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| Author: | dirtracer990 [ Fri Mar 22, 2013 4:09 am ] |
| Post subject: | engine stalls in reverse |
I have a 2003 205 sundowner it shifts fine into & out of gear both forward & reverse but if I try to accelerate off idle in reverse the engine just stalls. Is there something i can check, adjust of replace to fix this issue? |
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| Author: | Paul I. [ Mon Mar 25, 2013 10:40 pm ] |
| Post subject: | Re: engine stalls in reverse |
Do you have a Merc with an Alpha drive? |
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| Author: | dirtracer990 [ Tue Mar 26, 2013 8:44 am ] |
| Post subject: | Re: engine stalls in reverse |
Yes it has a Merc 5.0 with an Alpha drive. |
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| Author: | LouC [ Tue Mar 26, 2013 9:06 am ] |
| Post subject: | Re: engine stalls in reverse |
Shift cable sticking in reverse, keeping the shift assist engaged. Might be time for a new cable...The reason why this is needed on dog clutch drives, is that in order to get the dog clutch to release, so you can shift from fwd or rev to Neutral, is that the torque of the engine has to be momentarily reduced. It is only supposed to engage for a second or so and then the clutch releases and the drive goes into neutral. If the switch is adjusted correctly, and you still have that problem, then the cable might be sticky keeping it engaged. Merc calls it shift interrupt OMC called it ESA for electronic shift assist. I had a similar problem on my boat when I first got it. When these are working correctly you can actually see the tach needle dip for a second when shifting from in-gear to neutral. They do not need to engage when the boat is on land, only when the load of the water is on the prop. |
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| Author: | Paul I. [ Tue Mar 26, 2013 11:19 am ] |
| Post subject: | Re: engine stalls in reverse |
dirtracer990 wrote: Yes it has a Merc 5.0 with an Alpha drive. Mercs with an Alpha drive have a "interrupt" switch that is mounted on top of the engine. It needs to be readjusted. It is used to stop the engine in shifting. |
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