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1998 120 Johnson Looper

A

alwaywrknonit2

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I cant seem to get anymore tha

I cant seem to get anymore that 4300rpm out of this motor at WOT. I checked the linkage its good. I checked the height to the cavitation plate. Thats good. The prop is a 15x17. The lower unit is off a 220 I think. Its a 10 spline. It runs good and idles good but the RPM sucks. Any suggestions or thoughts? I assume it should be at least 4500 WOT. Tks
 
"Joe, is this a new problem th

"Joe, is this a new problem that came up or has it always run that way?

And are you sure about the year, I can't find a listing for a 1998/120 horse Johnson..."
 
"Sorry, this is a 1988. Yes, i

"Sorry, this is a 1988. Yes, it has always ran this way as long as I had it. Which is coming up on a year.I replaced nearly everything electrical and rebuilt the carbs."
 
"Before it is possible to go f

"Before it is possible to go further, please confirm Your gear-ratio. How may turns on the fly-wheel gives one turn of the prop-shaft?
2:1 - V4 or 1,8:1 V6.
Note that even if fitted with a V6 gear-case it might be V4 gear set and ratio. (Used on XL-models)"
 
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