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Post by lain on Jul 27, 2015 7:59:51 GMT -5
So I have a defective oil pump in my 50cc, but while I was tearing down I discovered the previous owner stripped the flywheel threads completely off. The threads are just barely there, and when I try to use my flywheel pullere it just pops out because the threads wont hold anything because they are so bad... How can I remove this flywheel without a puller?
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Post by cyborg on Jul 27, 2015 8:33:20 GMT -5
a larger three claw puller that pulls from the rim and a central pin that pushes on the crank tip,,,but restoring the threads is the real chore here,,you may be able to recut the threads and go down a half size on the nut,,just a thought
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Post by lain on Jul 27, 2015 10:08:31 GMT -5
a larger three claw puller that pulls from the rim and a central pin that pushes on the crank tip,,,but restoring the threads is the real chore here,,you may be able to recut the threads and go down a half size on the nut,,just a thought I have a spare flywheel. Can you link me to what youre talking about? Would this work? www.amazon.com/TEKTON-5690-6-Inch-3-Jaw-Puller/dp/B000NPT68Y |
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Post by tvnacman on Jul 27, 2015 13:08:30 GMT -5
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Post by cyborg on Jul 27, 2015 13:39:35 GMT -5
If to have threaded inserts in your flywheel by all means use the bolt style puller tvnacdude suggests,,, the 3 jaw puller will work fine if you have the room to get the claws behind the " bell" of the flywheel just be easy with it so you don't distort or bend the flywheel,,, I don't know what your dough situation is like but both the bolt and claw type are so inexpensive I'd get both,,, they are very handy to have
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Post by lain on Jul 27, 2015 13:52:35 GMT -5
Really wish people read instead of skimming. Thanks but as I said I have flywheel pullers but the flywheel was stripped by previous owner. Gonna try a claw puller tool.
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Post by tvnacman on Jul 27, 2015 13:55:36 GMT -5
Really wish people read instead of skimming. Thanks but as I said I have flywheel pullers but the flywheel was stripped by previous owner. Gonna try a claw puller tool. so the threads in the center are striped and the threads for the fan are striped too, how dooes the fan stay on? |
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Post by cyborg on Jul 27, 2015 14:22:51 GMT -5
Really wish people read instead of skimming. Thanks but as I said I have flywheel pullers but the flywheel was stripped by previous owner. Gonna try a claw puller tool. . What are you saying?,,,, I think the claw and the steering wheel puller are both handy,,, I have several in different sizes |
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Post by lain on Jul 27, 2015 16:34:43 GMT -5
Really wish people read instead of skimming. Thanks but as I said I have flywheel pullers but the flywheel was stripped by previous owner. Gonna try a claw puller tool. so the threads in the center are striped and the threads for the fan are striped too, how dooes the fan stay on? Have you ever removed a flywheel before? The threads the puller goes in are not where the fan screws in. Lately you have been posting a lot of nonsense. The other day you didnt know the CVT cases had pickup coils in them in a lot of models, swearing that you've never seen them but here in my area they are on 100% of all dealer sold scooters. Now we are talking about flywheels and you just seem to be confused like you've never done it before. Anyways cyborg thanks for the advise, I found a claw puller for gears at the store, gonna try it out, seems like the only hard part will be getting the ledges of the puller under the bell like you said. Will let you know how it works out. |
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Post by tvnacman on Jul 27, 2015 17:00:08 GMT -5
Gee Lain you seem to have it for me, I'll get a picture of the puller using the ban bolt holes. While you get the picture of the cvt sensor.
John
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Post by lain on Jul 27, 2015 17:14:54 GMT -5
Gee Lain you seem to have it for me, I'll get a picture of the puller using the ban bolt holes. While you get the picture of the cvt sensor. John The thing is I believe you believe there is no such thing, but I wonder what you think the 6th pin on CDI's are for if not for the pickup, it is the wire that goes to the pickup in the CVT case. A lot of videos say to cut the wire at the CDI but do not explain what it goes to. I do not have a stock dealer case with a pickup anymore since I removed the pickup and rigged it to be used as a flywheel pickup since it is the same exact pickup coil. All I can show you is my old stock case that has the screw holes where I removed the pickup. Have you ever noticed how stock clutch bells have a nub on it like the flywheel? I do not have it out for you, just find it annoying you do not read fully, and as a result post misleading information very often. As a respected member and a parts vendor you should read fully, people count on you for advise it seems, and they do not know better to understand you giving them advise about the wrong thing sometimes, no bad advise just you don't read then post advise about other things that may lead less informed members off the track of fixing the problem.  |
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Post by tvnacman on Jul 27, 2015 17:56:03 GMT -5
lain The puller I linked you to from harbor freight, I used that puller with longer bolts and fender washers. Thread the longer bolts into the screw hole for the fan. Then work the center bolt into the crank and it pops off. The 3 jaw puller is very stress full on the flywheel. If it breaks the hub from the flywheel may give you big problems getting it off.  
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Post by rcq92130 on Jul 27, 2015 19:04:11 GMT -5
so the threads in the center are striped and the threads for the fan are striped too, how dooes the fan stay on? Have you ever removed a flywheel before? The threads the puller goes in are not where the fan screws in. Lately you have been posting a lot of nonsense. The other day you didnt know the CVT cases had pickup coils in them in a lot of models, swearing that you've never seen them but here in my area they are on 100% of all dealer sold scooters. Now we are talking about flywheels and you just seem to be confused like you've never done it before. Anyways cyborg thanks for the advise, I found a claw puller for gears at the store, gonna try it out, seems like the only hard part will be getting the ledges of the puller under the bell like you said. Will let you know how it works out. Geeze, Lain - why are you attacking another who is here offering help to others without pay - a volunteer? There was a time when we all, including you, were not as knowledgeable as we now are and were no doubt giving out erroneous info. If, at that time, someone jumped down my throat for something I'd probably not be very inclined to come back and help. If you don't like someone's advice just ignore it ... or, at most, send a PM for clarification. If it were me I would consider apologizing. I doubt John was trying to harm you. |
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Post by lain on Jul 27, 2015 19:57:55 GMT -5
lain The puller I linked you to from harbor freight, I used that puller with longer bolts and fender washers. Thread the longer bolts into the screw hole for the fan. Then work the center bolt into the crank and it pops off. The 3 jaw puller is very stress full on the flywheel. If it breaks the hub from the flywheel may give you big problems getting it off. Looks pretty handy. I tried the claw type puller.. darn arms on the puller bent outwards so now it is useless, made 0 progress taking the flywheel off but thankfully didn't damage the scooter, going to try your puller method next. Thanks. What exactly is holding the flywheel on so tightly? Magnetic force? I can't understand how a flywheel that has not nuts holding it down totals a brand new claw puller made of carbon steel. The flywheel must have been a problem for the threaded puller when the previous owner had it as well since the inside threads for the puller located on the flywheel were stripped before I even tried. |
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Post by rcq92130 on Jul 27, 2015 20:46:38 GMT -5
lain The puller I linked you to from harbor freight, I used that puller with longer bolts and fender washers. Thread the longer bolts into the screw hole for the fan. Then work the center bolt into the crank and it pops off. The 3 jaw puller is very stress full on the flywheel. If it breaks the hub from the flywheel may give you big problems getting it off. Looks pretty handy. I tried the claw type puller.. darn arms on the puller bent outwards so now it is useless, made 0 progress taking the flywheel off but thankfully didn't damage the scooter, going to try your puller method next. Thanks. What exactly is holding the flywheel on so tightly? Magnetic force? I can't understand how a flywheel that has not nuts holding it down totals a brand new claw puller made of carbon steel. The flywheel must have been a problem for the threaded puller when the previous owner had it as well since the inside threads for the puller located on the flywheel were stripped before I even tried. Splined items that are made with very close tolerances with the shaft they fit on often get "frozen". Some ti8mes it helps to put the puller on, pulling against the flywheel, and then tapping it with a hammer. but be careful - you do NOT want to damage any threads. Spray first with WD40. Also, s0ometimes it helps to take a propane torch to the area of splines, though you need to be VERY careful, as there is a rubber seal right behind the flywheel and it's easily damaged by heat. |
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