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View Full Version : 81-84 atc 250r motor question?


jason85atc250r
09-22-2007, 11:20 AM
does anybody know if a 81-82 atc 250r motor will fit a 83 250r? Or will just the bottom end work.

my buddy just got a 83 with no fifth gear. i found a couple deals on 82 motors on ebay.

thank
BLAZERONE22
09-22-2007, 11:32 AM
does anybody know if a 81-82 atc 250r motor will fit a 83 250r? Or will just the bottom end work.

my buddy just got a 83 with no fifth gear. i found a couple deals on 82 motors on ebay.

thank

You will have to use the shifter shaft from your 83-84 other than that it will work...
trikerooster
09-23-2009, 01:16 PM
Yes it will fit like a glove. 81-84 are the same except the drive+suspension.
pipeline triker
09-23-2009, 02:01 PM
I have a 83-84 motor in my 82 250r. The only thing you notice from the out side is the later ones are black and not red. I beleive the 83-84's have bigger porting.
Dirtcrasher
09-23-2009, 08:04 PM
Great news!! They've been waiting 2 years for this info :D
shortline10
09-23-2009, 08:09 PM
Great news!! They've been waiting 2 years for this info :D

about fell out of my chair dirtcrasher :D :beer
trikerooster
09-24-2009, 03:55 PM
Time for a bong load!
trikerooster
09-24-2009, 03:57 PM
I need to talk to someone who has built a 1984 250R. I had to do so much research just to figure out that my front forks are from a 85'. The bike is a 1982. ??
trikerooster
09-24-2009, 04:01 PM
They need to remanufacture some DG COOL heads for the old school trikes!!
Can't they just make a mold or something?
RideRed250R
09-24-2009, 04:03 PM
you could have to make a cast, the problem is you have to get a few in on it, and when I say few I mean around 50 units. I have looked into doing it through my own company and its going to be pretty expensive to do...
trikerooster
09-24-2009, 04:03 PM
shortline10's I can tell that you ride your trike because your suspension in the rear is low for better control. Low in the back high in the front. I think the 86' R is too tall.
trikerooster
09-24-2009, 04:06 PM
TRUE. Damn I love those things. I would probably buy a trike just because it's on there!!
trikerooster
09-24-2009, 04:07 PM
I heard In the grapevine that HONDA used to have a water cooled head for the 81-84 250R's. That would be nice.
mike from long island
09-24-2009, 06:27 PM
I heard In the grapevine that HONDA used to have a water cooled head for the 81-84 250R's. That would be nice.

Post a bunch of pics of your bike.I want to see it closer with the water cooled parts installed.Thanks
RedRider_AK
09-25-2009, 11:37 AM
Post a bunch of pics of your bike.I want to see it closer with the water cooled parts installed.Thanks

Am I missing something? He didn't say he had them, he said he heard that Honda once made some... :confused:
mike from long island
09-25-2009, 12:04 PM
Am I missing something? He didn't say he had them, he said he heard that Honda once made some... :confused:

He staed he is running 85/86 front end and swingarm assembly on an his early aircooled 250r.I want to see the bike with the parts installed.
Saul
09-25-2009, 02:24 PM
He staed he is running 85/86 front end and swingarm assembly on an his early aircooled 250r.I want to see the bike with the parts installed.

All he said in this thread was he had 85 forks. I don't see (unless it was deleted) anything about him having gen3 swingarm or any water cooled parts on his trike.

A couple watercooled kits were designed for the airfoolers though.
mike from long island
09-25-2009, 02:29 PM
All he said in this thread was he had 85 forks. I don't see (unless it was deleted) anything about him having gen3 swingarm or any water cooled parts on his trike.

A couple watercooled kits were designed for the airfoolers though.

Nope he deleted the post about the newer swinger on his 81 250r... Long gone as it probably didnt happen.
Saul
09-25-2009, 03:20 PM
Nope he deleted the post about the newer swinger on his 81 250r... Long gone as it probably didnt happen.

Ahh ok - knew I musta missed something. :idea:

Here is a newer swingarm on a 81 Fooler ...

http://airfoolers.com/pages/readers/1offairfooler/1offairfooler.html
trikerooster
10-20-2009, 01:08 PM
I wish I had them!! It is ALMOST impossible to find them!
trikerooster
10-20-2009, 01:10 PM
NO WATER COOLED PARTS HERE! 85' front with custom head, 83' swinger, 84 cylinder with wiseco.
trikerooster
10-20-2009, 01:12 PM
Custom steering stem+head bearings.
trikerooster
10-20-2009, 01:54 PM
"Nope he deleted the post about the newer swinger on his 81 250r... Long gone as it probably didnt happen." Until he pulled wheelies past me!


My comp shut off! I have an 82' 250R, my brother has a 81' 250R! I have a custom extended 85' swinger converted w/ 82' parts.
The guy I bought it from did some crazy nice work on it. I got it for 200 and polished her all up.