91 yamaha dies then runs..94 seadoo wont start

harley57

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Joined
Oct 25, 2010
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Hello all...Im another one learning these jet ski's...alltho im very mechanically inclined I was hoping to save some steps....I have a 91 yamaha wave runner 500cc...it will run great then just die..starts up and runs for an hour and die..starts up, runs for 5 min and on and on. I dont think im getting full power out of it either. New battery and took apart the carb for cleaning but it was good. i also just pick up a 94 and 95 bombadier seadoo that have been sitting....new battery's,,change out gas and oil..the 95 started right up and took off,,the 94 has spark and plenty of gas but wont even fire...short of me ripping it all apart is there some thing that they are known for? thnx
 
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