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Author Topic:   1996 200-HP Johnson Ocean Runner

R I Whaler posted 11-06-2006 07:36 PM ET (US)
Looking for opinions on a 1996 200 hp Johnson Ocean runner. I've been looking to repower and this is in my budget. Motor is very clean, well maintained. It is counter rotating.
I'm under the impression that this was a good year for the 200 hp. What can you guys tell me about it? As always, thanks for all of your great advice.
My boat is a 1987 20' Outrage, currently with 1987 Evirude 200 hp.
Tom W Clark posted 11-06-2006 08:41 PM ET (US)
Yes, that is a very good motor.
R I Whaler posted 11-06-2006 09:48 PM ET (US)
Thanks, Tom. Anything in particular I should look out for? Does this one have the Optical Ignition System (OIS)?. Are there any [concerns] running a counter rotating outboard in a single engine application?
Mike
jimh posted 11-06-2006 10:00 PM ET (US)
Regarding using a counter-rotating engine in a single engine installation, this has been discussed before. The executive summary is that repair parts for the gearcase may be hard to find; left-handed propellers are also harder to locate. The propeller torque effects are opposite of normal.
Re the Optical Ignition System (OIS), this was an OMC innovation. I believe the reason for this fundamental change in the ignition spark timing generation was to provide for cleaner and more precise firing. Most distributor-less ignition systems use an inductive pickup to develop the trigger signal for ignition timing. The precision of this technique is related to magnetic and inductive design problems. Hysteresis in the inductive pick up and magnetic saturation of the field may cause the ignition timing to be less precise than desired. OMC changed to an optically triggered ignition system with a goal of producing better spark timing and avoiding those problems.
One drawback mentioned about OIS is some extra precautions in trouble shooting. The optical sensors have to be protected from stray light sources when being run with the cowlings removed, as occurs in testing. Also, some special test adaptors are required to work with the OIS. Not all dealers may be completely familiar with the OIS and its repair and adjustment.
I know the smaller displacement V6 motor have OIS. I am not sure about the big 3-liter V6 engines.
Tom W Clark posted 11-06-2006 10:24 PM ET (US)
Maybe at some point in the future parts for a counter-rotating gearcase may be harder to find than parts for a standard-rotation gearcase, but for now they are readily available.
Counter-rotating propellers are also readily available with more and more models of props being offered in counter-rotation each year.
Actually, you may well find you can score much better prices on single counter-rotating propellers because once they are "orphaned" from a pair, they are much less marketable. I have bought like-new counter-rotating Mercury Revolution 4 propellers (amongst the more desired and expensive props out there) for as little as $50.
R I Whaler posted 11-06-2006 10:25 PM ET (US)
Thanks, Jim. Does anyone know if the 200hp has the OIS? Other than good compression, good lower unit, anything else I should confirm?
Mike
seahorse posted 11-07-2006 07:42 AM ET (US)
The OIS igntion system is only on the V4 and V6 60° blocks (90-175), not the 90° blocks.
There was a service bulletin about changing the upper bearing housing bolts within a certain serial number range back then. See a knowledgeable dealer to see if yours was included.
R I Whaler posted 11-07-2006 09:30 AM ET (US)
Is the 200 hp Ocean Runner a 90 degree? I was under the impression it was a 60 degree.
Peter posted 11-07-2006 10:02 AM ET (US)
90 degree displacing 3 liters. The 60 degree V6 only displaces 2.6L. Your 1987 200 was a loop charged 90 degree V6 but I believe it only displaced 2.7L.
R I Whaler posted 11-07-2006 03:57 PM ET (US)
Thanks for all the replies. So, a very good condition 200 hp Ocean runner, counter rotation with 560 hours, very, very clean in the $4000 range. Good compression, good lower unit. This is about the max of my budget. Am I making a good choice? Am I in the right year range, right manufacturer?
Thanks,
Mike
jgkmmoore posted 11-07-2006 04:25 PM ET (US)
Good year, good choice, good motor.
seahorse posted 11-07-2006 06:24 PM ET (US)
Post the complete model number of the motor, its just above the serial number, so you can be certain of the exact model year.
R I Whaler posted 11-07-2006 08:27 PM ET (US)
J200CXEDR
R I Whaler posted 11-08-2006 02:12 PM ET (US)
It's a done deal. I just bpught the motor, he did compression tests and various other tests in my presence. Everything seems in order. He gave me a 60 day warranty starting in the Spring and he's going to winterize. Too bad I have to wait 6 months to try her out.
Any suggestions on a few props to try out?
Thanks for all of your help.
Mike

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Author	Topic: 1996 200-HP Johnson Ocean Runner
R I Whaler	posted 11-06-2006 07:36 PM ET (US) Looking for opinions on a 1996 200 hp Johnson Ocean runner. I've been looking to repower and this is in my budget. Motor is very clean, well maintained. It is counter rotating. I'm under the impression that this was a good year for the 200 hp. What can you guys tell me about it? As always, thanks for all of your great advice. My boat is a 1987 20' Outrage, currently with 1987 Evirude 200 hp.
Tom W Clark	posted 11-06-2006 08:41 PM ET (US) Yes, that is a very good motor.
R I Whaler	posted 11-06-2006 09:48 PM ET (US) Thanks, Tom. Anything in particular I should look out for? Does this one have the Optical Ignition System (OIS)?. Are there any [concerns] running a counter rotating outboard in a single engine application? Mike
jimh	posted 11-06-2006 10:00 PM ET (US) Regarding using a counter-rotating engine in a single engine installation, this has been discussed before. The executive summary is that repair parts for the gearcase may be hard to find; left-handed propellers are also harder to locate. The propeller torque effects are opposite of normal. Re the Optical Ignition System (OIS), this was an OMC innovation. I believe the reason for this fundamental change in the ignition spark timing generation was to provide for cleaner and more precise firing. Most distributor-less ignition systems use an inductive pickup to develop the trigger signal for ignition timing. The precision of this technique is related to magnetic and inductive design problems. Hysteresis in the inductive pick up and magnetic saturation of the field may cause the ignition timing to be less precise than desired. OMC changed to an optically triggered ignition system with a goal of producing better spark timing and avoiding those problems. One drawback mentioned about OIS is some extra precautions in trouble shooting. The optical sensors have to be protected from stray light sources when being run with the cowlings removed, as occurs in testing. Also, some special test adaptors are required to work with the OIS. Not all dealers may be completely familiar with the OIS and its repair and adjustment. I know the smaller displacement V6 motor have OIS. I am not sure about the big 3-liter V6 engines.
Tom W Clark	posted 11-06-2006 10:24 PM ET (US) Maybe at some point in the future parts for a counter-rotating gearcase may be harder to find than parts for a standard-rotation gearcase, but for now they are readily available. Counter-rotating propellers are also readily available with more and more models of props being offered in counter-rotation each year. Actually, you may well find you can score much better prices on single counter-rotating propellers because once they are "orphaned" from a pair, they are much less marketable. I have bought like-new counter-rotating Mercury Revolution 4 propellers (amongst the more desired and expensive props out there) for as little as $50.
R I Whaler	posted 11-06-2006 10:25 PM ET (US) Thanks, Jim. Does anyone know if the 200hp has the OIS? Other than good compression, good lower unit, anything else I should confirm? Mike
seahorse	posted 11-07-2006 07:42 AM ET (US) The OIS igntion system is only on the V4 and V6 60° blocks (90-175), not the 90° blocks. There was a service bulletin about changing the upper bearing housing bolts within a certain serial number range back then. See a knowledgeable dealer to see if yours was included.
R I Whaler	posted 11-07-2006 09:30 AM ET (US) Is the 200 hp Ocean Runner a 90 degree? I was under the impression it was a 60 degree.
Peter	posted 11-07-2006 10:02 AM ET (US) 90 degree displacing 3 liters. The 60 degree V6 only displaces 2.6L. Your 1987 200 was a loop charged 90 degree V6 but I believe it only displaced 2.7L.
R I Whaler	posted 11-07-2006 03:57 PM ET (US) Thanks for all the replies. So, a very good condition 200 hp Ocean runner, counter rotation with 560 hours, very, very clean in the $4000 range. Good compression, good lower unit. This is about the max of my budget. Am I making a good choice? Am I in the right year range, right manufacturer? Thanks, Mike
jgkmmoore	posted 11-07-2006 04:25 PM ET (US) Good year, good choice, good motor.
seahorse	posted 11-07-2006 06:24 PM ET (US) Post the complete model number of the motor, its just above the serial number, so you can be certain of the exact model year.
R I Whaler	posted 11-07-2006 08:27 PM ET (US) J200CXEDR
R I Whaler	posted 11-08-2006 02:12 PM ET (US) It's a done deal. I just bpught the motor, he did compression tests and various other tests in my presence. Everything seems in order. He gave me a 60 day warranty starting in the Spring and he's going to winterize. Too bad I have to wait 6 months to try her out. Any suggestions on a few props to try out? Thanks for all of your help. Mike