need help, yamaha lower unit no backlash after shimming?!

1998xjspt

Recruit
Joined
Aug 22, 2013
Messages
1
got a 2010 yamaha 150hp 4stroke outboard and iv shimmed the lower unit but went to check backlash and there isnt any?? any ideas of what it could be? really stumped.
 

Capt Ken

Commander
Joined
Jul 30, 2002
Messages
2,269
Re: need help, yamaha lower unit no backlash after shimming?!

And you used the numbers stamped under the trim tab in the formula for the number of shims?
 

stylesabu

Master Chief Petty Officer
Joined
Aug 2, 2009
Messages
849
Re: need help, yamaha lower unit no backlash after shimming?!

got to have a little backlash, or u will wear ouy those gears
 
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