Oilchange methods

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rockyrr

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Joined
May 5, 2007
RO Number
26166
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I have a Yamaha F150 4 stroke on my boat. My boat is kept on a lift. To change oil I always drained it while standing in a Jon boat (not too stable that way). I'd like to switch to pumping out the old oil via the oil gauge pipe. I'm looking for some recommendations on a good, reasonably priced pump. Also, any tips would be welcome.

Thanks
 
The oilboy vacuum pump works well for me.
 
I have an electric pump that mounts on a plastic bucket. It came with the boat. It's Jabsco and costs about $150 at marine retailers.

If I had the choice (I don't), I would drain the oil rather than suck it out with a pump. Draining gets more of the old oil out than sucking with a pump.
 
I use an in expensive drill-mounted pump available at most hardware stores for less the $10.
 
I have a vaccume deal - Tempo I think - works well. Have used the drill pumps also - either one will work fine.
 
Rocky, do you have experience with pumping? I only ask because I would much rather drain than deal with the uncertainties of pumping. You never get everything and it is messy. Also, can you be sure to get to the bottom of your "pan" using the pressure guage acceess?

To answer your question, I found a suction pump to be easier than electric.
 
I like the Oil Boy as well but agree with Walshie, draining is much better. Only suck oil thru the dipstick if draining is not an option.
 
+1 on draining if possible. Now way to get a pan under to drain my boat or SeaDoo, so I pump it out.
 
I have been using an electric 12 volt pump (Sea Dog) for at least 15 years with good results. It came with extra hoses and fittings. Under $25.00 online today.
 
Since pumping isn't the preferred method, but often the only way to remove engine oil, I sometimes buy a couple of quarts of el cheapo motor oil, and dump them in the engine after it has been sucked dry. Then I pump out those last two quarts of el cheapo, change the filter and refill the crankcase with my preferred oil. It's just one of those anal boat things I do, probably doesn't make a dimes worth of difference in engine longevity.
 
As far as I know it's illegal to drain machinery into the bilge...

I use a hose connected to the drain fitting and a $10 drill pump to pump it into a 5 gal can. Works for me.
 
How does your dipstick connect to your oil pan? On recently made Volvo engines the dipstick tube connects to a fitting on the bottom of the oil pan. Sucking oil out this tube will remove as much oil as if you have removed the drain plug. On these engines there is no benefit to using the drain plug.

Using the Tempo vacuum pump there is absolutely no mess. I can change oil in two engines without spilling a single drop of oil in about 15 minutes.

Mike
 
Tried the electric pumps, but weren't that happy with them; slow & hard to get primed & pumping. Now use the larger size Tempe pump. Can pump out 22 qts from 2 Old Detroits in 20 minutes or less; Little if any mess. Engine room needs to be big enough to get pump unit in & have access to it for dumping. Only takes a couple of strokes to get the oil moving. Great unit.
 
Bigboy Topsider MVP vacuum pump. Sucks the oil out of my Crusader 305s in about 10 minutes. No mess. Agree that draining warm oil is best method, but vacuum pump works well when there isn't the space underneath to place a drain pan.
 
Thanks, folks....a lot of good feed back. Like I said, boat is on a lift and I have to stand in a Jon boat (which rocks back and forth) while trying to remove plug, drain, etc. It has gotten messy at times.

Thanks again.
 
quote:
Originally posted by rockyrr

Thanks, folks....a lot of good feed back. Like I said, boat is on a lift and I have to stand in a Jon boat (which rocks back and forth) while trying to remove plug, drain, etc. It has gotten messy at times.

Thanks again.

Click to expand...

I'm assuming you don't have a trailer.

Woulld it be easier if you lowered the boat to where you could sit in the jon boat?
 
quote:
Originally posted by meide

On recently made Volvo engines the dipstick tube connects to a fitting on the bottom of the oil pan. Sucking oil out this tube will remove as much oil as if you have removed the drain plug. On these engines there is no benefit to using the drain plug.
Click to expand...


Can you determine this by looking at the dipstick? I have a Volvo TAMD41P Diesel from 1999. I try to change the oil after a trip where the engine is fully warmed up, yet it seems I can only get two gallons of new oil in but the stated capacity is two and a half gallons.
 
tilt the motor up, remove the drain plug in the rubber hose at the back of the upper drive section. tip the motor back and drain the oil into a gas can with a funnel. tip it back up to put the plug in and you are good to go.

empty the gas can at the auto store fill it with gas and you're good to go
 
quote:
Originally posted by vic33004

tilt the motor up, remove the drain plug in the rubber hose at the back of the upper drive section. tip the motor back and drain the oil into a gas can with a funnel. tip it back up to put the plug in and you are good to go.

empty the gas can at the auto store fill it with gas and you're good to go

Click to expand...


It might even be a good idea pour a little shiny new oil in the crankcase before you start 'er up though. :D
 
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