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Thread: I found a bike. It's now mine.

  1. #121
    Jak Sie Masz! trent from punchy's Avatar
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    car wash first, and then autoglym car polish. It's my favourite.
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  2. #122
    Jak Sie Masz! trent from punchy's Avatar
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    Brake day. This was always going to be a bit time consuming, but that's fine, brakes only slow you down.

    The new pistons arrived and it was time to assemble the calipers.


    The key part is right where the seals are, so there was no saving the old ones.

    Firstly had to rip out the old seals, and as the diameter of the pistons is pretty small, this was quite tedious.


    4 seals each side.

    I was planning on painting the calipers myself, so a preparation is key.


    nothing beats a good wire wheeling.


    This is the stuff.

    I taped up all the screw holes, the bleed, the fluid feel, but thought the piston chambers would be a big hassle to tape up properly, then I realised I wasnt going to be using the old pistons again, so they made the perfect mask.




    3 coats with at least 10 min between and they are looking good.

    Then I gave them a good 3 hours plus to dry properly before taking them down.

    and then bake for an hour at 100 degrees C.


    and ding..


    look almost as good as powdercoated.


    ready for assembly with new hardware


    the new seals were a bit fiddly to pop on correctly, they kept twisting on me, but finally got there.


    pistons in and brackets on


    Don't forget the spring


    I went for organic pads, some say they feel better, I'm not planning on tracking this bike just yet.


    all new hardware in ready to mount.

    tomorrow we mount, and then rebuild the master cylinder.
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  3. #123
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    no paint and bake on the mounts ?
    ......................

  4. #124
    Registered User FioriGuy's Avatar
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    I like the contrast between mounts and callipers like that

  5. #125
    Jak Sie Masz! trent from punchy's Avatar
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    Yeah was thinking about it. But that's how it is stock. Forks and mounts are alloy and silver. Calipers are heavier and black.
    www.markpakula.com
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  6. #126
    Weeeeee XXX19X's Avatar
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    You planning on selling it post "restoration"?

  7. #127
    Jak Sie Masz! trent from punchy's Avatar
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    I'll see how I go riding it first, if it's annoyingly small yeah I'll flip it.
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  8. #128
    Wanker MexicanBatman's Avatar
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    $2k

    It's all I have
    ..........

  9. #129
    Jak Sie Masz! trent from punchy's Avatar
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    Spent more than that on new parts.
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  10. #130
    Jak Sie Masz! trent from punchy's Avatar
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    Put the brakes on.
    It's quick and easy when there is no fluid.



    But, that sound that I always dread:



    Something was grinding. Wasn't sure what, the pads were well off, there didn't seem to be any part of the bracket or caliper itself hitting the disc.
    I thought the disc was a bit warped, spinning it, the disc looked rock solid straight, so I thought maybe it's a little egg shaped as it was only really grinding on a certain spot.
    I thought of grinding the disc down a bit, which wouldn't really affect it's performance. But I took the calipers off and had a good look.
    Nothing seemed out of the ordinary.
    It did look like it was grinding on that spring spreader thing shim, which was a little weird.
    Looked that part up online, and realised it's meant to go half out.


    Like that.
    That'll do it.

    https://www.youtube.com/watch?v=egBwLaip11Y
    Now silent. The sound is rain pouring on my garage this arvo.

    The other thing was to fit the triple top clamp.
    I was thinking of DIYing this again and using the caliper paint, but I figure this part tends to get pretty hammered , and you are always looking at it, so powder was the way to go.


    wired


    Boom.
    Joe at Forza Performance Coatings did a stellar job. Just the way I liked it, not too matte, not too glossy.



    Putting this back on was fun, it's like the icing on the cake.
    www.markpakula.com
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  11. #131
    Jak Sie Masz! trent from punchy's Avatar
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    Carb kit arrived.

    Question is, do I just strip them out and spray the crap out, but leave all 4 linked, and fit the new parts:



    Or take them all apart and soak in a bath to make them all super clean:



    My concern is putting them back together will be much harder to balance.
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  12. #132
    Registered User FioriGuy's Avatar
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    Make them all super clean as you'll be having to get them all balanced anyway....

  13. #133
    Non Compos Mentos Gammaboy's Avatar
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    You have to split them to replace the feed o-rings anyway.
    "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."

  14. #134
    Registered User piss98's Avatar
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    +1 split, why go that far and half arse it! Same goes for caliper bracket - could always spray it silver as now it looks old and mank next to the pretty caliper paint (they came up goodly too!)
    Hide yo' wife!!!

  15. #135
    Registered User FioriGuy's Avatar
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    Rubbing the calliper bracket with a coke soaked rag should un-mank it

  16. #136
    Jak Sie Masz! trent from punchy's Avatar
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    She's ALIVE!

    Running sweet.
    Phew.

    Took my time doing the carbs, doing one at a time to ensure parts aren't mixed up or forgotten.


    Good idea to take a pic as a reference image, cus it's very easy to stuff up the other of things.


    Each carb was emptied, the old jets and valves filed under B for bin (well no, I'm going to keep them as a do not use spare)
    Wurth carb cleaner seemed like the best stuff, and a good spray inside and out did it.


    this tiny pin holds the entire tune. I like this carb business.


    shiny gold, new parts are in and adjusted to factory specs, 1 and 3/4 turns open.

    Popped the carbs back on, hooked up my dodge fuel system, and....



    Started pretty easily!
    Running fine. had a litlte bit of smoke, reved it out a touch, let it warm up, and she was cleeeean.


    Before the carbs went back on for good, I had to clean up the thermostat housing.
    When I first had it running badly a few weeks ago, water was pissing out of this, and looking at it, it's not difficult to see why.

    My favourite wire wheel, a new OE seal:

    and we are leak free.

    Playing around I also snapped the connector on the Thermo switch for the radiator fan, so popped the new one one

    and filled it up with fresh coolant.

    Popped the tank back on and gave it another test.
    Hmm, ran for a second, then died, hmm must be a fuel thing. Let me check the petcock tap. Nah all good. Try it on reserve, same same, half kicks, wont run. Hmm, could it be busted?
    Took a look around, saw the vacuum hose to the petcock popped off from the engine side. That'll do it.


    Success.

    More work tomorrow.
    www.markpakula.com
    2017 Subaru Impreza Hatch - for the grind
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  17. #137
    Jak Sie Masz! trent from punchy's Avatar
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  18. #138
    LS7 Prius = Proper HYBRID Walt Kowalski's Avatar
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    I love the way Hondas are sweet. Redline 19,000?
    Logical debate beats name calling any day. My Badges Of Honour so far in PF: Racist, Bigot, Islamaphobe, Numpty, Moron, Far Right Wing Nationalist, Far Fight Wing Fascist, "raving fucking lunatic", "dumb" & climate "denier". AND they are just SOME of the pathetic tags that I've been labelled by SOME here. HINT: Those labels are signs that the accusers have lost to logical debate.

    Watch this:

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  19. #139
    Jak Sie Masz! trent from punchy's Avatar
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    yup. Soft cut is like 18500 I think, really no point going past 16,000rpm though.
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  20. #140
    Jak Sie Masz! trent from punchy's Avatar
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    So close, well, she's running, and stopping


    Had to put the brake lines back on, which was a bit more of a drama than I thought, spent most of saturday on the brakes and still didn't get a result.

    I was going to rebuild the front master cylinder too, to first step was to take the lever off.


    and lucky I did, it was pretty filthy.


    Bit of a scrub, a bit of a soak in some cleaner and she'll be good as new.


    The rebuild kit is pretty simple, the screw type piston, a spring, 3 seals and circlip.


    Finally got the lines bolted up, and began filling the system.
    Strangely, fluid didn't really want to go through, no matter what I tried, it was barely going through my bleed hose, and all I got a was a few spurts and most of it was going back and forth, without making much progress, or even filling the pistons.
    Oh well, back to youtubes to see what the go is.

    Left it overnight, disconnected the top double banjo bolt, made sure I filled up the back side of the master, and pumped away, success!


    fluid flowing nicely.


    Filled up the cylinders, made sure I got some pressure, and bled them out again.
    Brakes feel fine.


    Popped the brand new top cap on, I basically had to hacksaw the old one off, and she's stopping fine.


    I swapped over the old bar grips too, the old ones were an aftermarket brand, probably still ok, but fresh grips make the whole bike look and feel newer.
    In my rush I managed to mix up which was meant for the throttle, and started putting the wrong one on. Once I realised it was impossible to take off, so I smashed the throttle tube. Oh well, probably a good idea to get a fresh one anyway.
    Only thing, it wasn't super easy to fit. Had to take the tank off, airbox off, and free the throttle cables from the mount, and only then was there enough slack to pop it in. Phew. I am an expert at tank removal now. I'm just thankful I didn't have to take the carbs off again.

    And so the brakes work, the throttle works, engine runs. Hmmm let's see how she rides.
    Took it around the block, and yes. Feels farken fantastic. So much smoother than the 125s I rode at the Ls course, everything felt rock solid, very easy to ride too. Happy days!

    I think another full day cleaning it up, putting the final few things on, and then reinstall all the fairings and time for a blue slip and rego.


    Thank you Honda!
    www.markpakula.com
    2017 Subaru Impreza Hatch - for the grind
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  21. #141
    whaddayatalkinabeet brasher's Avatar
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    well done mate!

  22. #142
    LS7 Prius = Proper HYBRID Walt Kowalski's Avatar
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    So good. Personally I wouldn't be showing the original owner.
    Logical debate beats name calling any day. My Badges Of Honour so far in PF: Racist, Bigot, Islamaphobe, Numpty, Moron, Far Right Wing Nationalist, Far Fight Wing Fascist, "raving fucking lunatic", "dumb" & climate "denier". AND they are just SOME of the pathetic tags that I've been labelled by SOME here. HINT: Those labels are signs that the accusers have lost to logical debate.

    Watch this:

    https://www.youtube.com/watch?v=QRmqRZpCqzg

  23. #143
    Temporary Australian Rorz de Puniet's Avatar
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    Nice, you'll have a blast on it. Has it got a pipe on it or had the baffles removed from the muffler?

    What did the sprockets look like when you changed the chain? Also, you've come this far... braided lines for the front brakes?
    Randy De Puniet has had more crashes than any other rider in the history of Grand Prix motorcycle racing.

  24. #144
    Jak Sie Masz! trent from punchy's Avatar
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    Stock pipe. Let me get it Rego'd first.
    Rear sprocket looked fine, front maybe a little worse but not too bad.
    Yeah maybe braided lines after rego. That is if I don't sell it first.
    www.markpakula.com
    2017 Subaru Impreza Hatch - for the grind
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  25. #145
    Jak Sie Masz! trent from punchy's Avatar
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    Looking at the pics in this thread, I noticed that the instrument lights are pretty dull.



    The speed is pretty much invisible above about 40km/h at night, which maybe isn't such a bad idea.
    Anyway, I thought, let's see if there are some nice cheap ebay LEDs that may work here. In my travels around the interwebs, I found Ecliptech, which you may know as the guys who make the pretty awesome LED shift lights for cars and bikes. They have been around for a while, and their latest shift light is pretty solid.



    It just so happens, that they had the same thought, and found/made some red LEDs specifically for the MC22 CBR250RR.


    They tried various colours (no idea why, RED always wins at night) and came up with this little plug and play solution.



    2 bolts hold the cluster in, and out come the 4 old bulbs, pop in the new LEDs, make sure they work,



    and viola, perfect nice and bright red instruments.


    I'll take a few better pics in the dark soon.

    Thank you Ecliptech!
    Last edited by trent from punchy; 14-04-17 at 01:35 PM.
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  26. #146
    Jak Sie Masz! trent from punchy's Avatar
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    and I've been thinking about this little engine, mine is a 1991 model, which is known at the CBR250RR - L.
    Later models were a little restricted, but they all had essentially the same 249cc engine.

    It runs 4 inline cylinders, of 62.25cc each.

    48.5mm bore x 33.8mm stroke. A biiig shot glass is bigger.

    Double overhead cams, and 11.0:1 compression.
    4x 29mm carbs, on 1990 91ron fuel.

    It made 45PS at 14,500rpm, and 23.5Nm at 11,500rpm.

    That's 33kw. From a 1/4 litre.

    Let's imagine if that was a car engine.
    Say an NA 2.0 i4 like the famous B18C or a K20A from Honda.
    The same state of tune for that capacity would mean that engine would make 264kw.
    A serious race engine. Now I realise it doesn't exactly work like that, but it just gives you an idea of the technology in these simple little engines.
    Impressive.
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  27. #147
    Registered User Gats's Avatar
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    It's pretty damn impressive when you consider the F20 in the S2000 that everyone swoons over doesn't even come close. And it's 10 years newer with injection and all sorts of updates.

  28. #148
    whaddayatalkinabeet brasher's Avatar
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    Yeah not unusual. Competition motocross 250 Single cylinders are making 55hp.

    The development has come from moto3 road racing.

  29. #149
    Jak Sie Masz! trent from punchy's Avatar
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    The more I think the more I'm impressed.
    This was a factory standard bike. $8000rrp in 1991.

    Today's most popular motorbike the R3 still hasn't matched the power, (42ps) and it has a larger engine 321cc.
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  30. #150
    Jak Sie Masz! trent from punchy's Avatar
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    Mostly ready.
    I still have a few cosmetic things left, but I may try to get a Blue slip tomorrow.
    www.markpakula.com
    2017 Subaru Impreza Hatch - for the grind
    2015 Cervelo S2 - for the fitness
    2005 Honda Accord Euro - for the wife
    2010 BMW S1000RR - for the sanity

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