I have a 717 with a destroyed rotary valve gear. My problem is I can not find why the gear stripped . There is no damage on the valve that would indicate a object stopped the rotation of the valve. What else would cause the failure? There was oil in the chamber. There was brass stuck in the steel crankshaft gear. I have cleaned this gear up and it looks ok. I would like to use the crank and buy the SBT rv shaft and gear only. Is this ok to reuse this crankshaft. Is it ok not finding the cause of the failure? The valve,shaft and bearings do not look overheated.
Thank you,
Jeff:emoticonb
Thank you,
Jeff:emoticonb
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