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Join Date: Nov 2007
Location: Chandler, Arizona
I always put 4 qts. in mine. 4 qts. puts it just barely above the line. If you tilt the bike to the right just a few degrees, you will see the bubble. 4 qts. has never caused me any problems. My '85 Goldwing is the same way. It calls for just under 4 qts. But according to information I got on five different GW forums, it is common practice to put 4 qts. in.
I drain mine on the centerstand, with a 2x4 under the right side of the stand to tilt the bike a little to the left. I found the sidestand gets in the way of whatever you are draining the oil into. Also there is a screen, spring, and washer behind the drain that needs to be removed and cleaned. The screen is where the first evidence of internal problems usually shows up. There is an 0-ring on the drain plug you can replace if you notice any oil seeping out from around it. Be very careful not to overtighten the drain plug.
There is a drain plug on the bottom of the engine, but nobody seems to know why it is there, since the manual says to use the one on the side. I've had the bottom one out, and it didn't hurt anything, but I don't recommend using it as a drain plug. Unlike the one on the side, it is a steel plug, screwed into the aluminum cases, and if you overtighten it, it is likely to strip the threads in the case.
I am a motorcyclist, NOT a biker.
1997 Vulcan 750, purchased about a week ago
2006 Sportster 1200 Low
2013 Royal Enfield Bullet 500, converted to carb
2001 Yamaha XT225, heavily modified
2004 Honda Rebel 250
1979 Vespa P200E
2002 Vulcan 750 parts bike
1994 Yamaha XT225 parts bike