low rpms vz 150 ox66

hawgherder

Recruit
Joined
Feb 23, 2008
Messages
5
I just bought a Skeeter TZX 190 boat w/ 2003 vz150. I can only get 5100 rpms out of the engine. I replaced the 25 m prop with a 23 tempest to get that much. The Yamaha 25 m only got to 4800 rpms. Any ideas as to what to checck on this engine?
 
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