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Custom/restoration FZR250R-R

Discussion in 'Yamaha 250cc In-Line 4's' started by FastFizza, Aug 4, 2010.

  1. FastFizza

    FastFizza New Member

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    Well guys, I've owned this FZR since 2003 but it's been off the road pretty much the whole time. I think it's been ridden a total of about a year max the whole time I've owned it. Last November a friend and I were having a beer in my garage and decided to pull it to pieces. That's when this final rebuild began and why I decided to do it properly.

    This is what it looked like when I first bought it. Such a nice looking bike huh? <!-- s:D --><img src="{SMILIES_PATH}/icon_biggrin.gif" alt=":D" title="Very Happy" /><!-- s:D -->
    [​IMG]

    So far the list of modifications is relatively short. The large majority of time has been spent cleaning, sanding, painting, polishing, etc, to get it looking like somebody had put a lot of effort into it <!-- s:cool: --><img src="{SMILIES_PATH}/icon_cool.gif" alt=":cool:" title="Cool" /><!-- s:cool: --> ...which they have of course haha.

    Modifications:
    - ZXR250A complete front end conversion
    - ZXR250C front guard
    - FZR400RR-SP CNC Billet SES Race-products rearsets
    - FZR400RR CNC Racing fuel cap
    - 2004 GSX-R600/750 front master-cylinder and clutch perch
    - Black CNC Billet racing adjustable brake and clutch levers
    - Buell XB12 switch gear and throttle/grips
    - FZR400RR Carbies
    - Heavy duty clutch kit + new fibres and steels
    - Complete gearbox and cylinder head overhaul
    - Barrels bored to fit new .5mm oversized pistons
    - All engine cover bolts replaced with stainless steel items

    Here's some pictures to show you guys my bike and where it's at right now...

    Frame and swingarm powder-coated in flat black. First test fit of the front end.
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    Engine out for a spruce up <!-- s:) --><img src="{SMILIES_PATH}/icon_smile.gif" alt=":)" title="Smile" /><!-- s:) -->
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    Back on two wheels again and outside for some sunshine haha
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    Wheels freshly powdercoated in red (they look orange in some shots coz of the flash <!-- s:( --><img src="{SMILIES_PATH}/icon_sad.gif" alt=":(" title="Sad" /><!-- s:( --> ) with sweet new wavy rotors fitted
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    New rearsets and fuel cap <!-- s:cool: --><img src="{SMILIES_PATH}/icon_cool.gif" alt=":cool:" title="Cool" /><!-- s:cool: -->
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    Engine all finished and back in the bike (yusssssssss!)
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    So thats my project so far. Thats as much as ive managed to do so far with my meagre budget (only the wife is working right now <!-- s:oops: --><img src="{SMILIES_PATH}/icon_redface.gif" alt=":oops:" title="Embarassed" /><!-- s:oops: --> ) but i hope to get the exhaust fab started over the next few weeks and hopefully in a presentable state by the end of September at the latest. When I first started to pull this thing apart it was going to have a turbo fitted and im still deciding whether i want to finish that (got as far as fitting the turbo and starting the plumbing/intake plenum) or whether i just want to get her back together and charging away as she was originally intended to. The subframe is only on there for me to fit the tank to and so ive got something to work with/measure/cut-up as i make a new subframe to fit a new tailpiece. I had a 2003 R1 tailpiece that i was going to fit but it turned up in the post and is as wide as the fricken planet so i think im going to end up fitting the Honda RS125 tailpiece I had originally intended to.

    Any feedback from you guys on what you think of the bike so far and what you think i could improve/add as i go along will be greatly appreciated. I love hearing what other riders think as we're all so different, but so similar at the same time. Here's a parting shot of me on my baby to leave you with <!-- s:cool: --><img src="{SMILIES_PATH}/icon_cool.gif" alt=":cool:" title="Cool" /><!-- s:cool: -->

    [​IMG]
     
  2. hawkeye

    hawkeye New Member

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    That is one awesome looking rocket i envy you the red and black look sweat.What $ have you spent on it so far? keep up the the great work mate.
     
  3. FastFizza

    FastFizza New Member

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    Thanks dude, im glad you like it. I love the red and black too, i think i got the contrast just right so far. Its quite hard to get the balance right i think between too much black and not enough colour. So far ive spent about $1500 on it including paint, gaskets, etc. I have a friend that does powder-coating so im fortunate that i get that done super cheap.
     
  4. FZRSHREDDER

    FZRSHREDDER New Member

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    Wow dude that looks awesome. how are the fairings going to be painted? Theyll need some red too I think.
    Turbo sounds like too much hassle and you wont get that money back when you sell it. I say clean up the engine (as youve done) with the bigger pistons and put that bad boy together so you can ride it! <!-- s:cool: --><img src="{SMILIES_PATH}/icon_cool.gif" alt=":cool:" title="Cool" /><!-- s:cool: -->
    Cool fzr.
     
  5. Trev084

    Trev084 Active Member

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    Nice, haven't seen you here for a few days, now I know why :p

    have you still got the original fairings?
     
  6. rodeobob

    rodeobob New Member

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    Thats awesome.


    Spewing you are over the ditch, id be hassling you over what your doing with the old front end if you were here in OZ.



    Cheers, Bob.
     
  7. FastFizza

    FastFizza New Member

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    Haha, yea the front end was fully restored before i had the idea to replace it. All new bushes, caliper seals, pistons, etc. Was immaculate. Sold it to a FZR rider in Auckland for $200 coz nobody wanted it. Well nobody here anyways. I wish id thought to join this forum and list em up back then. Woulda sold like hot cakes.

    Nah, about 6months into my ownership i was at a party and a drunk friend (i use the term loosely) stole my keys outta my lid and took it for a joy ride. Considering how drunk he was im surprised how lightly (again, i use the term loosely) he damaged it. The fairings were pretty much toast so i took em off to do a naked. Ive still got the complete triple tree with fat-bar mounts and fat bar if anyones interested? Ive always planned on a nicer tail unit but now im considering putting 3LN5 front fairings on. Theyre just so sexc <!-- s:D --><img src="{SMILIES_PATH}/icon_biggrin.gif" alt=":D" title="Very Happy" /><!-- s:D -->
     
  8. rodeobob

    rodeobob New Member

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    Fat bar mount as in for a set of dirt bike bars???

    Would it go on a set of 2KR forks???

    Got some pics??
    My 2KR front end is going to end up on an RD250LC (with RZ250 YPVS motor), so if i can then select a bend of bars that might make it more comfy.


    I asked about your front end as i have an RG250 here as well. Not sure what im doing with it but a front end with a 17" wheel is definately part of the eventual plan. Plenty of time to find something. Hoping that maybe a damaged DR650 wil turn up for the right price. Ive got a ZZR250 rear wheel that will probably go in it.



    Bob.
     
  9. FastFizza

    FastFizza New Member

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    [​IMG]

    These are standard size fat-bars for a motocross bike fitted to a standard 3LN triple-clamp. They've got a few scratches here and there but they're in generally good condition. I have no idea if they'll fit a 2KR but im sure you could find out on here.

    Does anybody know if 3LN triples fit 2KR models?
     
  10. rodeobob

    rodeobob New Member

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    Cheers, but its all good.

    We did the same thing to my mates YZF thundercat. Well we tried, couldnt get any bars to work.

    Wasnt that easy to do, well to my standard, to bolt the mounting block and get them into something solid, so if i was to do that id have to do it myself.


    Thanks for the pic.

    Done any more on getting your bike together??


    Cheers, Bob.
     
  11. FastFizza

    FastFizza New Member

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    I dont think i understand? These are bolted directly to the top triple clamp via 12mm bolts with lock-nuts and compression washers. The underside of the triple has been drilled at two structural cross-sections to increase torsional strength and reduce any possible flex the new holes might create. It doesnt get any stronger than this, but i understand if you arent comfortable with somebody else's custom work. I prefer to do my own custom work, probably for the same reasons. If i do it, i know it's strong enough <!-- s:D --><img src="{SMILIES_PATH}/icon_biggrin.gif" alt=":D" title="Very Happy" /><!-- s:D --> I only took them off because i wanted to go back to the tucked-in under fairings look <!-- s:cool: --><img src="{SMILIES_PATH}/icon_cool.gif" alt=":cool:" title="Cool" /><!-- s:cool: -->

    Havent really done anything new yet. Painted the rear master cylinder which i think looks wicked cool. What do you think? <!-- s:cool: --><img src="{SMILIES_PATH}/icon_cool.gif" alt=":cool:" title="Cool" /><!-- s:cool: -->

    [​IMG]
     
  12. rodeobob

    rodeobob New Member

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    Yeah that master cyl looks good.



    What i meant was that the top clamp is cast. The top is flat, the underside is not. It has reinforcing ribs cast into it, in between the ribs it is actually rather thin. So to just bolt through it where its say 3 or 4 mm thick is totally different to how posted bar mount top clamps are on dirt bikes with a big boss cast into the top clamp.
    We ended up using a pair of riser mounts, they were held on by two 8mm bolts each side. We made up some profiled sandwich washers for the underside. I wasnt that happy but it was the best we could do. He ended up not being able to get bars in a bend that would work. Not sure what hes been up to its been a bit too cold to ride lately.


    Cheers, Bob.
     
  13. Trev084

    Trev084 Active Member

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    Slave cylinder :p

    Doing the same to mine but in black, I normally paint them and rub the paint off with a scotchbrite bad on a die grinder, removes the paint and polishes it in one.
     
  14. FastFizza

    FastFizza New Member

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    Master cylinder is the correct terminology. A slave cylinder is used at the end of a hydraulic system to magnify the pressure change made by the master cylinder. Road bikes only have a master cylinder on each brake, front and rear. Some quads run slave cylinders on each wheel though.

    I like the scotchpad on the die grinder idea. Probly a lot less fiddly than pissing around with a blade <!-- s:???: --><img src="{SMILIES_PATH}/icon_confused.gif" alt=":???:" title="Confused" /><!-- s:???: -->
     
  15. rodeobob

    rodeobob New Member

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    Slave cyl is usually on the end of a clutch hydraulic circuit.
    Brakes have a master and caliper(s)


    The other thing you can do is put some thinners on a rag and wipe the paint off while it is still tacky. Need to be carefull of course. Then once the paint is propper dry, hand polish. That works better on say stainless hubcaps on old cars.


    Personaly i probably would have gone with white or black lettering. That way id never have to polish it to keep it shiny, i have enough trouble washing things let alone polishing.


    Bob.
     
  16. Trev084

    Trev084 Active Member

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    You guys crack me up.

    In braking a master cylinder converts a non-hydraulic pressure into hydraulic pressure which will supply pressure to the brake calipers or wheel cylinders which in this case is a slave cylinder, It does not matter what the hydraulic system is.
     
  17. rodeobob

    rodeobob New Member

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    I am glad you are amused.

    The item that was painted and had the polished Brembo on it is the rear master cylinder.
    It is not the slave of the rear braking circuit. Technically the caliper is a slave, but its not, it is a claiper because of its design. To call it a slave is to insult Mr Caliper or whatever his name is that thought it up. I mean if it wasnt for him everything would still have drum brakes. Im sure we could live with that and TLS brakes are great but the pissing about to get drums to work spot on, what a pain in the arse.


    The master cylinder converts nothing to nothing. It just displaces liquid. In this case brake fluid. The pressure comes from the other end of the circuit, pistons pushing on pads that are pushing on a bit of metal. If theres no caliper on the end of a brake circuit what do you get??? A mess.






    Cheers, Bob.
     
  18. dontz125

    dontz125 Active Member

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    A caliper is an arrangement of 1-6 (depending on the design) slave cylinders, clamping the brake pads between them.

    The master cylinder converts the pressure of your fingertips (or boot), amplified through the brake lever, into hydraulic pressure that bears upon the pistons of the slave cylinder(s) of the caliper(s). It cannot simply 'displace fluid' without exerting force on that fluid; this force divided by the area of the master cylinder piston becomes the fluid pressure generated. This pressure is what (as multiplied by the total slave piston area) applies force to the brake pads.

    I'm a licensed professional engineer with a mechanical background. Care to trade pedantries?
     
  19. FastFizza

    FastFizza New Member

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    Ive never actually thought of a caliper as being a slave-cylinder, but now that you point it out its blaringly obvious. My assumption has always been that there just simply isnt one and that the master-cylinder is all that was required. Makes more sense when you note that the slaves on quads are only there to operate the drums.

    <!-- s:D --><img src="{SMILIES_PATH}/icon_biggrin.gif" alt=":D" title="Very Happy" /><!-- s:D --> See, you do learn new stuff every day <!-- s:) --><img src="{SMILIES_PATH}/icon_smile.gif" alt=":)" title="Smile" /><!-- s:) -->
     
  20. rodeobob

    rodeobob New Member

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    Think what you like.

    Trev was not correct 8 posts back with the Slave cyl call.
    Thats sorta not right. Its the thing on the other end that lets the pressure be created. By itself the master cyl does nothing other than make a mess. You need a caliper or a slave to close the circuit. Its the trying to compress the liquid that makes the pressure.

    yeah i suppose i was being pissy.

    Dontz i think you missed the point.
    Did i explain it better now??
    By itself the mastercyl converts nothing to nothing. Meaning its useless.
    Well it will make a spurt, say a 12mm piston pushing fluid through a 10mm banjo bolt.


    If you guys want to call Calipers slave cyls go right ahead. I never said they werent because technically they are, up until this thread, ive never heard a caliper refered to as such.


    Bob.
     

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