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I don't think oil will give the best effect. I've heard of using kerosene and even pressurizing it. Some will say you will never get all the small fragments out of the many nooks and crannies. Still, I think I'd be tempted to do whatever I could in that situation where there may be metal fragments.
Good point. Kerosene would splash around better than oil, hopefully levitating any carrying out pieces still laying on the bottom.
Cleaned all that I could. Cam plate is good. Passages in and out of the cam housing are clear. Pulled the pressure pin, spring and checked. Even flushed the oil pan with more oil.
Only place I can think that might cause issues later is the bottom of the engine. Small pieces circulating everywhere.
Thoughts?
Here are my thoughts.....
The only way to guarantee you won't have any future problems is to split the cases.... And if Dyna oil pans are baffled like touring pans, either disassemble the baffling or get a new pan. It doesn't take a very big piece of debris to clog a lifter and starve your top end of oil...
However, splitting the cases is a big job. I won't lie and say that I wouldn't try to clean it and avoid splitting the cases. I would use what I saw during the teardown, inspection, and cleaning as my guide. I would also listen to that little voice in the back of my head that always seems to know if I am making a good decision, or just being lazy and taking a short cut.
We were not there for the tear down, inspection, and cleaning. You alone have that first hand viewpoint for what has happened so far. So you are the best one to decide about if the cleaning was good enough. Plus, you are the one at risk of a bad decision.
You are reassembling, so it would appear your decision is made. I cannot say I agree or disagree.
For what it's worth, I know of a couple people with issues from debris in the cam chest (one tensioner disintegration and one inner cam bearing failure). Neither split the cases. On the inner cam bearing failure, he was fairly certain he accounted for all the debris. The tensioner failure said, "I got all the big pieces. It's only plastic. The oil filter will handle any I missed."
I was OK with the first decision, but I was worried about the second one.
Both put many more miles on their bikes without any issues.
I wish you well with the outcome..... Follow what that little voice in the back of your head is telling you, and you will be OK....
Last edited by hattitude; Oct 31, 2024 at 11:28 PM.
Update your reference to include oil to the lifters.
Thanks. Wasn't too clear. For those that may not know. That's not the actual piston cylinders. (There lubrication comes from splash and in a TC also injectors that work only above idle when the designed 9-12 lb oil pressure gets to 12-18psi.
The following for reference.
In that sketch above, 11 and 12 of the cam plate supply oil to 13 and 14 in the case middle picture and oil enters lifter in this shot 16 and 17.
It keeps lifter at zero lash over rode by valve springs pressure. The excessive oil goes up the hollow pushrod and lubricates the rocker arm box area.
.......
Last edited by Jackie Paper; Nov 3, 2024 at 06:57 AM.
Putting in the cam plate and the shafts are compressed a little towards each other making it rather dicey pushing it in. Ideas?
I swear I didn't have this issue last time. Thx.
Putting in the cam plate and the shafts are compressed a little towards each other making it rather dicey pushing it in. Ideas?
I swear I didn't have this issue last time. Thx.
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