Recent content by ferro762

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    Cooling system clogged up

    My 9.9's cooling system is clogged, not sure how bad. I've been spraying kaboom and lime away in where the water would leave the block. I'm trying to dig out the corrosion, i'm just not sure how deep it goes. would it be ok to put those solutions in where the therm would go so i could see if it...
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    92 yam 9.9 4 Stroke, part Question

    Ive been working on a 92 yam 9.9 4 stroke lately and I have came across what seems to be a phamtom part. I have the pictures posted below. In the manual on the 9.9 it shows the starter plunger looking different. Is this an aftermarket plunger? Also the part I seem to be missing in the secondary...
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    92 Yamaha 9.9 4 stroke carb ?

    I just got this motor, not sure how long it sat before I got it. Before I rebuilt the carbs It would run but only if I keep my hand over the intake to choke it. I cleaned the carb and it ran without me having to choke it but not strong. Then I rebuilt the carbs and it goes back to running only...
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    Yamaha 4 Stroke 9.9h.p questions

    I just got a hold of a 9.9 h.p. 4 stroke. I'm not sure of the year, the Model # is T9.9EXHQ, Code 6g8 UL. I'm going to do some research on it now but this site has always been good for a quick response. I need battery cables, Throttle clamps, kill switch, tank & bulb. I'm not sure if it runs or...
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    85 120 lopper carb question

    ive been trying to figure out why my spark plug off of 1st cylinder is turning blk. the carbs were just rebuilt and i tried to clean the carb that is on the dirty plug cylider. can i swap the carb bowls around and see if the blk follows a certain carb? that way i can just rebuild that one carb...
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    changing VRO fuel pump on 85 120

    I think I might have a fuel pump problem on my 85 120 looper. I pre mix and was wodering what fuel pump ill need to switch to without the oil pump. Ive been trying to look it up and im not getting anywhere. Could someone help me out on what model pump i need, I would really appreciate it...
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    how to adjust carbs on 85 120hp looper

    I'm trying to adjust my carbs because accourding to the spark plug reading 3 are running lean and one is running rich. i can't find how to adjust them in the manual It says the valves are fixed, does that mean they're not adjustable?The motor revs up and down a few RPM. One of the plugs are blk...
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    120 hp Carbs flooding now will not start

    Re: 120 hp Carbs flooding now will not start I did a compression check on all 4 cylinders they're all at 118. i pulled the carbs off the side that the plug is getting black and everything looked clean. i re-cleaned it, it was just done 3 months ago. i bought new plugs and checked the gap...
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    120 hp Carbs flooding now will not start

    I have a 85 120hp looper. the carbs will flood if kept tilted up for trailering. the other day when i got to the ramp it was flooded and i figured if i kept it running it would clear itself out. after about 10-15 min putting in the channel i shut it down and restarted it, it jumped up on plane...
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    85 120 looper, No power, new carbs and wiring

    I just got back my motor from my machanic and everything looks and sounds ok with the motor, just doesn't have any power to get the boat on plane. The motor revs up but nothing really happends and there is a delay when reving and when the motor does try and get up and going. This motor was...
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