Oil change question.
Thread Starter
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Seasoned HDF Member
Joined: Sep 2010
Posts: 10,236
Likes: 798
From: Indiana
Oil change question.
I was speaking with a gent who builds choppers at the gas station (he said "nice EVO" to start the conversation) and he was telling me that when I drain the oil tank, I'm really only getting 1/2 of the old oil out of my bike.
He told me how to get the rest out, but, it seemed like serious overkill to me.
Do I need to take the extra step to get the old oil out of the CC?
He told me how to get the rest out, but, it seemed like serious overkill to me.
Do I need to take the extra step to get the old oil out of the CC?
Stellar HDF Member
Joined: Jul 2011
Posts: 2,583
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From: Boston, MA
Was he a Scavenger rep? Lol
The Softail is a slower process and one that takes me extra time because I do it like this. I open the oil bag then its drain hose. Take off the oil filter and walk away. It takes all of thirty minutes to drain most of it out. I truly don't know of a way to pump it out from any orifice. THC may know of a better way but if you add 3 quarts my way you're liable to be over-filled.
The Softail is a slower process and one that takes me extra time because I do it like this. I open the oil bag then its drain hose. Take off the oil filter and walk away. It takes all of thirty minutes to drain most of it out. I truly don't know of a way to pump it out from any orifice. THC may know of a better way but if you add 3 quarts my way you're liable to be over-filled.
Seasoned HDF Member
Joined: Aug 2007
Posts: 8,195
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From: NW AR
I think he didn't know what he was talking about. Being able to ID an Evo does not make one an expert. Was he suggesting cranking the motor to get anything left in the cases out? The factory shop manual specifically says "don't do that." Other than that, where could the oil be? Handlebars? Seat? Back fender?
Just drain the oil tank, put a new filter on and call it good.
Just drain the oil tank, put a new filter on and call it good.
Thread Starter
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Seasoned HDF Member
Joined: Sep 2010
Posts: 10,236
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From: Indiana
Exactly what he suggested.
Seasoned HDF Member
Joined: Dec 2010
Posts: 7,736
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From: Coromandel Peninsula New Zealand
Some stays in the lines and anything below the drain outlet in the tank. You can buy a scavenger device that fits onto the motor and gets a fair amount of oil out too.
But basically, the bit that is left in is only going to make your oil dirty...oh dear...just remembered this is Traildog I am talking to....
But basically, the bit that is left in is only going to make your oil dirty...oh dear...just remembered this is Traildog I am talking to....
Last edited by Spanners39; May 18, 2014 at 10:22 PM.
Elite HDF Member
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From: Canton, Michigan
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Dirt don't hurt
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From: Haslet Texas
I think he didn't know what he was talking about. Being able to ID an Evo does not make one an expert. Was he suggesting cranking the motor to get anything left in the cases out? The factory shop manual specifically says "don't do that." Other than that, where could the oil be? Handlebars? Seat? Back fender?
Just drain the oil tank, put a new filter on and call it good.
Just drain the oil tank, put a new filter on and call it good.
You do realize that is a seriously stupid move right?
It is also a damn good way to kill a motor!!!
If you are dead set on changing the oil in the cases yes I know how but it isn't worth the effort.
All you need is a piece of hose, a funnel and about 3 quarts of oil that is going to go to waste. No need to buy a scavenging unit.
IMO it is a waste of time and money.
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Stellar HDF Member
Joined: Jan 2013
Posts: 2,747
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From: Vermont
I wouldn't do it on a customer bike. But my own. Always fired them for 25 seconds to empty Never blew one up yet. ( my 98 is the newest I have ever owned)Had them apart no real starvation problems. But having said this if you don't build engines. DONT DO IT I think the lifters might take a beating worse than anything
Road Warrior
Joined: Jan 2008
Posts: 1,541
Likes: 32
I use a scavenger on my 96" Dyna. It gets about an extra 28 ounces of black oil out of the engine. When I change oil I really change all the oil. Bought the scavenger from a forum member after he traded in his dyna. My last oil change was 3,800 miles and the oil is still golden colored. Takes an extra 5 minutes for me. Leaving the extra 28 oz of old oil in the engine doesn't hurt the engine it just makes your new oil turn darker sooner. If the scavenger kit was $10 I believe most folks would buy one just to try it. I kinda like the idea myself.
To each his own.....
To each his own.....