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Thread: Polished Tri-Z Engine

  1. #46
    Join Date
    Apr 2011
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    Mexico
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    Quote Originally Posted by 3 Wheel Drive View Post
    Looking good! Did you go OCD on polishing your carb too?
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    There you go.
    It sucks to get old

  2. #47
    Join Date
    Apr 2011
    Location
    Mexico
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    Quote Originally Posted by yamaha_ripper98 View Post
    Any plans to do a golden/copper color inlay on the clutch covers Yamaha logo to match the kicker and studs/nuts&bolts?
    Thanks for the suggestion!

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    It sucks to get old

  3. #48
    Join Date
    Mar 2013
    Location
    Baldwin, Wi
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    603
    Quote Originally Posted by El Camexican View Post
    Tonight was spent installing the Yeager Performance sourced billet clutch.

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    That basket will rub on the inside of the clutch cover. There is a casting ridge that you need to shave down a tiny bit. It might not rub on assembly or at idle but with just a bit of RPM it expands and rubs.
    85 Tri-z Power valve on Inverts
    85 Tri-z Basket Case
    01 gsxr750 engine/Tri-z frame (long long way from complete)

  4. #49
    Join Date
    Apr 2011
    Location
    Mexico
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    Quote Originally Posted by NeverLift View Post
    That basket will rub on the inside of the clutch cover. There is a casting ridge that you need to shave down a tiny bit. It might not rub on assembly or at idle but with just a bit of RPM it expands and rubs.
    I've heard that. Even the stockers seem to rub a little on some covers.
    It sucks to get old

  5. #50
    Join Date
    Apr 2011
    Location
    Mexico
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    9,003
    All done

    LA Sleeve with 68mm bore, Wossner YZ piston, boost port added, port matched, exhaust port raised 1mm, head and cylinder decked and cut, squish set to .041”, rebuilt 39mm Keihin with small fuel valve orifice for use with fuel pump, new oem KOYO bearings throughout, Talon billet clutch basket, Sprock intake boot and stainless steel water pump, V-Force reeds and a custom case saver from a member.

    Just add ignition and go!!!

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    It sucks to get old

  6. #51
    Join Date
    Oct 2003
    Location
    Las Vegas, NV.
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    2,446
    That's a pretty engine!
    Red Rider's Sand Machine Updated 07/23/14

  7. #52
    xrider is offline Got The Holeshot Arm chair racerJust too addicted
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    Oct 2006
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    Beautiful work

  8. #53
    Join Date
    Jul 2018
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    TN
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    1,065
    Looks great! Wonder if you could do a braided stainless coolant hose? That black sticks out to me. Then again, you won't see it as much once installed.

    That's a LOT of labor.
    I was born and raised on Venus & I may be here a while.....

  9. #54
    Join Date
    Jun 2013
    Location
    Oceanside, CA.
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    610
    Looking good......another project done too perfection.

    "HJ" Click image for larger version. 

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    ’84 YT60
    ’85 350x (423cc) with ’81 XL500 head conversion
    ’83 XR500 (628cc) converted 3 Wheel hybrid
    ’73 CB750 K3 converted 3 Wheel hybrid
    ’86 TRX250R chassis XR650L engine hybrid
    ’89 TRX250R (stock )
    ’90 LT500 Quadzilla
    ’85 FL350 Odysses ( water cooled head )
    Lost (sold) but not forgotten ’80 ATC 110 (205cc on alcohol ) ’83 200x ( 222cc ) ’83 200x ( 185s eng ) ’85 350x ( stock )
    added to the collection recently, (2) '70 US90 Aquarius Blue and '74 ATC90 Daytona Orange

  10. #55
    Join Date
    Apr 2011
    Location
    Mexico
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    Quote Originally Posted by Gabriel View Post
    Looks great! Wonder if you could do a braided stainless coolant hose? That black sticks out to me. Then again, you won't see it as much once installed.
    I have no intention of putting that engine into a frame. When I die you can buy it from my wife (she'll probably give it away to spite my ghost) and put whatever hose you want on it.
    It sucks to get old

  11. #56
    fabiodriven's Avatar
    fabiodriven is offline Aspiring romance novel cover model, and the Official 3WW slayer of thieves and swindlers. Catch me if you can
    Join Date
    Jun 2008
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    The woods
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    My lord Nico! That is a ton of work!
    85 Tri-Zinger 60
    85 ATC250SX
    86 ATC250SX
    87 ATC250SX
    02 XR650L conversion
    84 ATC 480R

  12. #57
    Join Date
    Apr 2011
    Location
    Mexico
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    Quote Originally Posted by fabiodriven View Post
    My lord Nico! That is a ton of work!
    I like to think of it as OCD therapy more so than work. If polishing paid, I'd be happy to do it for a living. My buddy wants to FedEx me his sled tunnel LOL!
    Last edited by El Camexican; 03-16-2019 at 10:09 AM. Reason: Nico Suave Polishing Services, making the world a brighter place to live
    It sucks to get old

  13. #58
    Join Date
    Oct 2005
    Location
    uk
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    87
    El Camexican.
    think ive said it ......that is 1 sweet looking lump.
    how many hours did the take you,
    just started stripping my cases, and finding to many imperfections in mine, and im only 6 hours into to it.
    ian

  14. #59
    Join Date
    Apr 2011
    Location
    Mexico
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    Cool! I love me a Tri-Z build! Just finished this a few minutes ago. Same billet internals as the shiny one, but no additional boost port and it has a 68.50mm bore in an LA sleeve.

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    I didn’t keep a record, but if I were to add up all the hours spent polishing, finding parts, doing port work, contemplating various things like hardware lengths and assembly it would probably exceed 300 hours, but keep in mind that l’m not doing this for a living, so I have no motivation to cut corners on any detail and I do things like lapping parts, removing casting flash from the internals and tapering oil gallery’s, so that kind of detail makes up a lot of the time.

    Just an FYI if you’re inspecting your cases; take a good look around the area of the cases that house the starter assembly. Half the cases I have purchased have damage in that area, either from being over-rotated, or from being kicked over after sitting for a long period of time causing the retaining spring to corrode to the shaft.

    And make sure to replace that funny looking C shaped spring. When that gets weak it can result in a broken clutch cover. $3.00 VS $300.00
    It sucks to get old

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