Quit on the Water!

[LaqueRatt]

3/16" is pretty much average on the 3 motors I have. All are older, none will jump a 1/4" like many people say it should. This thing ran really good though when I had it on the water. It just up and quit after about 10 mins of low RPM running. I gunned it a few times, but since this was a test run I was just puttering around near shore.

 

[racerone]

That magneto in good condition and timed properly will easily jump a 1/4" gap !!

 

[saltchuckmatt]

This motor has 2 ignition coils under the flywheel.-----No pick-up coils as far as I know.

I see, the all in one coil.....and weaker spark too. I stand corrected, those older models are tough for me. My uncle was an OMC dealer in the 60 and 70's but I really didn't start working with him until later. I was around him a lot though and I remember watching him work on those things. Here's what's funny, the late 60's 100 HP and others had the select shift (electric shifting) and the Evinrude Etec G2 went back to that. They claimed better to NOT have a mechanical shifter. Go figure!

 

[jimmbo]

The Electric Shift of the 60s is nowhere anything like what Bombardier used in the the G2 Engines

 

[saltchuckmatt]

The Electric Shift of the 60s is nowhere anything like what Bombardier used in the the G2 Engines

Yes, but the principles are the same. Aren't we just talking solenoids?

 

[jimmbo]

I have never seen any info about the G2, whether it uses Hydraulics to move the Clutch Dog, or Electromagnets to move a Linkage.
Both the Electric Shift(1962-1970) and the Hydroelectric Shift(1968-1972) used Electromagnetism to actuate their shift Systems, however the actual Shifting was done differently. The hydroelectrics used Oil Pressure, controlled by 2 Electromagnets(in this case they were referred to as Solenoids) regulating the Oil Pressure to move the Clutch Dog, I certainly doubt it is anything like the earliest Electric Shift which used Electromagnets(here called Coils) to attract a Spring to wrap itself around a Hub.

 

[saltchuckmatt]

I have never seen any info about the G2, whether it uses Hydraulics to move the Clutch Dog, or Electromagnets to move a Linkage.
Both the Electric Shift(1962-1970) and the Hydroelectric Shift(1968-1972) used Electromagnetism to actuate their shift Systems, however the actual Shifting was done differently. The hydroelectrics used Oil Pressure, controlled by 2 Electromagnets(in this case they were referred to as Solenoids) regulating the Oil Pressure to move the Clutch Dog, I certainly doubt it is anything like the earliest Electric Shift which used Electromagnets(here called Coils) to attract a Spring to wrap itself around a Hub.

Well I've certainly learned something here. And then i am somewhat familiar with electric over hydraulics because I had a vehicle with an emergency braking system. I think it was called a Gurling (SP) system. I've seen a cutaway of a G2 and they referred to the engine as a "fly by wire" They bury it down in the mid-section and try to convince you that it's much more reliable and easier to get to....made me kind of laugh. Anyhow, from the control box to the engine it electrically controlled so once again the same principles apply. (No more rods going up inside the engine connecting to linkages and then trough a cable to the control box like my G1) Some may not see it that way but I do.

 

[Chris1956]

The ignition system on that Fastwin is not all that expensive to replace. They were used for many years, and are likely made by Sierra and possibly GLM, if OEM is too costly or NA.

 

[JohnnyGuy]

Have seen this before. Starts up cold but hard start or no start when engine is warm.
Replace your condensers.

 

[LaqueRatt]

Thinking of changing it all, but hate to just throw parts at a problem. Guess I'll test what I can test today. Are the coils, points, condensers all sold as a kit? I really don't want to put a ton of money into this motor if don't have to. I'm thinking though with condensers they either work or they don't right? I'm surely no expert, but if it starts one time doesn't that indicate it's not the condensers?

 

[racerone]

Hurry, hurry to ------leroysramblings------It will show you / tell you all about this wonderfully simple magneto !!-----Used from about 1950 to 1990 on many motors.-----And your motor is just a bigger version of a 10 HP.------Magneto is all the same.

 

[LaqueRatt]

Thanks for the tip. I currently have his site up in my browser. Interesting stuff! Really had to dig to find it though as all the links to it on iboats are now broken it seems. So to be clear, coil = magneto?

Regarding replacement parts, seems to be a lot of difference in prices. Sierra is a good brand, no? Are there any brands to avoid?

 

[Dave1027]

Do a resistance test on the coils. Replace the points and condensers while you have the flywheel off.

 

[LaqueRatt]

Well if I'm following what you guys are saying, the coils are going to check out good because the engine starts and runs fine until it gets warmed up. Problems with points or condensers don't come and go, correct? So I'm leaning towards changing coils, condensers, and points. If I can figure out which I need and where to get them. If not too much trouble could somebody link me to a reasonable source of quality parts? I keep hearing they are all the same, but that isn't a whole lot of help when ordering.

 

[Chris1956]

I would expect iboats to have your ign system, as well as ebasicpower, crowleymarine, marineengine and hundreds of others. I expect they will have individual pieces or complete (points, coil, condenser) sets.

I do not have a lot of experience with those ign systems, but if you really feel like taking the chance to break down on the water again, and don't mind the chance of double work, just replace the condensers and retest. Every condenser I replaced on OBs, motorcycles, lawnmowers were either good or bad, and not dependent on temperature. But hey, you pays your money, you takes your chances.

 

[LaqueRatt]

Thanks Chris that's what I was thinking. If I decide to cheap out, I'll just change the coils as it seems real likely that's the problem here. Just wish I had the parts numbers for the coils, points, and condensers, but guess I can google em up. Wasn't the end of the world having the motor crap out on the lake, the troller got me back, but it was embarrassing and a huge buzzkill. Like the weather today. Was ready to head out under McCulloch power, but it's raining. Sometimes it seems you just can't win.

 

[saltchuckmatt]

Thanks Chris that's what I was thinking. If I decide to cheap out, I'll just change the coils as it seems real likely that's the problem here. Just wish I had the parts numbers for the coils, points, and condensers, but guess I can google em up. Wasn't the end of the world having the motor crap out on the lake, the troller got me back, but it was embarrassing and a huge buzzkill. Like the weather today. Was ready to head out under McCulloch power, but it's raining. Sometimes it seems you just can't win.

Part numbers should be easy. But I'm confused. Earlier you brought up a link to a 1975 9.9 then Jimbo sent you a 65 fastwin picture or link, not sure. What is the model number and I will send you the link.

 

[saltchuckmatt]

Thanks Chris that's what I was thinking. If I decide to cheap out, I'll just change the coils as it seems real likely that's the problem here. Just wish I had the parts numbers for the coils, points, and condensers, but guess I can google em up. Wasn't the end of the world having the motor crap out on the lake, the troller got me back, but it was embarrassing and a huge buzzkill. Like the weather today. Was ready to head out under McCulloch power, but it's raining. Sometimes it seems you just can't win.

Part numbers should be easy. But I'm confused. Earlier you brought up a link to a 1975 9.9 then Jimbo sent you a 65 sportstwin. Send me your model number and I will send you a link to the parts with parts numbers.

 

[LaqueRatt]

Sorry, my bad. I'm working on two Evinrudes at the same time. This one is the 65 Fastwin 18 that needs coils. The 9.9 needs a fuel pump gasket I believe.

I'm finding coils from $15 to $35 and seems the reviews are mixed on all of these. Even Sierra which many recommend seems to have quality control issues. Should I just roll the dice and go for the lowest price?

Are Partsrun an OK brand? They are about half the price of Sierra. What about Triumilynn?

For reference the model no is: 18502S

 

[saltchuckmatt]

Sorry, my bad. I'm working on two Evinrudes at the same time. This one is the 65 Fastwin 18 that needs coils. The 9.9 needs a fuel pump gasket I believe.

I'm finding coils from $15 to $35 and seems the reviews are mixed on all of these. Even Sierra which many recommend seems to have quality control issues. Should I just roll the dice and go for the lowest price?

Are Partsrun an OK brand? They are about half the price of Sierra.

For reference the model no is: 18502S

Well cdi makes one too. Here is what I have been told. If Evinrude still supplies it then get that one, if it doesn't then get what you can. For electrical I would probably go with cdi if I couldn't find the Evinrude part. Here is the link. Go below common parts to engine diagram then they list parts by 1, 2, 3 etc..... Then go to that number and you can see the part number. Hope this helps.

1965 Evinrude 18502 18 hp Outboard Motor Parts

Lookup Evinrude 18502 1965 18 hp parts by boat engine section and buy discount parts from our large online inventory.

www.marineengine.com