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Project My Fizzer

Discussion in 'Your 250cc Projects' started by GreyImport, Sep 24, 2012.

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  1. ruckusman

    ruckusman White Mans Magic Master Premium Member Dirty Wheel Club

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    That smoke looks like valve stem seals, it seems to collect in the exhaust on idle them get blown out on the blip on the throttle.

    I've just found a reasonably priced set on ebay, just in case I need to do mine once I get it running.

    http://www.ebay.com/itm/Valve-Stem-...Parts_Accessories&vxp=mtr&hash=item43c1656e83

    These guys seem to have everything for complete engine rebuilds minus the cylinder head and base gaskets.
    I'm not however planning on doing that, though I'm willing to bet they're out of the same factory as the genuine parts - just not the genuine box.

    I am concocting a way to do valve stems with the cylinder head still attached, and it's not difficult at all.

    If any of my engine bearings are noisy then I'll do a full rebuild with a howto - I'm hoping they're not though ;) The masochistic part of me enjoys rebuilding engines though...the contradictions

    For reference I just rebuilt a Barina XC Z14XE engine and the parts from the UK weren't expensive at all, only difference was the boxes were from OEM suppliers. ~$650 for all parts including a full set of 16 new valves.

    peace out
     
    • Like Like x 1
    ruckusman, Nov 17, 2013
    #221
  2. maelstrom

    maelstrom LiteTek Staff Member Premium Member 250cc Vendor Contributing Member

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    Given that Grey's bike has been sitting for a long time and that the smoke clears up after some running, Ruckusman's prognosis could well be the correct one. If you are going to pressurise the cylinders to replace the seals in situ, just be very careful when you first try to compress the valve spring. You want the valve to stay put as you compress the spring but the collets can be sticky. A light tap with a drift on to the spring retainer before attempting to compress the spring should help. Myself I would just pop the head off, but that's just me.
    cheers
    Blair
     
    maelstrom, Nov 17, 2013
    #222
  3. Murdo

    Murdo The Good Doctor Staff Member Contributing Member Ride and Events Crew

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    If you REALLY must do it with the head in situ, an old trick is to remove the plug and with the piston at the bottom of cylinder feed in as much small rope as you can, then turn the crank to bring piston up the bore compressing the rope. This will hold the valves closed so you can compress the springs to remove the collets. I would suggest using about 6mm rope for this to help with cylinder filling, leaving some exposed to remove after valve spring is refitted. Should be cheap enough at Bunning's.
     
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    Murdo, Nov 17, 2013
    #223
  4. ruckusman

    ruckusman White Mans Magic Master Premium Member Dirty Wheel Club

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    That's exactly the technique I was going to describe - well done. It beats having to remove the head and the excessive cost of the gaskets - which is way too high IMO.

    If I were to remove the cylinder head I'd be thinking, OH why not, new rings, then it's be check the crank and main bearings, OH why not replace them if the crank measures up to spec and before long you've spent way more than intended. It's easy to get carried away

    Only bonus would be checking the valve seats and valves themselves.

    peace out
     
    ruckusman, Nov 17, 2013
    #224
  5. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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    JOINT, AIR CLEANER
    3LN-14453-00 x 4 on order from my local Yamaha dealer
    $11.30 each .... which is ok when u factor in shipping with the other sources.



    Something that my mate the parts guy confirmed for me also for anyone looking for genuine parts

    3LN-14453-00-00

    Red = Bike model
    Blue = The actual part number .... the important bit
    Green = 00 is original issue , 01 is superceded , etc
    Orange = American reference number
     
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    GreyImport, Nov 19, 2013
    #225
  6. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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    Looks to be a Yam system that seems to follow some logic

    Heres the info on the Suzuki exhaust gasket I still have up .... doesnt seem to follow the same path

    fits: Suzuki
    OEM number: 14181-05020
    product number: 1418105020

    this product is superseded by 1418118C00
     
    GreyImport, Nov 19, 2013
    #226
  7. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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    Airbox rubbers 101

    $47.84

    airbox boots.jpg
     
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    GreyImport, Nov 21, 2013
    #227
  8. maelstrom

    maelstrom LiteTek Staff Member Premium Member 250cc Vendor Contributing Member

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    Hey Mr Grey, how come your local dealer could get these? Do they fit a Yamaha that was imported to Aus?
    Come on get that fizzer fired up in earnest. I need a fizzer pic for my postcard page.
    I'm still waiting for Phil to send me a nice Bandit shot. Where are you Phil?
     
    maelstrom, Nov 21, 2013
    #228
  9. maelstrom

    maelstrom LiteTek Staff Member Premium Member 250cc Vendor Contributing Member

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    Now Mr Grey,
    About that photo;
    background mmmmmm a little gaudy,
    lighting ok,
    but what happened to your usual on the money focus?
     
    maelstrom, Nov 21, 2013
    #229
  10. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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    Thats a good question ...one I should have asked him .

    Photo was just a rush job as my enthusiasm for it is zero at the moment.
     
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    GreyImport, Nov 21, 2013
    #230
  11. Phil

    Phil Senior Member Contributing Member

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    They look good Grey, once fitted and the bike runs as you want it to, one would assume that is the best $50.00 you spent of recent. We can't wait to hear her running as this will lift your spirits and all the hard work will soon become but a distant nightmare. Time to enjoy the fruits of your labour. :thumb_ups:
     
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    Phil, Nov 21, 2013
    #231
  12. fzrfixer

    fzrfixer Member

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    Are they any softer then the originals :mad: I should hope so
    that was the one job I always hated on my fizzer absolute bugger to get back on to the carbys
    Bike is coming on great!!!
     
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    fzrfixer, Nov 25, 2013
    #232
  13. ruckusman

    ruckusman White Mans Magic Master Premium Member Dirty Wheel Club

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    When I was rebuilding the carbs I got some silicone grease for re-assembly. Since then I've used it on brake seals, fork seals and everything else rubber, so soon my carbs when refitting also. It makes it so much easier re-assembling rubber parts and it helps preserve them and make airtight seals also.

    I've already tested it with the carbs back into their manifold - huge difference compared to removing them.

    I apply it with cotton buds so a small tube will last years.

    Castrol I think make red rubber grease, though the brand I got was blue - same stuff different colour.

    peace out
     
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    ruckusman, Nov 26, 2013
    #233
  14. Phil

    Phil Senior Member Contributing Member

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    Think I might invest in a tube, carbs can be such a pain and of recent I've taken to a quick spray of wd40 and they slide in no problems. The silicone grease will have a longer life span I would guess, anything to ease the pain.:thumb_ups:
     
    Phil, Nov 26, 2013
    #234
  15. maelstrom

    maelstrom LiteTek Staff Member Premium Member 250cc Vendor Contributing Member

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    Actually red rubber grease is made from castor oil and calcium soap, whatever that might be, and is primarily aimed at brake seals. I used to use silicone grease for electrical terminals too.
     
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    maelstrom, Nov 26, 2013
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  16. risky

    risky risky

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    wonder what would happen if you licked your fingers?
     
    risky, Nov 26, 2013
    #236
  17. maelstrom

    maelstrom LiteTek Staff Member Premium Member 250cc Vendor Contributing Member

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    Your teeth will feel stronger and you will feel a sudden urge to visit the toilet. :)
     
    maelstrom, Nov 26, 2013
    #237
  18. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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    Im AWOL for a few days and my thread goes down the toilet! :help:


    Yes they are awesome ...highly recommended .....this one took me 5 minutes to get it in place ...... very flexible though :thumb_ups:


    boot 2.jpg boot 1.jpg
     
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    GreyImport, Nov 26, 2013
    #238
  19. Phil

    Phil Senior Member Contributing Member

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    Amazing how a rubber can change your life:lolsign: Sounds like your on a winner.:thumb_ups:
     
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    Phil, Nov 26, 2013
    #239
  20. Revolver

    Revolver Big Member Premium Member

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    Don't know why this thread hasn't shown up on my alerts or emails. A lot has happened since I last viewed this thread.

    Well done on getting it running, especially after all that carb trouble. Bit smoky though.

    GI, where did you get your bar ends from? I'm looking to replace mine. Both bikes aren't the best. Head on over to mine for an update.
     
    Revolver, Nov 27, 2013
    #240
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