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Honda 8HP Conversion to 99HP

W

Wes Stiles

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"The new Honda 8HP and 9.9HP f

"The new Honda 8HP and 9.9HP four stroke outboard motors are identical in all published mechanical specifications; the only difference being in stated HP. I know the conversion from 8 HP to 9.9 HP can be done for about $65, but I don't know how to do it. Does anyone out there know? I would guess either the carburetor jets have to be changed or there is a restrictor plate on the 8 HP that has to be changed (or maybe just removed). Any input will be greatly appreciated."
 
did you find out how to do the

did you find out how to do the coversion. i was told by a dealer that you replace the jet that is accessable on the outside top right side of the carb. he would not give me the part number and it does not show up on diagrams.
 
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