scavenging oil
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Road Master
Joined: Aug 2008
Posts: 1,022
Likes: 70
From: Greensboro NC
scavenging oil
Anyone have tips on doing this in order to get all the old oil out of a bike during an oil change? I had a shop that was supposed to change the oil in my engine/trans/primary. Took them 5 qts of amsoil. I got back 2.5 qts. Needless to say I know that my engine oil requires 3 qts. WTH? Anyway this was last season and I am not planning on going back to that shop I am going to perform myself. Any suggestions?
Road Master
Joined: Apr 2009
Posts: 754
Likes: 24
From: Southern Maine
Road Captain
Joined: Mar 2008
Posts: 713
Likes: 55
From: Punta Gorda, Florida
These guys have a nice system that works great. http://www.roguechopper.com/
Cruiser
Joined: Sep 2010
Posts: 224
Likes: 6
From: Eastern Kansas
Drain the oil tank and disconnect the oil return line to the tank. Attatch a clear plastic hose to that return line, and aim it into an antifreeze jug or something similar. Refill the tank with new oil. Start the engine, and it will begin pumping new oil through the engine and the old filter, through the hose, and into the antifreeze bottle. When the dirty oil gets up to the 1 Qt. mark you should start to see clean new oil flowing through the hose. Shut off the engine, remove the old filter, and spin on a new, pre-loaded filter, & hook up your return line. Top off the tank, and you're done. It's more complicated if you have an oil cooler with a thermostat. It won't open up and flow unless it sees 180 degrees, so no flow through it with room temperature oil. So, I'd very carefully try the above method with a hot engine. I changed mine this way last month, and with the cooler, it took a little more than a quart to clear up.
Tourer
Joined: Jan 2008
Posts: 349
Likes: 1
From: Milford, Kansas
The system works very well. On a Softail service you only drain what's in the tank, there is oil in the engine you never change if you do not flush oil during an engine change. It's money well spent to ensure you are running fresh oil IMO.
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Ultimate HDF Member
Joined: Dec 2007
Posts: 6,186
Likes: 6
From: Gray's Creek NC
Yeah, and leave a quart of nasty oil in your engine, wtf? Why not just add some oil every time it gets low and don't change it at all? Maybe dump some sand in there too.
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Extreme HDF Member
Joined: Sep 2006
Posts: 10,033
Likes: 29
Sorry, but there are thousands of guys just dumping and refilling without prematurely wearing out their engines....If you feel the need go for it. My experience hasn't shown me any need to try and get every last drop out.
Stellar HDF Member
Joined: Dec 2005
Posts: 3,234
Likes: 107
Make your own puck.
1 - Perma-Cool 111 ž-16 Threads. $11.95 + 4.95 shipping.
2 - Watts A-300 nylon ˝ pipe to 3/8 barbed fitting. Lowes $1.72
1 - small loop of hose between barbed fittings
2' - hose to slide over the return line. 32 cents a foot at Lowes.
1 - Perma-Cool 111 ž-16 Threads. $11.95 + 4.95 shipping.
2 - Watts A-300 nylon ˝ pipe to 3/8 barbed fitting. Lowes $1.72
1 - small loop of hose between barbed fittings
2' - hose to slide over the return line. 32 cents a foot at Lowes.