What size bolt to use to pull stator rotor?
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Thread: What size bolt to use to pull stator rotor?

  1. #1
    Senior Member CB450MWL's Avatar
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    What size bolt to use to pull stator rotor?

    the book says I can use a stator rotor pulling tool or the rear axle of a 350, fresh out of both. This is on my stuck parts motor I'm taking apart. Is there some way of telling how good the magnets are in it?
    1972 CB450 K5

  2. #2
    Sensei 66Sprint's Avatar
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    How hard do you have to pull to remove a stuck-to-the-magnet wrench or strap of steel?

    Pretty sure the 350 axle was JIS threading, so 16mm x 1.5 pitch IIRC......
    "I have a mind like a steel trap.....Old and rusty, of antiquated design, and hard to get stuff back out of...."
    Contact info: E-mail; [email protected] Phone; 540-525-5199

  3. #3
    Senior Member CB450MWL's Avatar
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    No it's not stuck to the stator from the magnets I have the cover off I think it's stuck on the crankshaft due to rust maybe. I have a puller that I could hook to it but I was afraid I might damage it. I'll stop at the hardware for a bolt later thanks. To pull or not to pull, if you look at the edge it looks as it might have been dropped or hit. I did read where hitting it with a hammer or anything else was not advised as it could affect the magnets. It's magnets are still strong and I'm trying to salvage everything I can from this motor so if pulling it like this might damage it, it would be nice to know.

    What size bolt to use to pull stator rotor?-thumbnail-15-.jpg

    Oh yea having trouble getting the cylinder loose, did I show the rust issue

    What size bolt to use to pull stator rotor?-thumbnail-7-.jpg
    Last edited by CB450MWL; 04-22-2019 at 06:54 AM.
    1972 CB450 K5

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    Sensei 66Sprint's Avatar
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    Just installing that "wrong" puller for the pic may have already damaged the rotor....You are likely OK if there was no pressure applied....DON'T USE THAT!
    ancientdad and WintrSol like this.
    "I have a mind like a steel trap.....Old and rusty, of antiquated design, and hard to get stuff back out of...."
    Contact info: E-mail; [email protected] Phone; 540-525-5199

  6. #5
    Senior Member CB450MWL's Avatar
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    Ok I just put it on for the pic. I know I read in my Clymer manual that "if a puller is not available, a suitable substitute can be fabricated by grinding away some of the threads from a CB350 rear axle shaft, then welding the other end to a discarded socket wrench or hex bolt." Now it is not too specific how to grind or shape the tool or really how to use it or a puller if you had one. I am just guessing that you would taper the tip to fit the center of the crank and screw it in. It looks like it is press fit with a key slot in the shaft. The guy I got the bike from collects 350's I will call and see if he has a spare axle, or go to the shop tomorrow and see if he has a tool I may use.
    1972 CB450 K5

  7. #6
    Supporting Member jd50i's Avatar
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    Is this for a 450 or a 350?
    Jim

    1973 CB 450 K6 PAMCO
    1975 CB 500T PAMCO
    1985 CB650SC Nighthawk
    1985 VF 1100S Sabre
    2012 Buddy 125 (wifes)

  8. #7
    Senior Member CB450MWL's Avatar
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    CL450K5 I bought it as a parts bike

    What size bolt to use to pull stator rotor?-thumbnail-6-.jpg
    1972 CB450 K5

  9. #8
    Supporting Member jd50i's Avatar
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    I have a puller at home. If I remember I'll get measurements off of it tonight.

    I had to use an electric impact to get mine off.
    Jim

    1973 CB 450 K6 PAMCO
    1975 CB 500T PAMCO
    1985 CB650SC Nighthawk
    1985 VF 1100S Sabre
    2012 Buddy 125 (wifes)

  10. #9
    Senior Member CB450MWL's Avatar
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    Thanks I'm going by the shop in town today to see if he has one I can borrow. Not in no real hurry, the factory manual shows it and list a part # for it so I'll do a search for one. I hate to keep borrowing stuff from the shop and not buying anything. I did buy a helmet a couple weeks ago though.
    1972 CB450 K5

  11. #10
    Senior Member Richard_Pitman's Avatar
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    Assuming that the 175/200 rotor is similar.

    I used a big bolt and my electric impact wrench, just screwed the bolt into the rotor, quick rattle with the electric wrench and it popped right off, no need to lock up transmission.

    What size bolt to use to pull stator rotor?-rotor1.jpg

    From memory, M16 x 1.5 bolt, 24mm socket required.
    1970 Honda CB175K4
    1972 Honda CL175K7
    1999 Honda CB600 Hornet
    1970 - 1972 Random heap of CB/CL/SL 175 parts, slowly being reassembled ..

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