87baylinercapri
Seaman
- Joined
- Apr 3, 2006
- Messages
- 56
Greetings,
Just aquired a 96 four winns 170 horizon with a volvo penta 3.0 GS with only 30 hours on it. I am having a seemingly "running RICH" issue. The engine idles rough, gets a little better as it warms but still rough, and wont go WOT, it stumbles all over itself past 1/2 throttle. I found something that is interesting to me, since i dont know anything about CARBS but the Choke plate stays closed or "choked" all the time, the only time it even starts to open during normal operation is FULL throttle. even then it only opens 1/8 of the way. this seems like why the motor is running like poop. When it's idling the choke plate just flapes between closed and 1/8 open. When you choked the engine it doesn't do jack to the choke plate, when you fully choke it, the choke plate slightly opens to 1/8 position...is this right? Below are some pics...
Throttle at "FULL THROTTLE" , in gear, normal operation.
Just aquired a 96 four winns 170 horizon with a volvo penta 3.0 GS with only 30 hours on it. I am having a seemingly "running RICH" issue. The engine idles rough, gets a little better as it warms but still rough, and wont go WOT, it stumbles all over itself past 1/2 throttle. I found something that is interesting to me, since i dont know anything about CARBS but the Choke plate stays closed or "choked" all the time, the only time it even starts to open during normal operation is FULL throttle. even then it only opens 1/8 of the way. this seems like why the motor is running like poop. When it's idling the choke plate just flapes between closed and 1/8 open. When you choked the engine it doesn't do jack to the choke plate, when you fully choke it, the choke plate slightly opens to 1/8 position...is this right? Below are some pics...
Throttle at "FULL THROTTLE" , in gear, normal operation.