- Location
- Houston, TX
Did you use a harmonic balancer puller?
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Super Jet At a loss...trying to get running before the season ends
- Thread starter mthomps
- Start date
Big Kahuna
Administrator
- Location
- Tuscaloosa, AL
Heat the flywheel up with your puller on it with some pressure on it. When hot use a cheater bar. If it does not pop off. Then take a hammer and hit the long bolt with a few good hits. I have literally done this and walked away only to return to find the flywheel laying in front of the motor. Do not thread the 3 bolts in any farther than the flywheel thickness.
SXIPro
JM781 Big Bore
- Location
- Here on the 'X' mostly
My SN's flywheel was stuck pretty tight. I used some kroil on the bolt hole cranked the puller as tight as I could and left it overnight. Checked it the next morning and it was off.
- Location
- New Jersey
The best solution is to use a flywheel puller. There are three threaded holes in the flywheel where you fasten the puller and pushes the flywheel of the crank shaft. Should not be a very expensive tool. Using a hammer is not recommended even if that does the job(poor crank shaft)
Edit, seems that I was a bit late to the party
Big Kahuna
Administrator
- Location
- Tuscaloosa, AL
The hammer on the puller send harmonic waves to the flywheel causing it to break its hold on the snout of the crank. Not really hitting it so hard that it knocks it off.The best solution is to use a flywheel puller. There are three threaded holes in the flywheel where you fasten the puller and pushes the flywheel of the crank shaft. Should not be a very expensive tool. Using a hammer is not recommended even if that does the job(poor crank shaft)
Edit, seems that I was a bit late to the party
- Location
- New Jersey
I was thinking about knocking the flywheel off the crank without any puller with tension mounted
That works too, but not without damaging the crank shaft.
Big Kahuna
Administrator
- Location
- Tuscaloosa, AL
You have to use a puller...............................
- Location
- New Jersey
I don't know if there is a language barrier, but I tried to say that you should use a puller and not just bang on the crank. And when I re read my post it seems pretty clear to me at least that this is what I said
Big Kahuna
Administrator
- Location
- Tuscaloosa, AL
I missed your sarcasm!!!!!!!!!!!! Yeah, that would work...........
Big Kahuna
Administrator
- Location
- Tuscaloosa, AL
Everytime I have to pull my flywheel I usually have to use the hammer trick, but have learned it so well, dont have to use heat. Few years ago I needed a stator, friend had a couch that he bought for parts. He pulled the motor out. it had been sitting for years. pulled the flywheel cover off, put the puller on thinking this is going to be a bitch, we are talking about a 1993/94 waverunner here. This was in 2011 or so. put the puller on got it tight, put my ratchet on it and put good tension on it while by buddy was looking for a cheater bar (Pipe), I put a little more pressure on it and then said "Never mind, dont need it"....... damn flywheel was sitting in my hand............. never had one come off that stinking easy. Stator looked like it just came out of the package. not a spot of rust on it or the flywheel.
@MADMAT thanks man. Maybe sunday depending on how this goes?
I'm using a puller with a ratched and a cheater bar. I hammered on it a few times. It started to get dark and I got so frustrated I just sprayed it with some blaster and walked away from it. I didn't think to leave it torqued. Damn.
After work today I'm going to try again. Hopefully I can get it off tonight and inspect the stator because I'm going to be on a camping trip the rest of the weekend.
I have a never run jetworks 701 long block sitting on the bench in the garage but I don't want to drop it in without knowing whats going on with this ski.
I'm using a puller with a ratched and a cheater bar. I hammered on it a few times. It started to get dark and I got so frustrated I just sprayed it with some blaster and walked away from it. I didn't think to leave it torqued. Damn.
After work today I'm going to try again. Hopefully I can get it off tonight and inspect the stator because I'm going to be on a camping trip the rest of the weekend.
I have a never run jetworks 701 long block sitting on the bench in the garage but I don't want to drop it in without knowing whats going on with this ski.
- Location
- NPR,FL
If the flywheel key is okay and there is no obvious problems under the flywheel try this easy test to rule out the start/stop switch.
If you have an extra known good switch hook it up and try it. If not take a friends ski and position it where you can reach your connectors with his without pulling the wires out of the handlepole.
Years ago I picked up an FX1 and it had similar symptoms to your ski. It would just die when riding it and it would intermittently sputter when cranking it over trying to get it going. After tearing through everything and wasting a lot of hours is when I figured it out.
No guarantees but an easy troubleshoot. Good luck.
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If you have an extra known good switch hook it up and try it. If not take a friends ski and position it where you can reach your connectors with his without pulling the wires out of the handlepole.
Years ago I picked up an FX1 and it had similar symptoms to your ski. It would just die when riding it and it would intermittently sputter when cranking it over trying to get it going. After tearing through everything and wasting a lot of hours is when I figured it out.
No guarantees but an easy troubleshoot. Good luck.
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didnt read all posts completely but honestly best way to pull the flywheel is with an impact gun on the other end of that puller, all can be purchased at harbor freight and these are tools you will definitely use again and again. you said after you spray fuel directly into the carb bodies it doesnt start? did you check continuity of your start/stop?
Big Kahuna
Administrator
- Location
- Tuscaloosa, AL
You have not been doing this that long. You will find on day you will be cussing. I have air impacts and there are times where it just does not just pop it loose. Other times right off... even pulled my flywheel of my 23hp Kohler lawnmower engine last spring.
My skis is alway relatively easy to pull. The half inch electric impact I use is stronger than some of the 3/8 air impacts I've used though..
Lawnmowers are a different story. That usually requires an air hammer and a pry bar lol
Yeah, Rosie relax. You and I have been at this about the same amount of time. Either I'm not a prodigy or its luck of the draw of what superjet you get and how many time it's been pulled off..i don't know. And, I'm just busting your balls. but.....
I got the flywheel off tonight. Before I left on my camping trip I sprayed some blaster in the bolt hole. Leaving to go back home my girlfriends car battery died for the second time that week and had to get jumped, so today I spent my evening replacing her alternator, lol. aaaaaaahhhg.
Finally I got back to it tonight and torqued the hell out of it and it popped right off. Hell yes. Guess the pb blaster did the trick.
Now I can for sure rule out sheered key. Tomorrow after work I'm gonna take @SXIPro 's advice and work through the tech article he linked me to. I'm trying to do research now on which coil is which.
I hope its not my start/stop because I replaced the guts just last year