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The RK does have an oil tank, located under the transmission...
And, the oil could also go into the crank case. It's a guess until somebody pulls the derby cover (have oil catching pan ready below), or the crank case plug.
If i understandcorrectly, you have changed the oil and added 4 Qts of oil. Everything was fine before the oil change. You rode 20 miles and the oil light came on so you added a Qt. You now have 5 Qts of oil in your system and can't see it on the dipstick and have no signs of leaking. The crack seal is not leaking as the primary level is normal.
So where has 5 Qts of oil went?
Snap a pushrod cover off and see if the rocker boxes unload the lost oil....
There really isn't anywhere a gallon of oil can hide? Check the trans and primary but I'd say ya got a scavenge pump/pick-up problem if oil isn't getting back to the tank. Pull the engine drain and see what comes out? I bet it and the primary are really full. My guess is a bad filter. First, I'd replace it and see what happens??
Last edited by 0ldhippie; May 23, 2013 at 01:20 PM.
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