ported 1990 Johnson 115 17ft center console sunbird 46mph

This is my dad's Johnson 115 that we had to replace the block so we bought a new one but the guy screwed us over and sold us an 88 but its OK everything was the same except for the intake and exhaust ports for the cylinders so we ate away at those to the max size possible surpassing the 115 size right now we have the top speed at 46mph gps with the 115 carbs we are trying to get better carbs for 50+ mph

boat is a sunbird 173cc seacore 17'3"

current crank hp around 130

Category:

Education

Tags:

• boat
• johnson
• evinrude
• omc
• center
• console
• sunbird
• 115
• hp
• 2stroke
• 2cycle
• motor
• outboard
• ported
• preparado
• lancha
• bote
• pitch
• wide
• open
• throttle
• wot
• 88
• 90
• 100
• 112
• v4
• crossflow
• lower
• unit
• exhaust
• intake
• speed
• mph
• kph