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Buell Motorcycle Forum » Old School Buell » Archive through August 31, 2009 » Burning 1 qt every 1k miles « Previous Next »

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Archive through August 24, 2009Jramsey30 08-24-09  02:18 pm
         

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Blake
Posted on Monday, August 24, 2009 - 05:48 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

And it starves the engine of oil during the next start-up. It's a really bad idea.

I used to be anal like that, but rather than run the engine dry, I'd waste a quart of fresh oil to partially refill, then start the bike and let it run for a minute, then drain as per normal. One quart is low, but is enough to keep the engine fully supplied, so running for just a minute at a fast idle was fine as the oil didn't have a chance to get cooked.
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Blake
Posted on Monday, August 24, 2009 - 05:48 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Even that is silly though.
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Blake
Posted on Monday, August 24, 2009 - 05:50 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Back to the opening question in this thread... run a compression and leak-down test on each cylinder. Be sure the engine is hot for each. That will tell the likely source of the oil loss. Most likely it's valve guides/seals.
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Jramsey
Posted on Monday, August 24, 2009 - 06:34 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Blake,if the oil tank is full you don't starve anything as long as you shut the motor off before the oil tank runs dry.

It's normal normal routine for the stockcar guys around here that run dry sumps.
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Pkforbes87
Posted on Monday, August 24, 2009 - 07:15 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I think you guys are more worried about it than I am. The compression numbers look good, plugs look good, and the bike runs like a scalded dog. I'm not going to worry about a little oil loss that's easy enough to stay on top of.

There have been some interesting theories discussed here, but personally I'm sticking with the FSM oil change procedures.
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Blake
Posted on Tuesday, August 25, 2009 - 11:10 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

JRamsey,

Gotcha. Had assumed he was draining with tank empty.
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