used the same size for all 3 and just trimmed the excess off the reed valve clamps.

(http://i97.photobucket.com/albums/l209/mx91a/EEF2B955-CB64-4031-A861-6DB05BE13EAE-21792-00001E5C3E1F21FF_zps42ec4ca2.jpg~original)
Title: radvalve clamp
Post by: Usmoneylover on January 21, 2015, 04:11:32 PM
Quote from: udontknowme;49055
wyatt thnx for the info. i was figuring they were somewhere around 48

usmoney are those originals ?  reason i ask is because the radvalves that use 38mm carbs use the 54mm gemi clamps. for some reason i thought 250r used a smaller carb like 36mm, there for the clamps would be a bit smaller also im assuming. like around 48 or 50mm ?   im needing a gemi clamp in the 48-50mm range. figured maybe i could get a 250r version and it would be the size i needed


Bought the rad valve with the boot/clamps used so I can't confirm if their originals...Never gave it much thought sorry!