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Remove the engine from the KDX 220 and placed it on my workbench with a cylinder parallel to the workbench and the Oil & a little left over antifreeze drain from the water pump outlet hose. There wasn't much antifreeze because I drained it before removing the engine. But it seems all the gear oil drained through there. Is it because I rested the motor in that unnatural awkward position or is there a seal bad. I'm assuming the only place were gear oil can drain out is through the overflow?

Francis

Hi, there is an oil seal, a bearing and a mechanical seal in the water pump shaft. If the engine is loosing oil through the wip hole or the water pump drain then you need to replace at least the seal and bearing. Hope this helps

If you are saying that your gear oil drained out throught the water pump outlet you have a problem. If your waterpump seal is bad you would normally see your oil being grayish instead of black.

I First thought it was coming from the Cylinder exhaust exit because of the way I had rested it on the bench. Then thinking, oil shouldn't come out of there anyway. So I cleaned the bench spotless and rested the engine the same way, then wedged it an inch further and left it overnight. The next day it was obviously the oil drained from the water pump hose outlet.

So, am I correct thinking that no gear oil can exscape the gearbox except through the gear box breather, no matter which way the engine is tilted.


Francis

Yes, assuming all your seals are good.