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Project Project 162 - RC162 replica

Discussion in 'Your 250cc Projects' started by jmw76, Jan 20, 2019.

  1. jmw76

    jmw76 Well-Known Member

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    Honda cbr250rr mc22 road + 1 track, Honda RC 162 tribute bike.
    The inspiration for the engine colour scheme came from the Honda RC166 and RA271 HONDAHALL RC166I-engine.JPG 1920px-Honda_RA271E_engine_Honda_Collection_Hall.jpg (1960's F1 car) engines.

    This is a tribute bike. It is not going to be a true replica.
     
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  2. T M Fulcher

    T M Fulcher Member

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    OK I apologize, the gold looks great anyway, I did not know that Honda used this colour on their race engines, good for you.
     
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  3. Murdo

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

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    I don't think it was paint but some sort of anodizing on the magnesium parts.
     
  4. TonyZXR

    TonyZXR Active Member Premium Member

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    Could replicate it with that ceracote stuff everyone's been raving on about for a while now
     
  5. maelstrom

    maelstrom LiteTek Staff Member Premium Member 250cc Vendor Contributing Member

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    Last edited: May 9, 2019
  6. jmw76

    jmw76 Well-Known Member

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    Paint works fine. It is mostly hidden under the fairing anyway.
     
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  7. T M Fulcher

    T M Fulcher Member

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    Any updates? I'm looking forward to more progress on this awesome little project.
     
  8. jmw76

    jmw76 Well-Known Member

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    My Bike:
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    Maybe a little later. Been distracted by work.
    My Tig welder decided not to cooperate either. So I had to fix it. A 6 cent diode and a lot of diagnostic time with bugger all information available (Chinese welder).
    Had to do a bit of rework on the frame, as when I started to weld it up fully, it pulled a fair bit.
    Needed a bit of straightening here and there.
    Hopefully, I will have the bulk of the frame fabrication completed by the end of June.
     
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  9. jmw76

    jmw76 Well-Known Member

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    FEA on the modified frame bits is looking acceptable also.
     

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  10. T M Fulcher

    T M Fulcher Member

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    Great all looking good.
     
  11. jmw76

    jmw76 Well-Known Member

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    Trying to sort out some of the finer details now.
    Does anyone know what size tube gets used for the front faring, instrument and screen subframe? I have seen photos of various arrangements. They all look similar. I am thinking either 12mm of 16mm tube diameter. Maybe with a wall section of 1.6mm. Possibly in steel but Aluminium might be a bit lighter (with slightly thicker wall for increased strength???).
     
  12. Murdo

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

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    Looking at pictures I would guess at 16mm for the main frame holding the instruments/fairing and 12mm for the top screen.
     
  13. jmw76

    jmw76 Well-Known Member

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    My thoughts also. I think I will mount a 19mm tube based socket on the front of the headstem. That way it will accept 16mm and smaller. I would like to fabricate the structure in front of the headstem in aluminium to keep the weight down.
     
  14. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

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    The tubing look's thinner in this shot maybe ?

    286a6924c56fd6789260261a9f192de2.jpg
     
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  15. jmw76

    jmw76 Well-Known Member

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    Possibly. The standard MC19/MC22 tubing that supports the upper part of the fairing and mirrors is 12mm steel. With a bit of smart design, I think I should be able to use 12mm aluminium. Theoretically, it will be supporting less weight.
     
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  16. jmw76

    jmw76 Well-Known Member

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    A bit more progress during the month.
    Concentrated on finalising the main parts of the frame and all the engine support hardware and controls.
    Next month I will look at sorting the drive to the rear wheel. Then on to the exhaust system.
    I have tried to use as much as possible from the Skyteam Ace and Honda CBR250 (MC19)
    Some pics to enjoy. RIMG0794.jpg RIMG0795.jpg RIMG0796.jpg RIMG0797.jpg RIMG0801.jpg RIMG0798.jpg RIMG0799.jpg RIMG0800.jpg
     
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  17. jmw76

    jmw76 Well-Known Member

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    I hunted around for ages to try and find a solution for the torturous path the top radiator hose has to take. Ended up finding that the bottom radiator hose from a Diahatsu Charade fits perfectly!!!
     
  18. jmw76

    jmw76 Well-Known Member

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    Some details of the planned dash and fairing support frame plus the megaphones with the option of internal absorption wool.
    The front subframe will need a little more work to adapt to the fairing that I end up with.

    megaphone.JPG dash-fairing-support2.JPG
     
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  19. T M Fulcher

    T M Fulcher Member

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    Awesome project, coming along great, keep up the good work.
     
  20. jmw76

    jmw76 Well-Known Member

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    Another few progress pics RIMG0822.jpg RIMG0825.jpg RIMG0808.jpg .
     
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