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Thread: Blue haze

  1. #31
    Jak Sie Masz! trent from punchy's Avatar
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    CBR250RR has dual lines stock too, no issues.
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  2. #32
    Registered User MVLUV's Avatar
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    Quote Originally Posted by Slain View Post
    No problem changing it to a dual banjo and line as long as the braided lines are marked as ADR approved. I use HEL lines for this reason.
    Good to see another smoker around, I'm currently rebuilding a KR1 which my neighbours hate.
    Before I pulled it apart I also used to treat my neighbors to the aural and nasal pleasure of two stroke. Should be more of it.

  3. #33
    Registered User MVLUV's Avatar
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    While engine is out it is a good opportunity to de-grease the engine and frame. After uncovering 20 years of oil and grime it appears the lower shock mount is not cracked which is common for this model.
    De-greasing the engine prior to removing cylinders would have been a better idea. My solution was to hang the engine upside down to avoid getting any unwanted grime and degreaser in the crank case.
    Output shaft seems to be in fair condition also as its another common ailment for this model.
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  4. #34
    Registered User 51ave's Avatar
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    Looks awesome mate! Inspiring me to look into getting something cheap to have a play with/learn from that won't matter if I butcher


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  5. #35
    Registered User MVLUV's Avatar
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    Have been cleaning the frame...... lots.
    Went through about 12 cans of degreaser on engine and frame. First pic of webbing inside frame was black prior to cleaning.
    I new that the choke guides were prone to breaking on these so in my bc engineering order was their billet choke guides. Sure enough on close inpection one was broken.
    Fairly easy to change, just unscrew from carb body remove plunger and thread off old plastic guide and place new one on.
    Small steps at the moment waiting on cylinders but I like doing these small detail jobs.
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  6. #36
    Non Compos Mentos Gammaboy's Avatar
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    BC are good guys. Next time I break one of those fucking choke things, I'll get a set from BC.
    "Where can we get hold of a Vincent Black Shadow?" "Whats that?" "A fantastic bike," I said. "The new model is something like two thousand cubic inches, developing two hundred brake-horsepower at four thousand revolutions per minute on a magnesium frame with two styrofoam seats and a total curb weight of exactly two hundred pounds."

  7. #37
    Registered User MVLUV's Avatar
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    As I intend to run 1.4mm base gaskets compared to the standard 0.5mm gaskets, a few things need to change and one of them is the deck height of the cylinder heads.

    The two options are to run the standard heads sans head gasket and have a groove machined to take an oring (tz).

    The other far more sexy option is to go aftermarket. The benefits aparantly are centering the plugs, better ports for cooling, replaceable inserts and no gaskets just orings, blah blah blah I like them cause they are shiny.
    The pics show the heads with standard inserts.
    Below these are custom inserts with neg deck height to hopefully maintain about 0.9 squish and 12.00cc volume.

    In the closeup of the inserts, you may be able to se the positive height / recess of the standard and the negative height /proud machining.

    VHM make blanks so you can order those yourself or just send your specs and they will cut the blanks for you.

    The standard cylinders on the right have had the uuheels treatment pre photos are further up they look better than new.
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  8. #38
    Registered User MVLUV's Avatar
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    Pipes and fairings have also arrived. Its a travesty the pipes will be mostly covered.
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  9. #39
    Registered User THE CHIEF's Avatar
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    Definitely a travesty. Pipes look beautiful. Also had an RGV a couple of decades ago, lol. Was a 92 model N. Was pretty sweet. They're definitely a rare sight these days.

  10. #40
    Non Compos Mentos Gammaboy's Avatar
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    Quote Originally Posted by MVLUV View Post
    As I intend to run 1.4mm base gaskets compared to the standard 0.5mm gaskets, a few things need to change and one of them is the deck height of the cylinder heads.

    The two options are to run the standard heads sans head gasket and have a groove machined to take an oring (tz).

    The other far more sexy option is to go aftermarket. The benefits aparantly are centering the plugs, better ports for cooling, replaceable inserts and no gaskets just orings, blah blah blah I like them cause they are shiny.
    The pics show the heads with standard inserts.
    Below these are custom inserts with neg deck height to hopefully maintain about 0.9 squish and 12.00cc volume.

    In the closeup of the inserts, you may be able to se the positive height / recess of the standard and the negative height /proud machining.

    VHM make blanks so you can order those yourself or just send your specs and they will cut the blanks for you.

    The standard cylinders on the right have had the uuheels treatment pre photos are further up they look better than new.
    Can you take some pics of the heads without the inserts installed? I'm contemplating making a set of heads for my VJ23 motor to take VHM RM125 inserts...
    "Where can we get hold of a Vincent Black Shadow?" "Whats that?" "A fantastic bike," I said. "The new model is something like two thousand cubic inches, developing two hundred brake-horsepower at four thousand revolutions per minute on a magnesium frame with two styrofoam seats and a total curb weight of exactly two hundred pounds."

  11. #41
    Registered User MVLUV's Avatar
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    Let me know if you want to take some measurements, I won't be screwing them on for another 3 or 4 weeks.
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  12. #42
    Non Compos Mentos Gammaboy's Avatar
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    That would be most excellent! I'll shoot you a PM
    "Where can we get hold of a Vincent Black Shadow?" "Whats that?" "A fantastic bike," I said. "The new model is something like two thousand cubic inches, developing two hundred brake-horsepower at four thousand revolutions per minute on a magnesium frame with two styrofoam seats and a total curb weight of exactly two hundred pounds."

  13. #43
    You 'gon take that deeuck fat910's Avatar
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    Fuck Tyga do some sexy pipes!
    They say i know fuck nothing, but i know fuck all!

  14. #44
    Registered User MVLUV's Avatar
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    .
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  15. #45
    Non Compos Mentos Gammaboy's Avatar
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    Champion!
    "Where can we get hold of a Vincent Black Shadow?" "Whats that?" "A fantastic bike," I said. "The new model is something like two thousand cubic inches, developing two hundred brake-horsepower at four thousand revolutions per minute on a magnesium frame with two styrofoam seats and a total curb weight of exactly two hundred pounds."

  16. #46
    Registered User MVLUV's Avatar
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    Forks done, heavier springs, custom valving with rebound on one leg and compression on the other. Non stiction oil and new seals.
    Lower legs vapour blasted as you can see in the first pic was pretty grubby.
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  17. #47
    Temporary Australian Rorz de Puniet's Avatar
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    This is coming together real nice.
    Randy De Puniet has had more crashes than any other rider in the history of Grand Prix motorcycle racing.

  18. #48
    Registered User MVLUV's Avatar
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    Started assembly of the cylinder heads and installing vertex pistons. As with the standard pistons they have a pin in the ring groove so the gaps stay clocked in a certain position. Which after looking is away from the exhaust port.
    BC engineering gear is great except for the pv collars, the 4mm holes look like they are drilled slightly off centre so the pin that joins through both pv's and collars won't go through. Took one side of each collar out to 4.5mm and fits well with no play.
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  19. #49
    Registered User MVLUV's Avatar
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    Here is a good comparison shot of standard power valve and BC engineering one. You can see the roll pins in the standard one on the right. This is the achilles heel of the vj22.
    The internets state they went through 3 generations. The first had a small pin about 4mm I think. The second had a slightly larger pin, then finally this design which is two pins.
    They are all still prone to bending or shearing and putting debris or the power valve blade into the chamber.
    The second pic shows how the hole has become elongated over the years and approx 38k assuming these are the original items.
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  20. #50
    Jak Sie Masz! trent from punchy's Avatar
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    How much did the fork job cost?
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    2017 Subaru Impreza Hatch - for the grind
    2015 Cervelo S2 - for the fitness
    2005 Honda Accord Euro - for the wife
    1991 CBR250RR - for the fun

  21. #51
    Registered User MVLUV's Avatar
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    Quote Originally Posted by trent from punchy View Post
    How much did the fork job cost?
    $500

  22. #52
    Registered User MVLUV's Avatar
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    Wheels and swingarm done.
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