2014 250 Pro XS oil leak

This topic has 9 replies, 5 voices, and was last updated 9 years, 5 months ago by oldtimer57.

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January 9, 2017 at 2:28 am #330308

Mainliner61
Participant

I noticed today a small gear oil leak coming from just above the Torquemaster lower unit. Its leaking from where the 5/32 hose ( I believe is the speedometer hose) comes out of the LU and up to the midsection. Maybe running down the hose from above. Ive never seen this before. Any ideas? H2O changed my LU oil last week for me. Is it possible that it was over filled and venting out? ThanksI can email pictures if needed. Just cant post on here.

January 9, 2017 at 2:41 am #330330

Redngoo
Participant

This seems odd. Wat color is this oil. Ive noticed a few times on the concrete of mine. Though I discovered it actually was 2 cycle oil. Running down. I removed the cowl and side coils. Cleaned it all up. I just figure it was reminance from with the reservoir was bled. And just made it way down.. no leaks since the clean up. I would think being at a dealer they done the proper vacuum test before filling. Though it would concern me as well. Does it smell like gear oil. Gear oil does have a smell of its own.2013 PANTERA 2MERCURY 200 PRO XSMINNKOTA 80LB FORTREX25 fury

January 9, 2017 at 2:56 am #330349

Bass Cat Boats
Keymaster

Yes its the blueish green gear oil. Smells like gear oil too. I run Mercury DFI oil in the engine which is brown.

January 9, 2017 at 3:08 am #330369

Bass Cat Boats
Keymaster

It definitely could be the upper seal. Nothing they did should cause this as in and out venting is easy on the case.

January 9, 2017 at 3:16 am #330385

Bass Cat Boats
Keymaster

Bass Cat Boats wrote:It definitely could be the upper seal. Nothing they did should cause this as in and out venting is easy on the case.Thanks. I definitely was not blaming them. Ive been very happy with H2Os service. I was just curious if it could just be an overflow or something simple before I had to take off work and drive 80 miles one way to dealer.

January 9, 2017 at 3:27 am #330406

Bass Cat Boats
Keymaster

Trim it up and check it for leaks then if it quits it should be good.

January 9, 2017 at 2:28 pm #330433

Mainliner61
Participant

Mechanic said that oil will come out there when oil is full. Its a vent. All is normal

January 9, 2017 at 3:11 pm #330452

Redngoo
Participant

Glad to hear everything is normal. Kno your are to!! I changed mine twice a yr. Generally myself. The service manual mention to remove 1 oz after filling.. did he say it was relieving pressure thru the shifter seal ?2013 PANTERA 2MERCURY 200 PRO XSMINNKOTA 80LB FORTREX25 fury

January 9, 2017 at 3:33 pm #330471

Anonymous
Inactive

Mainliner61 wrote:Mechanic said that oil will come out there when oil is full. Its a vent. All is normalI hope thats all it is. I had a very similar issue on a 2015 250 ProXs, turned out to be a bad bushing in the L/U, a torque master. One hint, clean up the mess around the L/U, trim the motor down and check later to see if there is any new oil escaping the L/U. No point in refilling the L/U if youre losing oil. Gotta take it off and check.

January 9, 2017 at 4:38 pm #330492

oldtimer57
Participant

Where is there a “vent” in the lower unit? Never heard of this. A vent is bi-directional and you dont want water intrusion. The normal L/U test is to pressurize it starting at 10psi and verifying NO leaking or venting at all…2008 Pantera Classic2014 Mercury Pro XS 200
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