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15 hp 1996 merc

mrpops

Regular Contributor
"this post is a point of inter

"this post is a point of interest
i have a rope start 15hp that was very hard starting and would quit very often at high speed.now i have been playing around with mercs since my racing days ]60's[ so they are not new to me.to try to solve the problem i rebuilt the carb. with no success did it again with a new kit same problem ,then i notice that the float had no hook to pull the needle valve ,there is none listed in the parts/repair manual so i made one out of a cigarette lighter sping and every thing was fine forever after.all i could figure that the viton tip was jamming and the fuel pump couldn't open it.maybe someone can tell me why merc eliminated the hook ."
 
"I can't give you an answe

"I can't give you an answer as to why they were eliminated, but can say that I assume you have a Walbro carb on that model.

I have cleaned/rebuilt a number of these since they kinda became the mainstay carb for the small Merc over the past 20 years and have never noted the hook which you mention.

So it may be a Walbro design...."
 
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