Leak!!! OMG!!! Not on a Harley!!!
Thread Starter
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Tourer
Joined: Jul 2009
Posts: 455
Likes: 2
From: Dallas, TX
Leak!!! OMG!!! Not on a Harley!!!
OK, I've got a leak (photo attached) which appears to be between the primary case and where the shift linkage is attached. I'm not a pro by any means but love to do things myself if possible. Is something like this from overfill, gasket failure or something bigger?
It's a slow leak and not a huge problem, but I'd like to take care of it nonetheless and without tearing everything apart if possible.
It's a slow leak and not a huge problem, but I'd like to take care of it nonetheless and without tearing everything apart if possible.
Road Warrior
Joined: Apr 2008
Posts: 1,899
Likes: 8
From: Aurora, IL
Looks like a shifter shaft seal. Its not hard to replace once you get the complete primary off the bike. Grab a service manual for your bike and read up on it. Once you read the manual, it will be very clear weather or not its something you feel you should tackle.
Outstanding HDF Member
Joined: Nov 2007
Posts: 2,289
Likes: 22
From: Beautiful Downtown Burbank
I wouldnt get too bent out of shape about it. Its a real common problem, no matter which model or year you have. Theres a seal behind the shift arm thats pressed into the tranny case. To replace it, you gots to pull the inner primary, remove the shift arm, and pop the old seal out. Then press a new one in. As a word of caution before you get your hopes up. grab ahold of the shift arm and pull up on it. If theres vertical movement, then the bushing is shot and thats why its leaking. I'd lay odds you dont want to know whats entailed in that job...
If youre up to the task, and since you'll be in there, might as well check the ring seal between high gear and the mainshaft and see if its walked out, and the quad seal behind the drive pulley. Ought to replace those sticky little mothers while youre in there. If the ring seal did walk, keep a close eye on whether the bearings behind it hasnt pushed it out.
If youre up to the task, and since you'll be in there, might as well check the ring seal between high gear and the mainshaft and see if its walked out, and the quad seal behind the drive pulley. Ought to replace those sticky little mothers while youre in there. If the ring seal did walk, keep a close eye on whether the bearings behind it hasnt pushed it out.
Thread Starter
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Tourer
Joined: Jul 2009
Posts: 455
Likes: 2
From: Dallas, TX
Thanks for the help. I'll tackle this once the weather gets cold. I have the manual and don't mind tackling something like that. But I'm a little pissed to be losing the brand new fluid I just put in.
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Here you man its on this pic i circled the gasket for you, 100% DIY job.." you dont have to remove the clutch or compensator to get to the gasket", i recommend you put a little Red RTV high heat silicon on the new gasket when you replace it, b/c the OEM gasket is crappy, hence the reason for the constant leaking. hope this helps buddy!!
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Road Warrior
Joined: Apr 2008
Posts: 1,899
Likes: 8
From: Aurora, IL
FYI, I use ATF in the primary, 20w50 in the engine, and 75/140 in the trans. Sometimes seals like yours and the inner primary or trans are hard to pin point. With three different fluids, its a no brainer which one is leaking.
Last edited by redrubicon2004; Oct 30, 2010 at 08:56 PM.