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Tool
Oct 28, 2021 21:01:54 GMT
Post by anna on Oct 28, 2021 21:01:54 GMT
Hallo everybody. I have to work on my alternator I have been told. Me and my partner can do this, mechanic say ignition stator faulty not spark. Can anyone tell me if this is right tool to remove the fly wheel part? It is stamped with number 07933-395000. Thank you for advise. Anna
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Tool
Oct 28, 2021 21:35:22 GMT
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Post by johnfcbn44dx on Oct 28, 2021 21:35:22 GMT
I've got the 07733-002-0001, but bought it years ago, not at the current price! As long as it is M20x1.5 pitch. Someone said they cut the end off a piece of steel electrical conduit, with that thread, drilled a hole, and stuck a screw driver through. The other one is if you had an old oil filter bolt.... Sorry can't confirm your original question unfortunately...it looks OK though.
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Tool
Oct 29, 2021 5:25:53 GMT
Post by buster on Oct 29, 2021 5:25:53 GMT
as john said, m20 1.5mm pitch, easy way to check, count 10 threads and measure with a good engineers ruler (should be 15mm) or check the thread against the oil filter bolt.
the stator can be tested on the bike without removing it, fingers crossed its ok
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Tool
Oct 29, 2021 7:10:45 GMT
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buster likes this
Post by johnjones on Oct 29, 2021 7:10:45 GMT
Hi Anna, it's good that you have a good tool the remove the flywheel.
What is the problem with the bike, it doesn't like to rev over 4 to 5 k revs ?
Or is the bike refusing to start ?
Post your exact bike.
You know of CMSNL for the exploded views and component pictures.
Also, try disconnecting the CDI unit black/white wire and try again,this wire is earthed via ign switch and handlebar switch to kill ign.
If this wire is disconnected the ign switch turned to off will not now make the engine stop.
You have a wiring diagram and digital multimeter ?
One other thing, research red neon plug caps which are a great help with ignition problems, but you will have to make an adapter so the neons fit in line from oe plug caps to plug.
There should be stator test data in here somewhere.
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Tool
Oct 29, 2021 8:11:17 GMT
Post by buster on Oct 29, 2021 8:11:17 GMT
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Tool
Oct 29, 2021 9:32:27 GMT
Post by johnfcbn44dx on Oct 29, 2021 9:32:27 GMT
Info The CB400ND appears to have the same stator as the rest of the family;-
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Tool
Oct 29, 2021 11:27:55 GMT
Post by andy1kenobe on Oct 29, 2021 11:27:55 GMT
The oil filter bolt worked well for me on that very stuck flywheel on The Black Pig...Along with boiling water and a few love taps . I wouldn't think you will need to use any such techniques to remove it from your bike.
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Tool
Nov 1, 2021 18:37:31 GMT
Post by Chris P Duck on Nov 1, 2021 18:37:31 GMT
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Tool
Nov 1, 2021 19:31:30 GMT
Post by McLellan on Nov 1, 2021 19:31:30 GMT
How come some pullers shown on youtube have a nut that you hold with one spanner and others don't? I bought this one recently, but not used it yet. Is it missing a piece?
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Tool
Nov 1, 2021 19:42:00 GMT
Post by buster on Nov 1, 2021 19:42:00 GMT
How come some pullers shown on youtube have a nut that you hold with one spanner and others don't? I bought this one recently, but not used it yet. Is it missing a piece? if they are well made the type with an inner bolt are very good (nip the m20 thread up, then hold with a spanner and use the inner bolt to prise the mag wheel off the taper) I had one years ago that fitted my old yam powervalve. the type you've pictured is fine too so long as the threads sturdy, I firmly nip it up, then tap round with a nylon hammer, then hit the ratchet with the palm of my hand, it usually shifts them
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Post by anna on Nov 4, 2021 17:29:31 GMT
Thank you everbody. My problem was not this in the end, readings were okay. It was little black electric box under fuel tank, I found another on ebay and sparking again.
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Tool
Nov 4, 2021 18:31:54 GMT
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Post by johnjones on Nov 4, 2021 18:31:54 GMT
Is there CDI test data on here ??
Glad you got it fixed Anna.
Tabulate your stator test data both cold and hot for your future reference.
Also acv outputs.
Also CDI test data.
You may need it for comparison at a later date. It's handy to have, believe me.
Did you research the red neons, very good testing kit for ign diagnosis.
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Tool
Nov 4, 2021 18:41:12 GMT
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Post by johnjones on Nov 4, 2021 18:41:12 GMT
McAllen, watch the video, a flywheel magneto, left hand thread.
The "inner bolt" presses on the end of the crank to defeat the tapers "grip".
SD is slightly different, right hand thread screws into flywheel, with the extractor bolt end pressing on the end of the crank to defeat the tapers grip.
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Tool
Nov 4, 2021 20:06:54 GMT
Post by McLellan on Nov 4, 2021 20:06:54 GMT
McAllen, watch the video, a flywheel magneto, left hand thread. The "inner bolt" presses on the end of the crank to defeat the tapers "grip". SD is slightly different, right hand thread screws into flywheel, with the extractor bolt end pressing on the end of the crank to defeat the tapers grip. Cheers Jon so your saying that the tool I have above screws in like a normal thread (to the right) and as I get my spanner on the end and turn it tighter the flywheel should pop off? Am I getting you right?
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Post by johnjones on Nov 4, 2021 22:31:53 GMT
On an SD, yes...if your lucky.
It may need some incouragement...
Someone said adding hot water, to expand the metal hub a bit.
I had to do that many many many years ago on a stubborn cx500 flywheel...
My SD flywheel extractor is a long bolt, about a foot long from memory. I have a very good fitting old ling ring spanner and wooden mallet.
I position the spanner and give its end a good wack with the mallet, comes off easy.
The long bolt gives me good control of the flywheel, acts like a handle, strong magnets in them there flywheels !
Your really extracting the hub off the taper, the actual flywheel is riveted to the hub.
I also have a dedicated flywheel holder that fits over the hub, the hub acts like a register, a "positioner" if you will. The holder, a disc with a long handle, has SHORT pins that use the flywheel windows and "holds" the flywheel unit, a holder to stop the flywheel turning. A good tool when it comes time to tighten the flywheel bolt also.
You could use the gears and back brake but a holder is better.
DO NOT BE TEMPTED to insert something inside the flywheel windows to lock the flywheel, to stop it from turning. There are fragile easily ruined expensive coils in there !
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