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Project Joker's Angry Fizzer 400

Discussion in 'Other Projects - Other Bikes (non 250's)' started by Joker, Nov 4, 2016.

  1. Joker

    Joker See "about me" for contact details. Contributing Member

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    Why are you still in Tasmania lol get back here :commando:
     
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  2. Linkin

    Linkin The Mechanic Premium Member Contributing Member Dirty Wheel Club

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    Easy... pull the stator cover off and get the stator out of the way... get something metal ie screwdriver and check how strong the magnetic field is on the flywheel/rotor.
     
  3. Joker

    Joker See "about me" for contact details. Contributing Member

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    Oh so you're just talking about testing if it is magnetic or not rather than to what degree it is magnetic. Sorry i think i misunderstood your original comment. That is easy.
     
  4. Joker

    Joker See "about me" for contact details. Contributing Member

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    Ok so I rang small coil rewinds in Geelong to have a chat. He said that at idle a good stator should generate around 30VAC between the phases with nothing to ground. He agrees the stator is probably on it's last legs if it's only generating the 5VAC I'm getting. I also spoke to him about Linkin's suggestion to test the magnets just to see what advice he had. He said to me it would be very rare for any of the magnets to "lose their magnetism" he said more likely one has come loose or some are broken etc. He said provided they are installed in the correct order originally he has never seen a problem in that area with old Japanese bikes, it's pretty much always the stator itself.

    So I'll need to pull the flywheel off and have a look at what is going on. I'm sorta hoping just a magnet has come off but we will see what I find. It's a $320 rewind so I'd rather not if I can avoid it!!
     
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  5. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

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  6. Joker

    Joker See "about me" for contact details. Contributing Member

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    I've contacted both sellers to ask. I am not sure about the FZR600 but it is possible it may work. I'd need a drawing to measure it to know for sure, apparently a lot of parts are compatible. As for the 3TJ variation I don't know... here's hoping. Certainly buying another is a less troublesome way of doing things, plus if I get another that works I'll put up a how to and attempt to rewind this one myself...
     
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  7. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

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    The rewind is pretty straight forward,
    just need to match up the copper wire diameter (Jaycar sell a few different diameter's), count the number of turn's around each post, and the direction the copper wire is wound on each post.
    And you're best off replacing the mylar insulating tape on each post too,
    keep all the winding's close to each other and tight (don't get any kink's in the copper wire)
    Once it's wound then all you need to do is strip back 5mm of the enamel off each winding then solder on a new wire
     
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  8. Joker

    Joker See "about me" for contact details. Contributing Member

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    Bloody hell. Finally got that flywheel bolt off but now to get the flywheel off... not sure I will be able to do this without a puller. It was suggested the OEM bar ends would work but unfortunately one size too small on the thread... Hmmmmmm
     
  9. Linkin

    Linkin The Mechanic Premium Member Contributing Member Dirty Wheel Club

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    Try using the rear axle, the thread might be the same
     
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  10. Joker

    Joker See "about me" for contact details. Contributing Member

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    That's a good suggestion thanks, I'll give it a go.
     
  11. Frankster

    Frankster Grey Pride...Adventure before Dementia Staff Member Premium Member Ride and Events Crew

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    Was this post meant for me?
     
  12. MashtX

    MashtX Well-Known Member

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    Haha no - I am in Tassy on an Internship and Stu keeps needing my Fizzer spares and tools haha

    Sent from my Pixel using Tapatalk
     
  13. Joker

    Joker See "about me" for contact details. Contributing Member

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    Well been a while since I made an update so...

    Bike is running pretty well, it's a lot of fun. I've sourced replacement carb diaphragms from china (bargain at $7 each or so) but am yet to check the fitment. I also have some new needles to go in although the emulsion tubes I have not sourced cost effectively yet. Still have a Litetek kit to go in although I think I'll do that in the winter.

    After the last long ride the rear shock started leaking so I'm going to do an R6 rear shock conversion. I picked up a rebuilt and ported shock from some guy that does racing at a good price so will retrofit when I get the time. I need to clear the stand of the other 250 first, so the bike will sit for a little while longer yet.

    20180220_195017.jpg
     
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  14. ruckusman

    ruckusman White Mans Magic Master Premium Member Dirty Wheel Club

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    Check the spring rates between the 400 and the R6 - vague memory that the linkage rates are different and spring rates differ accordingly
     
  15. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

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  16. Andych

    Andych Moderator Staff Member Premium Member Contributing Member Dirty Wheel Club

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    That spring looks to be quite a bit heavier than the R6R shock that is now in the possession of @GreyImport
    Shown here next to my FZR250 shock... UNADJUSTEDNONRAW_thumb_f4c.jpg
     
  17. ruckusman

    ruckusman White Mans Magic Master Premium Member Dirty Wheel Club

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    R6 shock -> FZR400 shock conversion spring rate discussion

    http://fzronline.com/forum/viewtopic.php?t=8003

    From memory R6 shock spring rate is 9.8kg/mm, confirmed in the above forums post also - the racetech figure looks incorrect

    Also from above - Stock FZR400 spring rate is 13.5 Kg/mm - spring lengths differ, so another one entirely is likely simpler

    Glad that the 250 conversion was simpler and only dog bones were necessary
     
  18. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

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  19. Andych

    Andych Moderator Staff Member Premium Member Contributing Member Dirty Wheel Club

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    The R6R spring rate vs 400FZR spring rate wont be an issue as the R6R has adjustable bump and rebound so you can run a softer spring for more traction and control the handling by tuning the settings.
    Not sure if the links will need to be modified.. that will also have an effect on comparing spring rates.
    No doubt it should be a better mousetrap once it is all sorted... but that might end up being just as hard as tuning FZR carbies :)
     
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  20. MashtX

    MashtX Well-Known Member

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