Amonza Posted June 26, 2010 Share Posted June 26, 2010 Hi guys first post on this forum and you guessed it, its a "help me please"! This is a problem that has vexed me for a little while now, and I realy would like to find an answer. Here goes. My wife rides a 2008 XVS650 custom, that we have owned since new, I do the wrenching and this is the bike in question. According to the manual at oil change there should be 2.6 litres (3.4 quarts)of oil to replace without a filter change and 2.8 litres (3.0 quarts)with a filter change. Now, the procedure that I employ at oil change time for all of our bikes (all Yammies too) is the same. Run it up to operating temp, which usualy involves a quick ride of about ten K's or more (6 miles +). Bring her back to the shed, sit her on the side stand (bike, not wife) no block under the stand, place an oil pan under her and whip the sump plug out, take the oil filler plug out as well, then remove the oil filter if that is being replaced. Walk away for about half an hour and have a coffee, a beer or whatever and leave the whole lot to drain. Return to the bike, take it off its side stand by sitting on it, and turn the motor over by running it for a seconds to pump any residual oil out that might be hiding in the motor somewhere, always pumps a little bit more out, then I leave the bike to drain a little bit more as I get ready to refill, ten minutes, maybe. With this XVS650 I have only ever been able to drain about a litre of oil out of the motor, ever. I have checked its oil level prior to oil changes and that is OK, never low, always towards the upper mark on the sight glass. So after putting about a litre of oil back into the little cruiser, she is full again. Where is 1.6 - 1.8 litres hiding in this motor that can't be drained, and how do I get it out? Anyone have any ideas or experiences with this? I have been engaging a campaign of very frequent oil changes thus far, however as mileage climbs on this bike I would like to find an answer. Thanks in advance for any ideas or clues that you might have. Link to comment Share on other sites More sharing options...
mike1949 Posted June 26, 2010 Share Posted June 26, 2010 Very strange, very very strange, very very very strange. All I can humbly suggest is, are you actually taking out the sump plug? Link to comment Share on other sites More sharing options...
Amonza Posted June 26, 2010 Author Share Posted June 26, 2010 Very strange, very very strange, very very very strange. All I can humbly suggest is, are you actually taking out the sump plug? My response to that was…"well, of course"…then I grabbed the manual to check. But yes, I can confrim that I am removing the sump plug, the 17mm 'badword' on the left of the motor hidden behind the bottom frame rail. Link to comment Share on other sites More sharing options...
Moderator Cynic Posted June 27, 2010 Moderator Share Posted June 27, 2010 My response to that was…"well, of course"…then I grabbed the manual to check. But yes, I can confrim that I am removing the sump plug, the 17mm 'badword' on the left of the motor hidden behind the bottom frame rail. Are you SURE. I say this as you have to remove 3 bolts to change the oil properly on a TDR250 as the oil is pumped there are a couple of low spots in the box that have their own drains. Or, is it like some of the american farm machinery (potato potato) that have an oil tank that needs draining separately and that is where the rest of the oil is hiding? Link to comment Share on other sites More sharing options...
Ttaskmaster Posted June 28, 2010 Share Posted June 28, 2010 1/. Remove the oil filler cap on top of the sump, left side. 2/. Remove sump plug. 3/. Allow to drain completely. 4/. Stand bike upright for a couple of minutes just to check it has all drained. 5/. Leave drain pan in place while you change out the oil filter. Never had any problems. Link to comment Share on other sites More sharing options...
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