Another Yamaha Idleing Problem

Scout Sport Fish

Petty Officer 2nd Class
Joined
Apr 23, 2007
Messages
197
Ok so I start up my 2000 130 HP 2 stroke and it runs "ok" after a couple secs it slowly spins down to about 5-600 RPM and then spins down to literally like 5 RPM and cuts out. Now its ok if I give it a little gas while not in drive to keep it at 10000 RPM and it runs great at WOT. Could the idle screw just vibrated loose or is a deeper problem such as fuel flow or carbs?

Thanks in advance.
 

Ray Neudecker

Lieutenant Commander
Joined
May 25, 2004
Messages
1,656
Re: Another Yamaha Idleing Problem

Check the idle timing screw to be sure it hasn't vibrated loose as well as the idle air screws.
 

dpfundst

Seaman
Joined
Nov 28, 2005
Messages
71
Re: Another Yamaha Idleing Problem

Hi,

Where is the idle adjustment screw located on a 90HP 2 stroke 90LTRZ

Thanks
Dwight
 

Scout Sport Fish

Petty Officer 2nd Class
Joined
Apr 23, 2007
Messages
197
Re: Another Yamaha Idleing Problem

Well turns out it just needed a new fuel/water seperator. The one that was originally on was WAY to small for the engine and gas tank so I got a whole new rig on.
 
Top