Checking oil on a GL1800


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Gitpickin Winger
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Checking oil on a GL1800

Postby Gitpickin Winger » Wed Sep 05, 2012 12:46 pm



OK...don't laugh everyone :mrgreen: but how do most of you check your oil on your Wing? The instructions in the manual more or less say to run the engine for a while, shut it down and after a spell insert the dipstick WITHOUT screwing it in to check oil level. This seems wrong to a non-mechanic like me. On my automobiles, I don't insert the dipstick part way to check it! All these years of Winging, I check mine this way: On a cold engine, I remove the dipstick, wipe it off...then screw it in all the way, remove it and check the level. Doesn't this make the most sense? (without screwing it in all the way, a 'cold engine' oil check barely registers any oil at all on the stick!)



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WingAdmin
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Re: Checking oil on a GL1800

Postby WingAdmin » Wed Sep 05, 2012 1:25 pm

Gitpickin Winger wrote:OK...don't laugh everyone :mrgreen: but how do most of you check your oil on your Wing? The instructions in the manual more or less say to run the engine for a while, shut it down and after a spell insert the dipstick WITHOUT screwing it in to check oil level. This seems wrong to a non-mechanic like me. On my automobiles, I don't insert the dipstick part way to check it! All these years of Winging, I check mine this way: On a cold engine, I remove the dipstick, wipe it off...then screw it in all the way, remove it and check the level. Doesn't this make the most sense? (without screwing it in all the way, a 'cold engine' oil check barely registers any oil at all on the stick!)


That's incorrect. On every Goldwing that has a dipstick (GL1200, GL1500, GL1800), the dipsticks are calibrated to be read when the dipstick is NOT screwed in at all. You remove the dipstick, wipe it off, place it back in the hole until it stops, but do NOT screw it in. Wait a few seconds, then remove it and check the level.

If your oil check barely registers any oil at all on your dipstick when you don't screw it in, it means you are running your motorcycle with a dangerously low level of oil!

From the GL1800 owner's manual:

Check oil procedure
Check oil procedure

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thrasherg
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Re: Checking oil on a GL1800

Postby thrasherg » Wed Sep 05, 2012 3:18 pm

What wingadmin says above, it is the same for almost every motorbike I have ever owned.Start the engine to get the oil distributed around the engine (and fill the oil filter and Cam lobe oil baths) then stop the engine and check the level. The engine is still cold really, but oil is where it is meant to be and you are just checking that there is enough left in the crankcase to lubricate the gear box and maintain a correct operating temperature..

Gray

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redial
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Re: Checking oil on a GL1800

Postby redial » Thu Sep 06, 2012 3:40 am

If you start the engine to circulate the oil already there, arent you in danger of overfilling the oil? I was always taught to check the oil without having started the motor, so that you get the oil that is 'at rest', rather than scattered all around the galleries?

Inquiring minds would like to know.
Len in Kapunda

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WingAdmin
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Re: Checking oil on a GL1800

Postby WingAdmin » Thu Sep 06, 2012 9:07 am

You don't want the oil filling up tappets and all over the engine - but you also don't want the engine bone-dry because it's been sitting for hours. So you should do both what thrasherg and the Honda manual above say: Run the engine for at least 3-5 minutes, shut it off, wait 2-3 minutes for the oil to drain back to the sump, then check the level. This coats the various parts with an oil film, but lets any excess drain back to the sump.

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thrasherg
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Re: Checking oil on a GL1800

Postby thrasherg » Thu Sep 06, 2012 11:03 am

I am also a strong believer that you can never have too much oil!! :D I don't mind if I have a bit more than maximum in my engine, as long as it's not blowing out the crankcase breather pipe I doubt it will harm anything, and the larger the quantity of oil, the cooler it will stay!! But as wingadmin says, follow the instructions and let the engine stand for a few minutes before taking the measurement and it will be good.

When I was a pilot, the saying was "the only time you can have too much fuel is when you are on fire!!". Keep the oil level high!!

Gary

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Re: Checking oil on a GL1800

Postby WingAdmin » Thu Sep 06, 2012 11:27 am

If there is too much oil, the crankshaft can whip the oil into a foam, which not only insulates heat (instead of carrying it away), but lubricates very poorly. Enough excess oil can cause enough pressure to blow out seals.

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thrasherg
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Re: Checking oil on a GL1800

Postby thrasherg » Thu Sep 06, 2012 12:22 pm

Thanks Wingadmin, I knew seals could get blown if the oil level was high enough to block the crankcase breather, but I am assuming in all this discussion we are at the max level on the dipstick or a couple of mm close to it, so there should not be an issue.. I still follow the manual, but always try to keep as much oil as possible.. Just trying to make the point that everyone should keep the level near max not min.. Sorry to hijack the thread. :P

Gary




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