yamaha 115

toonin22

Petty Officer 3rd Class
Joined
Oct 28, 2008
Messages
87
Hi I have a Yamaha 115 1993 2 stroke I took it out yesterday and it idled fine started fine idled 5 miles without one issue.
It will not stay above 2500rpm for longer than 30 seconds. I noticed the primer bulb was imploding on itself not bad but enough that I noticed it. checked vent for gas and it was clear. If I pulled the choke out just a quarter it would get up to 70% throttle. Im lost please help me.
Thank you
 

toonin22

Petty Officer 3rd Class
Joined
Oct 28, 2008
Messages
87
Re: yamaha 115

I found that the issue was a clogged anti siphon valve.
 
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