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99' waverunner 1200 has rough idle until about 3,000 rpms and sputters

6269 Views 3 Replies 3 Participants Last post by  chrissdouglas
hey i just baught a new to me, 1999 yamaha waverunner gp1200. i got it started, and ran it for a abotu 15 minutes on the lake. it seems it idles rough and rides rough until i hit about 3,000 rpms then it smoothes out. and you can hear it sputtering sometimes when going in higher rpms, i dont know if this is bad gas, or plugs, or carb? thsi is my first waverunner so any sugestions i should try? also there was oil in the bottom of the engine compartment after i got it home along with some water. not sure where it came from.
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hey thanks, its not to bad, i took it out again and it seemed to run better. it seems like it only does it after idling fore more than a couple seconds, its hesitant at take off. anyway...i tried starting it tonite out of the water and it only fired one time and now i cant get it to fire at all. pulled the plugs to see if it was flooded, it didnt look like it, but it wont fire...it cranks and cranks but no ignition...? i have the tank on reserve because the fuel light came on... but it still wont fire. what is going on?
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