looper stator problem?

[todd foster]

I have a 98 model johnson 200 venom that has been having idle flood problems.Is it possible it could be my stator?I know the charging system is not working but don't know if this could cause a prob.Had carbs rebuilt but don't know if the mechanic did a good job.model j200stlec.Thanks p.s. as per the clymer manual i performed the ohms testing and when i get to the part where the two plugs with 4 wires test i touch my red lead from meter to bottom middle pin and alternatly touch the rest of the wires and i get no resistance readings on my digital voltmeter.Clymers said thee should be resistance.Is this my problem?

 

[Walker]

Re: looper stator problem?

Originally posted by meauxjeaux:<br /> I have a 98 model johnson 200 venom that has been having idle flood problems.

I'd check the recirculation valves for proper function.

 

[todd foster]

Re: looper stator problem?

Are you talking about the ones that suck fuel from the carb cover?If so they are sucking so I don't know if this is what you mean.

 

[red boat]

Re: looper stator problem?

I dont think your stator would cause Idle flood problems. A stator almost always causes the rectifier regulator to ge bad, symptoms being tach not working, no battery charging etc. I agree that you need to check your idle recirc valves. they are small brass valves that screw into the INTAKE below each carb. clean them thoroughly with a gumout type spray. Fluid should go thru them one way but not the other. If fluid goes thru them both ways then they must be replaced. DO NOT try to blow them out with compressed air it will destroy them (words of experience. check the hoses to the recirc fittings also they may be deteriorating inside the hose and could have blockages

 

[todd foster]

Re: looper stator problem?

I didn't know hey were such a big deal.If they are stuck open does it cause something like a vacume leak or something.Also can i plug the two hoses going into the carb covers to see if this is the cause?

 

[rodbolt]

Re: looper stator problem?

what color are the wires your probing? and some meter5s have a reverse polarity, repeat the test using the black lead as opposed to the red. thats why a DVA meter or adapter is imperative, I could care less about the resistance I want to know what the output voltage is.

 

[todd foster]

Re: looper stator problem?

I'll have to check the wire colors tomorrow but I don't have the meters they talk about in the manual.I'll post wire colors tomorrow and I'll try switching wires on my mter also.

 

[seahorse5]

Re: looper stator problem?

Originally posted by meauxjeaux:<br /> ... as per the clymer manual i performed the ohms testing and when i get to the part where the two plugs with 4 wires test i touch my red lead from meter to bottom middle pin and alternatly touch the rest of the wires and i get no resistance readings on my digital voltmeter.Clymers said thee should be resistance.Is this my problem?

Not only do you have to worry about internal polarity of your multi-meter, but the internal resistance of the meter will make the readings vary widely. A Stevens 101, a classic meter in the outboard repair business will give around 260 ohm readings to those timer base sensor coils. A quality digital meter such as a Fluke 73 will show about a megaohm resistance. You are not measuring resistance exactly, you are measuring thru the logic chips and the current used by different meters affects the resistance readings on the display.<br /><br />You will also need a DVA adapter for a digital meter to read the output voltages and any voltage to ground.<br /><br />Both tests are needed as you can have a hairline break in a sensor coil winding, yet the voltage induced will jump the break and give an output reading. The ohmmeter resistance test will show up the break with an infinity reading.<br /><br />Using the factory manual and the proper diagnostic tools is the only way to troubleshoot the CDI system. Anything else is just guesswork, and that can lead to expensive but un-needed parts replacements.

 

[todd foster]

Re: looper stator problem?

Any idea where i can find these tools as I have a hunch I will be needing them with this engine?

 

[red boat]

Re: looper stator problem?

Did you check the recirc fittings? There is no real way to block any hoses one way or another to check them. the only way is to blow and suck thru them. also if you dont remove them they have a fine mesh screen on one side and if it semi blocked up with carbon it will cause the problem you say you are having. What makes you think you have problems with your stator? Does your tach work? Is your rectifier/regulator messed up?

 

[red boat]

Re: looper stator problem?

Sorry just reread you original post and you say your charging system is not working. Word of caution, A bad stator can fry a new regulator/rectifier in short order. Many boat shops I have talked with will only provide a warranty if they replace both components. I replaced a rectifier/regulator on mine and 1 hour later it was fried again, repolaced it again (OUCH!!!!!!) and ther stator and not a problem since. I tried using all the tests in the book and could not get my readings within spec even with the new components, go figure huh.

 

[todd foster]

Re: looper stator problem?

I guess I need the meters described by seahorse.I also will be replacing my regulator/rectifier and stator at the same time as I can visibly see some sort of redish cticky substance on the tp of my powerhead(probably from stator).If anyone knows how to perform the air vapor drill and tap in the water jacket to help get coolant at the regulator please post a detailed description as I am interested in doing that to my motor.Thanks

 

[rodbolt]

Re: looper stator problem?

never heard of drilling a looper, but use of t-stats and the pressure control circuits and keeping it maintained is nessasary with the water cooled regulator and mandatory with the 35 amp system.<br /> while the Fluke is a good meter its pricy, radio shack has a model with similar funtions and input specifications that will accept the DVA adapter from rapair or fluke. the meter is about 30 dollars and the adapter about 45.<br /> the ign charge coil windings,trigger coils and ign system are seperate from the battery charging coils and regulator/rectifier.<br /> the Kv tester from snap-on is about 130 dollars.<br /> its quite a handy tool for testing fireing voltage or lack of.<br />normally if the sytem will create an arc that will jump a 7/16ths gap on the tester you can go on with testing other systems.<br />the reason for the 7/16ts specification is to not only test the systems capeability to generate a spark but to test the reserve capacity of the system to insure in can spark at all speeds and conditions for which it was designed.

 

[seahorse5]

Re: looper stator problem?

Originally posted by meauxjeaux:<br /> I guess I need the meters described by seahorse.I also will be replacing my regulator/rectifier and stator at the same time as I can visibly see some sort of redish cticky substance on the tp of my powerhead(probably from stator).If anyone knows how to perform the air vapor drill and tap in the water jacket to help get coolant at the regulator please post a detailed description as I am interested in doing that to my motor.Thanks

You do not have to drill your engine block. Since 1997, OMC put a grooved "blow off" valve in the pressure relief system to bleed off the air when starting up the engine. That is located near the top of the block so that water gets to the cooling posts of the regulator.<br /><br />Special tools and equipment can be purchased on-line from precisionwholesalemarine.com

 

[todd foster]

Re: looper stator problem?

Man seahorse you are so full of usefull info.Thanks alot.

 

[Tom Scully]

Re: looper stator problem?

Not to de-rail the thread, Rodbolt do you have a part # for the Snap-On Kv tester?<br />Thanks,<br />Tom.

 

[rodbolt]

Re: looper stator problem?

for the DIS/KV tester from snap-on its part # MT2700.<br /> also google ferret and stevens instruments as they may have a less expensive one.

 

[todd foster]

Re: looper stator problem?

I took my boat out yesterday and my regulator all of a sudde started charging and my tach was working?Any way still had idle problem and I looked on the back of my carbs and the only lines I saw were the ones going to the top of my primer solenoid.Where are the recirculating screens located and how do i make sure they are working properly?

 

[rodbolt]

Re: looper stator problem?

they are on the backside of the intake tract. look like little brass fittings with a hose going to them. with the carbs and airbox mount in place they are a tad difficult to access.<br /> the hoses run to the nipples on the block about 1/2 inch below the head on the bore center line.<br /> remove the hose from the block nipple. attache a syringe to the hose, you should be able to blow air but not suck any.if air flows both ways the check valve is bad.

 

[todd foster]

Re: looper stator problem?

Thanks I will try this tommorrow as we are getting some pretty bad thunderstorms here today.Any suggestion as to why my charging system would all of a sudden start working out of the blue?I've taken the boat out 5 times since I've bought it and it didn't work any of the times but this last time it started and didn't quit.I even flushed motor on the hose and connected my meter to battery posts and showed 14 volts?