Oil leak

mhenj

Member
Joined
Feb 11, 2024
Total Posts
28
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Location
Pittsburgh
hey all, started getting this oil leak around the actuator cover when I start the engine. First inclinations on what the cause / source could be ?

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Little oring behind those screws have failed or are missing.
 
Ah ok, that would make sense. Just put in new ones but I may have fitted them incorrectly
If those allen-headed screws have threads all the way to the head, that could be part of it. The factory JIS screws are not threaded near the head of the screw so the o-ring can seal properly.
 
If those allen-headed screws have threads all the way to the head, that could be part of it. The factory JIS screws are not threaded near the head of the screw so the o-ring can seal properly.
they are threaded all the way to the head, so that makes complete sense. These were replacements I got via those guys in Houston, I will most likely try to get the correct JIS screws as to not constantly be running into issues with the o rings
 
they are threaded all the way to the head, so that makes complete sense. These were replacements I got via those guys in Houston, I will most likely try to get the correct JIS screws as to not constantly be running into issues with the o rings
I’ve got those same ones. Make sure to clean the “seat” part and I went with a slightly fatter o-ring, helps to out a little oil on them ahead of time.
 
What about the drip, on the bottom of that exhaust pipe?
Oh man - I had to pull it up on laptop to see that... There's also what appears to be a drip landing on top of the stator housing as well, so something could be dripping off the fins behind that exhaust and just happen to settle in those countersinks for those screws. Going to need to take a look behind the exhaust to confirm.
 
Yep, and with what seem to be streaks on the muffler heat shield it does makes you wonder about fork seals too.
 
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