General > Victory Empulse
Oil leak from transmission fixes?
shayan:
I very recently completed 10k miles and observed some leak around the plastic cover around the transmission/motor area on the left hand side of the bike. i took it to the local dealer in San Jose to get it checked and they mentioned that the leak was not much, but it was probably due to a failed gasket or housing inside the transmission. And unfortunately they said that they could not work on any repairs on the bike.
My best guess is that the gaskets in the transmission needs replacement and i may need to find someone to do this job. Any thoughts would help!
-Shayan
Leander:
Is it oil or coolant?
oil would be dark.
coolant would be transparent.
siai47:
Hopefully it's an oil leak and not coolant. A slight oil leak is easier to live with than a coolant leak in the motor. The dealer you took it to specifically said "transmission" so hopefully that's where the leak is. When you say the "leak around the plastic cover" is it coming from the round cover at the end of the motor or is it further back near the chain sprocket? The motor itself has no oil in it to leak, only coolant. Behind the motor there are two places that could leak transmission oil--the output shaft seal where the front sprocket is attached and the gear shift shaft just below it. In addition, there could be oil coming from the transmission breather but it would be noticeable as it would get over a lot of parts. You could also be leaking brake fluid from the clutch slave cylinder which is mounted directly in front of the forward chain sprocket. If it is leaking enough to leave an oil spot on the floor while sitting then what you want to do is clean the entire transmission with a degreaser, dry it off and park the bike until you see a drop of oil or coolant. Then follow a line straight up from the floor to the area on the bike where the leak is coming from. Because the bike sits on a side stand and leans to the left, the leak could be on the right side and just flowing to the left before it drips off. So look for any traces of oil that might have run under the motor/transmission. If it isn't coolant (and it's a slow leak) I would just keep an eye on it. If it is coolant it's possible the leak is at the coolant hose connections to the motor. However, there is a thread about coolant leaks it the motor itself which would be the worst situation to have.
shayan:
--- Quote from: Leander on May 06, 2019, 03:24:30 AM ---Is it oil or coolant?
oil would be dark.
coolant would be transparent.
--- End quote ---
The dealer did confirm that there is no coolant leak from the motor and that it is indeed an oil leak.
I got some of this liquid on my hand after i ran my finger over the part where the oil was leaking and it was black. The same liquid after service (transmission oil change) was not black or transparent anymore. I could only observe it to be a high viscous fluid (hence assuming its not coolant).
--- Quote from: siai47 on May 06, 2019, 07:45:54 AM ---Hopefully it's an oil leak and not coolant. A slight oil leak is easier to live with than a coolant leak in the motor. The dealer you took it to specifically said "transmission" so hopefully that's where the leak is. When you say the "leak around the plastic cover" is it coming from the round cover at the end of the motor or is it further back near the chain sprocket? The motor itself has no oil in it to leak, only coolant. Behind the motor there are two places that could leak transmission oil--the output shaft seal where the front sprocket is attached and the gear shift shaft just below it. In addition, there could be oil coming from the transmission breather but it would be noticeable as it would get over a lot of parts. You could also be leaking brake fluid from the clutch slave cylinder which is mounted directly in front of the forward chain sprocket. If it is leaking enough to leave an oil spot on the floor while sitting then what you want to do is clean the entire transmission with a degreaser, dry it off and park the bike until you see a drop of oil or coolant. Then follow a line straight up from the floor to the area on the bike where the leak is coming from. Because the bike sits on a side stand and leans to the left, the leak could be on the right side and just flowing to the left before it drips off. So look for any traces of oil that might have run under the motor/transmission. If it isn't coolant (and it's a slow leak) I would just keep an eye on it. If it is coolant it's possible the leak is at the coolant hose connections to the motor. However, there is a thread about coolant leaks it the motor itself which would be the worst situation to have.
--- End quote ---
Thank you for the detailed notes @siai47
I have attached a couple of pictures and as you can (hopefully, because the pics are not of great quality) see, the leak is not much. I did not see any drips of oil in my parking spot over the weekend. What i cannot clearly see is where the oil leak is originating from. It is getting out of the gap in the black cover though. So looking at the pictures and reading through your response, it does not seem like a brake fluid leak?
-Shayan
Leander:
If the oil comes out from the left side where the motor cooling mantel meets the gearbox, then the o-ring on the motor on the inside of the gearbox is leaking.
That's an easy fix but jou will need to take the motor out of the gearbox and thus disconnect the cabling on the motor. and remove the cooling ports (easier than trying to take the hoses of).
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