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Catalina/Capri 25/250 Sailor's Forums

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Johnson 9.9 Sailmaster advice

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Ben
Master Marine Consultant

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USA
1234 Posts

Initially Posted - 08/02/2003 : 19:36:47

Hello All,

My 1986 or 87 Johnson 9.9 Sailmaster often has difficulty starting. I don't have electric start, but rather a pull-start engine. It seems to me as though when I turn the engine off, it might not be geared properly in nuetral. I move the shift to forward and reverse, and then back into nuetral to try to get it seated properly. Finally, sometimes after several tries with this, it will start back up again. Has anyone else had this problem, and if so, what has been your solution?

Thanks,

Ben
Adventurous
#5553
C25 SR/SK

Edited by - on

atgep
Master Marine Consultant

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1009 Posts

Response Posted - 08/03/2003 : 21:22:13

When you say it won't start do you mean the rope wont pull or do you mean electrically it will not fire.

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Dan86
Navigator

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130 Posts

Response Posted - 08/03/2003 : 21:53:31

I have the same year model and have some difficulty if I have adjusted the throttle. Occasionally if adjusted up, it seems to lock out the pull start and wont let me pull at all to start the engine. Not sure if that is the same as yours, but my actual shifting in and out is done fairly well, with only occasional problems. Dan 86

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Dave B
Admiral

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Mali
863 Posts

Response Posted - 08/03/2003 : 22:02:38

It sounds like you're saying the difficulty is after you've run the engine for a while, shut it down, and try to restart it soon thereafter.

Does your owner's manual say that the engine cannot be started in gear--indicating that there's an ignition interlock on the shifter? If so, you may have some corrosion or wear in that interlock switch, making it more sensitive than it's supposed to be.

Another lower-tech possibility is that you're getting a vapor lock due to heat boiling the gas out of the float bowl, which abates after a few minutes and enough pulls to get more fue into the system. Have you tried squeezing the fuel hose bulb to force some fuel into the float bowl--even though it was just running?

Sorry--I'm guessing here... I don't currently have an OMC engine.

Dave Bristle, 1985 C-25 #5032 "Passage" SR/FK/Dinette/Honda in SW CT

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NuNees
Navigator

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USA
125 Posts

Response Posted - 08/04/2003 : 20:39:23

Ben,
I have an '86, but it has electric start. There is an interlock that prevents the starter from working unless the shifter is in neutral. I ahve never tried to pull start it in gear. Pop the lid and take a look at the throttle cam operation while twisting the throttle handle. You will see that the cam interfears (sp?) with the shift handle, unless it is close to idle speed setting. The interlock switch is at the bottom of the shift handle detent.
Good Luck...

Bill jaworowski,
Moonbeams.
C25 SK/SR #4953
Sailing Lake Carlyle, IL.

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jwilliams
Captain

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USA
357 Posts

Response Posted - 08/05/2003 : 23:53:53

Ben,

On my old Sailmaster 9.9 I used to have the problem you described, until I learned to be sure that the engine was in neutral, and that the throttle was at idle, before shutting it down.

My first near disaster was because of this. I sailed all the way up the creek and just as I was going to drop the sails, the engine would not start. Would not pull! (in gear) Couldn't get it out of gear! (throttle was full on) Yeahhhhhhh! Sailed back down the creek until I got a tow in. How embarrassing. My wife, son, his wife and me aboard. Just had the boat a few weeks.

Jim Williams
Hey Jude C25fk 2958
Half Moon Bay, CA

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dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts

Response Posted - 08/06/2003 : 00:46:24

I would follow Bill's advice on the idle interlock switch because when I was learning my old Johnson 9.9, I seem to remember having starting issues when the throttle handle wasn't returned to the proper position(idle).

<img src="http://www.catalina25-250.org/c25sm.gif" border=0>Don Lucier<img src="http://www.catalina25-250.org/c25sm.gif" border=0>
<img src="http://im1.shutterfly.com/procserv/47b2d904b3127cce9f7cd9ffdf1d0000003010" border=0>
North Star SR/FK

Edited by - dlucier on 08/06/2003 02:07:05

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Ben
Master Marine Consultant

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USA
1234 Posts

Response Posted - 08/06/2003 : 07:20:24

Thanks everyone. Your experiences are invaluable. I'll have to find the starting position of my throttle, because it was worn down quite a bit during the PO's tenure and I can see no indication what the proper position is.

Anyway, you've given me hope...

Thanks again,

Ben
Adventurous
#5553
C25 SR/SK

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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.