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OMC engine quits when shifting

 
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Panda38



Joined: 03 May 2006
Posts: 8
Location: Anacortes, WA

PostPosted: Mon Oct 09, 2006 3:07 pm    Post subject: OMC engine quits when shifting Reply with quote

My 175 HP OMC I/O (15 years old) was running fine and then all of a sudden the engine started dying whenever I shifted into gear. I have a single control so I could not even rev it up and then shift at a higher RPM. Could this be in the shifter or is it something in the engine or electrical that causes it to quit.
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MikeW
Senior Member


Joined: 01 May 2006
Posts: 680

PostPosted: Tue Oct 10, 2006 8:57 am    Post subject: OMC engine quits when shifting Reply with quote

Hello Panda, OMC uses a shift assist module to momentarily interrupt the ignition system lowering the engine rpm's when shifting. The purpose of this action is to take some of the load off of the Outdrive when shifting in and out of gear. It sounds like it is time to replace it. CDI Rapair makes a universal unit. Click on the link below and you will see the replacement. Go2marine has a full line of replacement parts for your OMC.

OMC Shift Assist Module
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Panda38



Joined: 03 May 2006
Posts: 8
Location: Anacortes, WA

PostPosted: Tue Oct 10, 2006 10:19 am    Post subject: OMC engine quits when shifting Reply with quote

Thanks MikeW, sounds simple, I'll try it. Other than this problem, the OMC engine has been fine even though it is a little old. Hard to believe!
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Monahans
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PostPosted: Tue Oct 10, 2006 10:52 am    Post subject: Reply with quote

Panda.
If you can't find an aftermarket piece, the OMC part # is 987875 and the list is $106.94
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