400ex Oil Leaking - Honda ATV Forum
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post #1 of 9 (permalink) Old 08-26-2011, 06:33 AM Thread Starter
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400ex Oil Leaking

I noticed the other day that it seems my 06 400ex is leaking oil. It looks like its coming from the front of the engine where the oil lines are bolted to it. any ideas on the cause of this and what can be done to remedy it? Thanks in advanced.

2006 TRX400ex
AC Nerfs - Swingarm Skid + Honda Racing Skid - Protaper Contour Bars - Rox 2" Riser - CBR Clutch Perch - Oury Grips - HT Moto Seat Cover - Custom Poly Case Saver - TRX450R Front Shocks - XR250R CDI - YFZ 450 Dual Piston Front Calipers - ITP T9 Baja Rear + GBC X-Rex - CanAm DS450 Front Rims +Holeshot SR Front - Dominator Bumper - UNI Filter - 13/39 Gearing - DID x-ring Chain

2004 TRX250EX
AC Racing Nerfs - Oury Grips - Fmf Slip-on - Uni Filter - Razr Rears
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post #2 of 9 (permalink) Old 08-26-2011, 07:33 AM
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There are o-rings in there. Either they are shot or missing. Really easy to change and cheap.
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post #3 of 9 (permalink) Old 08-26-2011, 09:05 AM
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post #4 of 9 (permalink) Old 08-30-2011, 07:06 PM Thread Starter
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I picked up some o-rings at lowes that seemed to be the right size and threw those on.
I'm not sure if it stopped the leaking tho.
I'll be keeping an eye on it more closely.

2006 TRX400ex
AC Nerfs - Swingarm Skid + Honda Racing Skid - Protaper Contour Bars - Rox 2" Riser - CBR Clutch Perch - Oury Grips - HT Moto Seat Cover - Custom Poly Case Saver - TRX450R Front Shocks - XR250R CDI - YFZ 450 Dual Piston Front Calipers - ITP T9 Baja Rear + GBC X-Rex - CanAm DS450 Front Rims +Holeshot SR Front - Dominator Bumper - UNI Filter - 13/39 Gearing - DID x-ring Chain

2004 TRX250EX
AC Racing Nerfs - Oury Grips - Fmf Slip-on - Uni Filter - Razr Rears
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post #5 of 9 (permalink) Old 08-30-2011, 07:08 PM
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You could have taken the old ones and dropped them in some laquer thinner to swell them up to buy you some time to get the right ones. all you have to do is drop them in count to 5 and pull them out and dry it dosen't take long.

"MOOSE WAGON "
00 TRX400EX aka "MOOSE ROCKET"
91 TRX250X aka "MOOSE WAGON" RETIRED
96 Polaris 400L sport (Mrs. Moose Ride)
07 Suzuki LTZ250 (Sons)
96 Polaris 250 Trail Blazer (daughters)
06 TRX450ER aka === Under construction

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post #6 of 9 (permalink) Old 08-30-2011, 07:11 PM
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Quote:
Originally Posted by TRX2fiveO View Post
You could have taken the old ones and dropped them in some laquer thinner to swell them up to buy you some time to get the right ones. all you have to do is drop them in count to 5 and pull them out and dry it dosen't take long.
Penetrating oil will make them swell up, too.

Most 4-wheeler problems are caused by a loose nut connecting the handlebars and the seat!!

You only need two tools in life -- WD-40 and duct tape. If it doesn't move and should, use the WD-40. If it shouldn't move and does, use the duct tape.
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post #7 of 9 (permalink) Old 08-30-2011, 07:17 PM
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that is true Helmut and cheaper. lol I have also simply flipped them over and they have held

"MOOSE WAGON "
00 TRX400EX aka "MOOSE ROCKET"
91 TRX250X aka "MOOSE WAGON" RETIRED
96 Polaris 400L sport (Mrs. Moose Ride)
07 Suzuki LTZ250 (Sons)
96 Polaris 250 Trail Blazer (daughters)
06 TRX450ER aka === Under construction

Progress and Help
PM FOR MANUAL HELP
JETTING
Service_Manual_Downloads
2000_400EX_Build
400EX_Pivot_Bolt_
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post #8 of 9 (permalink) Old 08-31-2011, 01:23 PM Thread Starter
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it actually looked like there was only one line that had an o-ring

2006 TRX400ex
AC Nerfs - Swingarm Skid + Honda Racing Skid - Protaper Contour Bars - Rox 2" Riser - CBR Clutch Perch - Oury Grips - HT Moto Seat Cover - Custom Poly Case Saver - TRX450R Front Shocks - XR250R CDI - YFZ 450 Dual Piston Front Calipers - ITP T9 Baja Rear + GBC X-Rex - CanAm DS450 Front Rims +Holeshot SR Front - Dominator Bumper - UNI Filter - 13/39 Gearing - DID x-ring Chain

2004 TRX250EX
AC Racing Nerfs - Oury Grips - Fmf Slip-on - Uni Filter - Razr Rears
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post #9 of 9 (permalink) Old 09-06-2011, 10:48 AM Thread Starter
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I've ridden it since and it appears to not be leaking any more!
GREAT SUCCESS!!

2006 TRX400ex
AC Nerfs - Swingarm Skid + Honda Racing Skid - Protaper Contour Bars - Rox 2" Riser - CBR Clutch Perch - Oury Grips - HT Moto Seat Cover - Custom Poly Case Saver - TRX450R Front Shocks - XR250R CDI - YFZ 450 Dual Piston Front Calipers - ITP T9 Baja Rear + GBC X-Rex - CanAm DS450 Front Rims +Holeshot SR Front - Dominator Bumper - UNI Filter - 13/39 Gearing - DID x-ring Chain

2004 TRX250EX
AC Racing Nerfs - Oury Grips - Fmf Slip-on - Uni Filter - Razr Rears
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