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duffman1483
05-06-2008, 03:43 AM
I am wondering if there is a more efficient oil cooler for the 400ex, I looked for the supercooler that I have seen some guys as having but pulled up nothing. I'm looking to add some more cooling to my g/f's 400ex and I already put my old oversized oil tank on it and scoops. I really don't feel like putting in the work of installing a second oil cooler when it is just for her to putt around on really. Thanks for any help.

madmax400ex
05-06-2008, 08:13 AM
Here's a link to ebay. I saw these on there and not sure how well the work, but it looks like a good system for keeping oil cooler.
http://cgi.ebay.com/ebaymotors/HONDA-TRX-400EX-OIL-TANK-RESERVOIR-ALUMINUM_W0QQitemZ280223665937QQihZ018QQcategoryZ4 3977QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

duffman1483
05-06-2008, 09:08 AM
Thanks but I added a similar oil tank to hers already. That addition helped the most, the air scoops seem to do practically nothing.

400exMO
05-06-2008, 09:18 AM
you can use a spal fan, secondary oil cooler, or a streetbike oil cooler.

duffman1483
05-06-2008, 12:52 PM
ok cool, ill look into that more, appreciate the help

hondaking52
05-06-2008, 03:14 PM
how come it needs so much cooling if shes just putting around on it?

DementeD
05-06-2008, 03:20 PM
Originally posted by hondaking52
how come it needs so much cooling if shes just putting around on it?
im just guessing but..when ur just "putting" around is when the motor/oil is barely getting cooled..
if the bike is barely moving then that must mean not much air is passing through the oil cooler and onto the motor..which is what actually cools the bike..
best thing for that is a spal fan.
i still havent done the mod but i definitely have it planned in the future to add a spal fan to the oil cooler..but i also want a bigger cooler i just havent figure out the size of the connectors to the oil cooler yet..when i do i plan a lil bit bigger/better cooler and a spal fan..

hondaking52
05-06-2008, 03:27 PM
ahhh, good point DementeD

YELLOW_TRX400EX
05-06-2008, 09:05 PM
what size spal fan. the 4 inches ?

05-06-2008, 09:17 PM
My plan for the ultimate cooling was FST secondary oil cooler with a fan on that or the regular oil cooler in addition to air scoops. I guarantee you would probally see 50 degree drop in temperature maybe even more with that.

duffman1483
05-07-2008, 06:38 AM
Well on my 400ex I have an oversized tank, air scoops, and the fst secondary oil cooler and it works great on my 440. with her putting around it generates a lot of heat as opposed to when I ride it at a moderate pace.