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General Minitrail Talk
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Oil pump 69 z50 k1
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<blockquote data-quote="JHminitrails" data-source="post: 194860" data-attributes="member: 16963"><p>First, you can easily remove your stator plate and check your oil pump drive gear engagement. Loosen the chain off and see if you can spin the gear and hear the oil pump rotors turning. Might be worth a final check before proceeding.</p><p>Whenever I rebuild any engine whether it be a small 50/70 honda or 300hp rotax seadoo engine, I always remove the spark plugs after filling the engine with oil, then crank them over until you see oil start flowing up to the camshafts and valvetrain. This is easily done on a z50 engine by using a drill to spin the flywheel counterclockwise. You can remove the lower RH cylinder head nut and copper washer while doing this and once you see oil flowing out around the stud, then you know the pump is working. Reinstall the nut and washer and then you can spin in some more to really get the oil into the cam and rockers.</p></blockquote><p></p>
[QUOTE="JHminitrails, post: 194860, member: 16963"] First, you can easily remove your stator plate and check your oil pump drive gear engagement. Loosen the chain off and see if you can spin the gear and hear the oil pump rotors turning. Might be worth a final check before proceeding. Whenever I rebuild any engine whether it be a small 50/70 honda or 300hp rotax seadoo engine, I always remove the spark plugs after filling the engine with oil, then crank them over until you see oil start flowing up to the camshafts and valvetrain. This is easily done on a z50 engine by using a drill to spin the flywheel counterclockwise. You can remove the lower RH cylinder head nut and copper washer while doing this and once you see oil flowing out around the stud, then you know the pump is working. Reinstall the nut and washer and then you can spin in some more to really get the oil into the cam and rockers. [/QUOTE]
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Oil pump 69 z50 k1
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