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    Sport jet 120 exhaust gas in water jacket

    Re: Sport jet 120 exhaust gas in water jacket My Original Exhaust elbow had a fitting in the side for a raw water intake, The old elbow was fused to the block so I had to get a new one, I found this force elbow cheap, no inlet in the side for water intake, I had to make my own hole in the...
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    Sport jet 120 exhaust gas in water jacket

    200 Dollar rib jet boat. Rebuilt engine using Force 120 outboard block and new/used Ldrive manifold Runs great, except cannot get water to flow through water jacket. Pressured up with exhaust gas and naturally overheats quite quickly. Not so bad on the hose but in the water I cant get it...
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    Force 120 rebuild trying to jump start

    Re: Force 120 rebuild trying to jump start So cleaned up flywheel, stator and trigger re-installed, checked resistance on green to white 660, then checked again after it was plugged in and it went down to 550. started unplugging cdi harnesses until on #3 and there it goes back to 660. And as...
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    Force 120 rebuild trying to jump start

    Re: Force 120 rebuild trying to jump start Thanks a bunch for the tests.. CYL1 A-C =1084 A-wire screw = 1041 D-B=620 D-A= 638 CYL2 A-C = 1084 A-wire screw = 1038 D-B=583 D-A=600 CYL3 A-C=1086 A-Wire Screw= 1040 D-B=550 D-A= No reading CYL4 A-C 1078 A- Wire Screw= 1040...
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    Force 120 rebuild trying to jump start

    Took my 97 sport jet powerhead apart, replaced block and exhaust manifold, I have everything back together and Im trying to test start on bench before I put back in the boat. I'm putting power to black and yellow assuming this is the run circuit then tapping yellow/red to kick the starter...
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