I would like to upgrade this motor to a 15 HP the carb needs rejetting and the cam is the same is there any other changes that need to be made to bring up to 15? This will let me plane with 2 people in the boat.
Thanks
Hi all,
I have a '04 9.9 Johnson 4 Stroke (Suzuki) with just over 10 hours on it. I had the 10 hour Maintenance done and had the dealer check a miss at WOT that had just developed and caused me to take the motor in Mid December. I get the motor back and in late January, 10 hour done and...