Oil Seepage around Crank Position Sensor - Victory Forums - Victory Motorcycle Forum
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post #1 of 13 (permalink) Old 06-01-2014, 03:09 PM Thread Starter
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Default Oil Seepage around Crank Position Sensor

Hi, all! As the thread's title suggests, I noticed a very thin amount of oil darkening the area around the crankshaft position sensor on my '06 Hammer. Suffice to say I'm rather disappointed that there's already oil leaking at 18.5K miles, given Victory's reputation. I've only had it since September, and only put 5000 miles on it, but it didn't seem that poorly taken care of when I got it. I've certainly been changing the oil at the recommended service intervals. What gives?
I went and pulled the sensor out to see if there was any damage, and all I can see is some black marks on one of the O-rings in there, presumably where the oil is coming out. Speaking of which, should there be two O-rings stacked like that? I look up the senor in Polaris of Portland's parts fiche and it doesn't say anything about the O-rings, so I really don't know. Lowly express technician that I am, all I know is that when an oil filter comes off, if it leaves behind its gasket and you put a new filter on without noticing, there will be seepage, so that seems a bit strange to me. Anyway... Anyone else ever had this problem before?

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Portland, OR

Last edited by doctormeanberger; 06-01-2014 at 03:33 PM.
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post #2 of 13 (permalink) Old 06-01-2014, 06:19 PM
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never heard of stacking o-ring. Maybe factory screw up

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post #3 of 13 (permalink) Old 06-04-2014, 12:35 AM
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Service Manual 2006 Hammer download on Bbob signature

Crank Position Sensor, Chapter 17.9

Very easy to fix..... it looks like it is a soft crush ring on the picture?? anyway, just bring the sensor to a rubber O-ring shop and buy a new O-ring or even a fraction thicker one and test it??

PS on my 2013 jackpot this sensor is not on the same position....

So where would the 2013 sensor be located at???

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post #4 of 13 (permalink) Old 06-04-2014, 01:35 AM Thread Starter
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Well, yeah, that's what I did: I just got a slightly thicker o-ring from work and put that in there. I should probably get me to the local Polaris dealership to find the right one, but this has stopped the problem for now, I think. I'm just rather surprised that my bike started seeping so soon, especially since these bikes are usually so reliable.

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post #5 of 13 (permalink) Old 06-04-2014, 01:43 AM
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O-rings are "great" for years and years, if they are not faulty....

Just your O-ring was damaged or dirt or 1 in a million cracked , bad luck could happen even to a airplane or race-car,

did you see anything wrong with the O-ring that was leaking before???

good you found the leak and good you had an easy fix....

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post #6 of 13 (permalink) Old 06-04-2014, 01:43 AM
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Quote:
Originally Posted by doctormeanberger View Post
Well, yeah, that's what I did: I just got a slightly thicker o-ring from work and put that in there. I should probably get me to the local Polaris dealership to find the right one, but this has stopped the problem for now, I think. I'm just rather surprised that my bike started seeping so soon, especially since these bikes are usually so reliable.
If the thicker one stopped the leak I would just leave it in as long as it seats and doesn't leak why worry? O-rings can be found about anywhere for a lot cheaper than you will pay at the dealer.

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post #7 of 13 (permalink) Old 06-04-2014, 04:19 AM
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Quote:
Originally Posted by doctormeanberger View Post
Well, yeah, that's what I did: I just got a slightly thicker o-ring from work and put that in there. I should probably get me to the local Polaris dealership to find the right one, but this has stopped the problem for now, I think. I'm just rather surprised that my bike started seeping so soon, especially since these bikes are usually so reliable.
8 years old is not "soon".
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post #8 of 13 (permalink) Old 06-04-2014, 04:53 AM
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Quote:
Originally Posted by doctormeanberger View Post
I'm just rather surprised that my bike started seeping so soon, especially since these bikes are usually so reliable.
Yes, weeping out a little oil mist makes the bike completely unreliable. I'd stay close to home if I were you. I'm sure it will self destruct or spontaneously combust any minute now.

My bike is also an '06... but it has around 80K miles. Doesn't leak a drop of anything. It just goes and goes and goes. Obviously you got a lemon. You should file a law suit.

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post #9 of 13 (permalink) Old 06-04-2014, 10:19 AM
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Quote:
Originally Posted by half_crazy View Post
Yes, weeping out a little oil mist makes the bike completely unreliable. I'd stay close to home if I were you. I'm sure it will self destruct or spontaneously combust any minute now.

My bike is also an '06... but it has around 80K miles. Doesn't leak a drop of anything. It just goes and goes and goes. Obviously you got a lemon. You should file a law suit.


Mr Meanberger, glad you figured out the problem and luckily it was not a major one.

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post #10 of 13 (permalink) Old 06-05-2014, 12:25 AM Thread Starter
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Quote:
Originally Posted by BP6666VR View Post
did you see anything wrong with the O-ring that was leaking before???
Well, some of the enamel was sticking to the crankcase, I suppose.

Quote:
Obviously you got a lemon. You should file a law suit.
Good call. I might even be able to sue in advance for my bike's future explosion while I'm riding it.

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Portland, OR
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