When changing oil, why take off primary cover?
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Tourer
Joined: Jun 2010
Posts: 444
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From: Andersonville, East TN.
When changing oil, why take off primary cover?
Just wondered, seems on the oil changing forums, they mostly talk about how to stop the oil spills when changing the filter. Then everyone talks about when they refill the oil they have to take off the primary cover to pour the new oil in. Why not just pour the new oil through the dipstick hole like on every other metric motorcycle I've owned???
Tourer
Joined: May 2009
Posts: 389
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From: Third Coast TX
The primary chaincase has NO dipstick or fill hole. The engine crankcase HAS a dipstick / fill hole. To service the PRIMARY oil you need to remove the cover to refill, unless you have an earlier modle with a tensioner inspecion plate.
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From: Here
Unless you take off the Derby cover, the only hole you have in the 96 and 103 engine primary's is the drain hole. Other than putting oil back in. you can check your Clutch adjustment with the Derby cover off.
Last edited by Ronp42; Oct 7, 2010 at 08:31 PM.
Banned
Joined: May 2010
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From: Dirty Jersey
Just wondered, seems on the oil changing forums, they mostly talk about how to stop the oil spills when changing the filter. Then everyone talks about when they refill the oil they have to take off the primary cover to pour the new oil in. Why not just pour the new oil through the dipstick hole like on every other metric motorcycle I've owned???
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Club Member
Joined: Jan 2005
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From: GA
I know on some motorcycles the oil is shared b/w the engine, tranny and primary. On the bigger HD motors (can't remember on Sporty) the only way to fill the primary is through the derby (not the primary cover as you say) cover. I use a different oil with friction modifiers in the primary anyway so shared oil wouldn't work for me. HDs have been this way as long as I have had them. Why compare a Harley to a metric anyway?
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Thread Starter
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Tourer
Joined: Jun 2010
Posts: 444
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From: Andersonville, East TN.
Mmmmm...I don't know anything about the different oils...Wow!.....All my previous metric bikes have had only crankcase oil....Thats why I took it to the dealer for the break-in service!...This is all great info guys!...another stupid question, just how many different engine/trans oils does my 2010 SG have???....I'm a newbie btw....lol
Outstanding HDF Member
Joined: Jul 2006
Posts: 2,876
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From: Washington State
Mmmmm...I don't know anything about the different oils...Wow!.....All my previous metric bikes have had only crankcase oil....Thats why I took it to the dealer for the break-in service!...This is all great info guys!...another stupid question, just how many different engine/trans oils does my 2010 SG have???....I'm a newbie btw....lol