I am running a 20' twin vee that is rated from 90hp-140hp, I have a 1999 johnson 90hp 60degree looper on it now. The ? is I am thinking of switching to a 3 cylinder 90hp motor (yamaha or tohatsu) will i notice any loss of power with the loss of the 4th cylinder ?
I have a johnson 90 ,1999 mod, prob is that when you run it up to 4500 rpm's it will run great for bout 300yds then it will start to act fuel starved, if i pump the bulb it will run fine. I have put 2 diff vro pumps on , changed the vapor sep. commpression on all 4 within 10psi. what next? none...
I bought a new boat that has a 1999 90hp on it , motor runs great ,when you run it wide open it will go bought 500yds and then act fuel starved. the guy that had it before me put a 5psi priming pump in line between the fuel filter and the tank. I have changed the vro pump and also bipassed the...
I recently rebuit an 1981 Johnson 70 ...............1rst problem is that it wants to idle way to high to put into gear,2nd when you do put it in gear and return to neutral the idle lever on the box pops up........3rd if you put it in gear and try to give it some gas it bogs down and dies ,it has...
i have an 81' 70 johnson , during the installation of new pistons the crank bearings did not get lined up with the dowel pins. Now the pins have been pushed into the case slightly ..................the question is can they be removed and can i get new ones???????
I Have An 84 Johnson 50 , It Slightly Grinds Going Into Rev . I Have Checked To See If It Goes In Freely (manualy) And It Does . On The Cable Adjustment If I Go Anymore Towards Rev It Grinds In Forward . Anyone Have A Remedy???? Thanks For The Help...................dave
I Have A 1984 Johnson 50 That Had The Add On T-n- T , The Unit Was Bad So I Have Removed It . The ? Is What Parts Do I Need To Add To Lock The Motor In Place On The Trim Pin (in Rev The Motor Will Kick Up) Any Help Would Be Great Thankx...................dave