420 rear diff?

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420 rear diff?

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420 rear diff? - 8/17/2008 8:13:22 PM

Ridin Red

Posts: 252
Joined: 7/7/2007
From: Port Neches,Texas
Status: offline

I have a problem with my rear differential getting filled with water and mud. I took it into my local dealer to get it looked at. I assumed that there was a seal that had gone bad. The Honda guys claim that there is nothing to keep water and mud from getting in. The seals only keep the oil from getting out. Can someone please explain if there is any truth to this claim. How do you make a one way seal? Why is the diff vented if it is not mud and water tight?

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Honda Rancher 420 ES w/2" lift
MotoSport Alloys Castle Rocks
1.5 " HL Wheel Spacers
28" Interco Swamp Lites
Tuff Custom Snorkel
Viper 3000 Winch

Post #: 1

RE: 420 rear diff? - 8/17/2008 8:24:25 PM

muddyfuzzy

Posts: 1210
Joined: 1/24/2008
From: Deer Park, Texas
Status: offline

your seals are bad and they are idiots. i did my entire rear-end(brake and diff.) from about 35.00$ it's been bone dry ever since. just be careful cracking the rear diff. apart. you should replace your shoes too while you're in there. use plenty of high quality grease where needed and don't mix up the shims in the rear diff. when you order these parts also order new crush washers for all your fill/drain plugs also. replace these after you change your fluid after the re-build. but make no mistake about it this will be a recurring problem if you ride 3/4's up your tire.

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MINE-08'outty800max-xt/lawed with28"skinnys/ snorked/w2"intake/radiator relocated
"Power down in the hole"

WIFE'S-07'trx420fm/uni/lawed with 28" skinnys/custom snorked/supertrapp mudslinger/high lifter outlaw clutch kit/dynojet pcIII power commander(tuned by "THE JOHN CANNON")

(in reply to Ridin Red)

Post #: 2

RE: 420 rear diff? - 8/17/2008 9:32:55 PM

GreenTeam

Posts: 9
Joined: 7/13/2007
Status: offline

My wife’s 420 is filling up with water in its rear diff., wanted to know what I would have to do to remove the diff. Would appreciate step by step instructions on completing this task if possible.

(in reply to muddyfuzzy)

Post #: 3