Bought a 91 225 johnson for $400 as is what a bomb.

[baddjonny]

started checking it out only found spark on two cyl. #4,5 checked the power pack ng on the dead 4 cyl. Pulled flywheel was greeted with loose magnets and a burn't stator also the timer was ozzing black goo down the bearing cap . the magnet repair was a no brainer two ofthe magnets were still partly glued so I could figure the spacing marked them cleaned old epoxie and rust off flywheel scuffed it up good with 80 grit wiped it with degreaser reglued magnets with 10 min epoxie.the stator , powerpack and timer are too expensive new so Iwill ebay it with used parts since everything needs replaceing can I mix and match parts ? or should I stick with the exact part #'s I still have my old 85 150 xflow for parts but that has a two part ignition box set up.
After finding all these problems I don't want to put a lot of money into the engine till I at least hear if it runs ok.
PS just found out the trim motor is dead.
disgusted I knew I should have stayed with a merc.

jon b

[ChrisCarsonMarine]

Do a compression test before buying more parts,if the bones are good you still did pretty good.

[Action Dave]

No offense there pal, but you bought a $400 motor and expected it to work? A turn-key 91 225 is in the $2000.00 price range, maybe more depending on the condition. Like Chris said, if it's got good compression, you got a deal.

[flabum1017]

A $400 Merc would have cost you more to fix with the same problems.............

[baddjonny]

I knew when I bought it was a gamble looked it over it was ratty but complete , the story that came with the engine was that the boat that it was on sunk it was raised flushed ,repaired the wireing and cleaned the carbs and starter and run for a couple of hours it was stored for the winter next spring the engine was replaced because it cranked but would not start and it sat on the side of the guy's house for 4-5 yrs. First thing I did was rock the engine by hand suprisingly it felt ok ,then hooked a battery to it it cranked over fine did a compression test got 90-95 on two bottom cyl. the rest were a even 30 shot some PB nutbuster into a low cylinder it jumped rite up to 70-80 figured the ring's probably stuck no way 4 cyl all bad with the same compression .
So I took a shot and bought it figured I'd at worst have to do rings and a hone. but I think somone used the good electronics on the engine and stuck old junk on it to get rid of it ,oil in LU looks ok and it shifts ok . the flywheel nut was only tightened to maybe 20 ft pounds and the flywheel had grease on the taper yuk. the original engine on the boat was a 85 150 xflow with a rotted cylinder bore at the top that also has to go.

Dat's the story

jon b

[flabum1017]

I knew when I bought it was a gamble looked it over it was ratty but complete , the story that came with the engine was that the boat that it was on sunk it was raised flushed ,repaired the wireing and cleaned the carbs and starter and run for a couple of hours it was stored for the winter next spring the engine was replaced because it cranked but would not start and it sat on the side of the guy's house for 4-5 yrs. First thing I did was rock the engine by hand suprisingly it felt ok ,then hooked a battery to it it cranked over fine did a compression test got 90-95 on two bottom cyl. the rest were a even 30 shot some PB nutbuster into a low cylinder it jumped rite up to 70-80 figured the ring's probably stuck no way 4 cyl all bad with the same compression .
So I took a shot and bought it figured I'd at worst have to do rings and a hone. but I think somone used the good electronics on the engine and stuck old junk on it to get rid of it ,oil in LU looks ok and it shifts ok . the flywheel nut was only tightened to maybe 20 ft pounds and the flywheel had grease on the taper yuk. the original engine on the boat was a 85 150 xflow with a rotted cylinder bore at the top that also has to go.

Dat's the story

jon b

Well, if the lower unit is ok, you got your money's worth... you can either rebuild the powerhead and replace the electrics and have a good motor or just sell it for parts and make a few dollars....

[frederick55]

I just went through something similar on a 1988 225 looper. The 200's and 225's have similar ignition parts. Pretty much anything in the 1988-1992 is interchangable. Before or after, I don't think so. The internal wiring harness changed in 93, so the connectors don't fit without a lot of cobbing. Fortunately I had decent compression. At least I'll get some life out of it before I rebuild or change the block. Will Gross at Premier Marine in Orlando pulled it apart for me and checked everything out. He's a great guy, and really knows his OMC's. That melting and oozing is probably from a shot out rectifier. It will smoke a stator every time. Mallory makes an aftermarket rectifier for a good price. Check it out.

[baddjonny]

Funny thing regulator is the only electronic part that passed the cdi bench ohm meter test in the engine every other part was bad stator , power pack ,timer base and the trim motor I have a feeling someone ether played a switchie on the parts or when this engine went for a swim there was a battery charger pluged into the 120 volt ac line and just fried everything in the 12 volt DC line. There was enough electrolysis that the jumper clips in the trim box terminal strip were just green goop dust and the trim wires both up and down coming from the motor trim switch were open about 3" inside the insolation.
good thing I 'm good at electrical troubleshooting and have a good level of patence.

jon b

[frederick55]

Hey baddjonny, Yeah, you need patience. Fixing one problem seems to lead to another. I think I replaced everything except the timer base. It's probably next, no doubt when I'm on the water. One thing I found out with a rude 150. If theres a short in your internal harness it can take out a major part of your ignition system. I got a new aftermarket from TMS Marine Parts for 80.75 that is for the 88-89 225. It would probably work with yours. I have to get a new battery, and throw the fuel tank back in and I'm ready to go. Hopefully this week. I've wasted most of the summer chasing problems like you have, and I'm not going to the ramp until I know I'm getting back! I think my hydrostream Viking should run pretty strong with the 225, and I' m ready for a test flight. Good luck!

[baddjonny]

Well it's hose test time if it stops raining finally got all the replacement parts and have spark on all 6 even poped it off for a few sec's dry damn thing didn't want to stop even grounding the black wire with the yellow stripe so I pulled one of the main plugs on the power pack . SOO when I run it on the hose should I spray it up with merc power tune to help the rings free up or just plain 2 stroke oil this engine sat outside 4-5 yrs uncovered and has low even compression on the top 4 cylinders the bottom two are 90-95 . But it sure sounded good ideling yesterday sounded like all 6 were hitting as all the plugs were even warm. I mixed the oil at 25-1 in a little 1 gallon jug i Have. that might be enough . keeping my fingers and toes crossed after all the electricial problems.

ok to the top I hope
jon b

[baja200merk]

make sure the motor is turning over fast enough. they need to be cranked with good cables and a strong battery/starter or they will not show spark all the time. You got a deal.

[baddjonny]

Have more problems but I expected them one or two of the carb's are leaking gas drip, drip but enough , just did a compression check again after running the engine for 5-10 min on hose interesting first it seems like the port thermostat is stuck open that bank was only showing 110 on my temp gun starbard was at 148 normal I guess , on the side that warmed up fully the compression came back to almost normal 80-95 the side that stayed cooler was still fairly low 30-50 . My guess the side that got hot the piston's must have expanded enough to let the rings pop free afer their 5 year sleep also engine was lean poping alot hope it's just a cloged carb not a chewed up reed although I'v been checking the plugs for any metal so far so good clean now if the port side compression comes back then I might even give the engine a good paint job got to see what shape the thermostat is in onthe port head.

jon

[Dave S]

Should have kept the 3.4 HeHe......

[baddjonny]

I wound up have to sell the starflite trailer and engine for a grand as my sister sold my mom's house and I had to be out in a week. this has been a good project it keeps me busey the only thing that's got me worried is the compression , dave how did your friend ever make out with that pickle fork boat at your parents I helped you move ??

jon
hope all is ok with you

[Dave S]

Rick Adamzacks boat is still sleeping..... the guy that paid for is slower than dead grass.