89 dt 115 lost power at full throtle

[ghagler]

I have an 1989 suzuki DT 115, I was cruising across the lake about 40 mph when I lost power. Motor would run only 20 or so and began Idling rough. It's not a rev limit. At Idle, moter coughs/sputters and will die when put in to gear. When throtled up it will run but only have speed. Plugs are all fireing...a little oil on them but not bad. Any suggestions? ghagler

 

[deejaycee_2000]

Re: 89 dt 115 lost power at full throtle

any warnings on tach? ....

 

[boatmandan]

Re: 89 dt 115 lost power at full throtle

try to spry a little gas into the carbs one at a time when it pickup you found the one htat is pluged .
Do not run much till you find the problum you could make a big problum for your self.

 

[ghagler]

Re: 89 dt 115 lost power at full throtle

No Warnings lights. Rev, Oil and water are the only warnings I see on it.

 

[grid]

Re: 89 dt 115 lost power at full throtle

Ruh-ro. History says a compression test will give you your answer. Probably #1 will have a VERY low reading.

 

[deejaycee_2000]

Re: 89 dt 115 lost power at full throtle

check thermostat .....

 

[Scout Sport Fish]

Re: 89 dt 115 lost power at full throtle

Check the fuel water seperator if you havent changed it recently. I made the mistake of saying, "Honestly, how much water can get into the fuel tank?"

Edit: Oh yeah whos a Petty Officer 3rd Class now?!?