My 9.8 outboard motor propeller is over spinning when I give over 1/2 throttle. it jerks the whole motor back and forth while doing it.?

Other answer:

David:
Its either damaged or the wrong pitch prop. The jerking is a sign of damage. Usually if it was the wrong pitch it would still be smooth.
?:
was this motor running on this boat ok before. or is it new to the boat ? it almost sounds like a short shaft engine on a long shaft boat'' ck shaft length
glancy@rogers.com:
find your dealer ask about prop size if this wright size if ok best check lower end good luck
fuzzy:
damaged prop