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View Full Version : Wich rear 2 piston calliper bolt on 400ex?


SandRiper
08-27-2011, 04:29 PM
Hé guys just wanna know if someone out there ever instal a twin piston calliper on the rear ?? if yes wich one did u take and are they just bolt on to it?

thnx guys
CJM
08-27-2011, 09:06 PM
Only thing that would work is a 450r rear caliper and your ognna need the proper bracket off the 450r for it.

I dont see why you would even bother, the rear caliper stops just fine imho-if you even really use it.
SandRiper
08-28-2011, 02:44 AM
yup use it more than front one in fact and thats why im asking for this, looking to upgrade brake system allover the quad.
Pappy
08-28-2011, 04:40 AM
Ive used 250r rear calipers on the rear, just use all 250R components (rotor, mount, hub etc) You wont notice any better rear braking, but you can gain a bit of ground clearence.

Front brakes...learn to use them!
400man
08-28-2011, 12:05 PM
the 450r rear brake is a single piston caliper im pretty sure. and for the front, the best bang fo the buck is the yfz450 calipers since they bolt right on the 400ex spindles. ive got honda 450r rear brake on mine. I like it better than the stock 400ex brake. the disc is smaller too so you get more ground clearance.
SandRiper
08-28-2011, 08:50 PM
Found that on ebay maybe its rebuild or somekinda mods but seem to have 2 piston

http://www.ebay.ca/itm/trx-400ex-450r-REAR-DUAL-PISTON-BRAKE-SETUP-400-EX-/120768303982?pt=Motors_ATV_Parts_Accessories&hash=item1c1e5a136e
supertrooper90
08-29-2011, 04:49 AM
if i remembercorrectly, that should be all you need. but if you hace a little patience you should be able to do it for less than a hundred. I like my upgrade but not for $150 that price seems a little steep for used parts. and $35 for shipping is unreal.
Hasteloy-X
09-05-2011, 12:27 PM
What year YZ would this swap work with for front calipers?

Do you also need to run a different rotor too?


Originally posted by 400man
the 450r rear brake is a single piston caliper im pretty sure. and for the front, the best bang fo the buck is the yfz450 calipers since they bolt right on the 400ex spindles. ive got honda 450r rear brake on mine. I like it better than the stock 400ex brake. the disc is smaller too so you get more ground clearance.