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View Full Version : 450r swinger on 300, will ATC250r rear shock work or just TRX250r


maddmatt02
06-21-2007, 10:52 PM
the auction with the ATC's the pic looks liek it will work but want to be sure first.
http://i8.ebayimg.com/04/i/000/a2/9b/2a00_1.JPG

http://i9.ebayimg.com/02/i/000/a5/e9/6598_1.JPG

first one says its off an ATC and second says its off a TRX, they look identical to me so Im just gonna try it if I dont get an answer by the time it ends.
maddmatt02
06-21-2007, 10:55 PM
just counted and looks like the ATC's has 1 more coil.
SET THE STAGE
06-22-2007, 01:19 AM
the atc shocks were a TAD longer and the reservoir hoses were a lot shorter. so that'd be a bit of a problem mounting them.
maddmatt02
06-22-2007, 07:10 AM
wow, can clearly see that now, guess I just wanted them to work since I can get that shock cheap.
2muchquad
07-01-2007, 11:26 AM
The atc shock had a slightly bigger diameter hole for the lower shock bolt or vice versa,either one can be made to work though,the 250r shock would probably be ideal though cause its a bit shorter.
SET THE STAGE
07-01-2007, 01:51 PM
Originally posted by 2muchquad
The atc shock had a slightly bigger diameter hole for the lower shock bolt or vice versa,either one can be made to work though,the 250r shock would probably be ideal though cause its a bit shorter.

you mean the trx shock would probably be ideal? lol
maddmatt02
07-01-2007, 10:59 PM
I got the trx shock coming and hopefully the 400 linkage I got will work out for me......
SET THE STAGE
07-01-2007, 11:27 PM
the 250r shock uses a 14mm pin and i believe the 400ex uses a 10mm i think. so you might have to make some sort of spacer or try drilling out the linkage.
maddmatt02
07-02-2007, 04:38 PM
by pin do you mean bolt? or is the fork of the 250r shock 14mm apart and the 400 linkage is only 10mm wide?
SET THE STAGE
07-02-2007, 04:45 PM
yeah, by pin i meant bottom bolt. sorry, that would have made a little more sense to most people hahah my bad.

also, i didn't do the 250r rear-end mod on mine BUT, i believe you have to trim the top bushings a bit to fit inbetween the space where it mounts. just like maybe take it the grinder and shave it off a bit until it fits. i'm buying a new shock for mine so i'll let you know what how much needs to be done!