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View Full Version : 1982 Honda atc 250r carb swap!



wpginterceptor
10-24-2014, 10:43 PM
I have the stocker 27MM carb on the bike.. I recently purchased the 34MM Keihin PJ carb and was goin to put it on when I realised its to big..
The intake boot doesn't fit over the carb. Do I have to find a different size intake boot?

Bren_downe
10-24-2014, 11:42 PM
I put a 34mm PE carb on mine. I just heated up the boot with a heat gun, while the boot was still warm I worked it in there. Go slow so you don't rip the boot.
Some people boil the boot.
Edit: I should add that my trike has a second gen motor and it had a larger boot to begin with.

wpginterceptor
10-25-2014, 12:45 AM
did u notice a huge difference? do you run the airbox also?

manbearpig
10-25-2014, 10:11 AM
http://i1115.photobucket.com/albums/k557/proct103/33F67F47-6251-4FFF-85BA-73942BC29753_zpshhd8uwvz.jpg (http://s1115.photobucket.com/user/proct103/media/33F67F47-6251-4FFF-85BA-73942BC29753_zpshhd8uwvz.jpg.html)

If you can find an intake like the two on the bottom (one on the left is gen 3) you can purchase brand new mikuni snowmobile carb boots that will match your carb size.

http://www.ebay.com/itm/Carburetor-Intake-Flange-VM32-VM34-Snowmobile-Intake-Boot-For-Mikuni-Carburetor-/351025852822?hash=item51bac57196&vxp=mtr

i think someone was making intakes a couple years ago but cant find info on it now

90guy
10-26-2014, 02:02 AM
Fl350 carbboot Will also allow for a bigger carb. Looks just like the factory boot on it but bigger.

manbearpig
10-26-2014, 09:13 AM
very true 90guy. bolt on, looks stock.. but try finding one. hens teeth i tell ya!

wpginterceptor
10-26-2014, 08:51 PM
mine is obviously a first gen.. will the boot stretch enough to fit on the first gen?

wpginterceptor
10-26-2014, 11:14 PM
will the 85-86 intake boot fit on my bike?