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Thread: Aww, it's broken - Aprilia RS250

  1. #21
    Member Loud's Avatar
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    Quote Originally Posted by Mr DJ View Post
    Loud - you sir a mad, manik, mechanic (mekaniak??)

    Love your work, I'm looking forward to another of your build threads.
    Yeah, manic seems about right... Your old bike was a good catalyst

    The project is warming up. Today I received the replacement swingarm and barrels from Deet at RGV250 RG500 250cc two strokes parts RGVspares.com - Home. Superbly wrapped, very well priced and just as described, I couldn't have asked for better service.

    photo(11).jpg

    I'll be spending some quality polishing time with the swingarm shortly, it should come up pretty nicely as there's barely a mark on it. The barrels will be sent to EEKNOWS for some attention before being sent for re-plating to suit a trick piston setup. He knows his stuff.

    Also in the mail i received the first of the new bits for the bike. Just a small ebay purchase of a pair of Harris "RS Racing" grips. I've a set on my RS125, they're a great feeling grip and the larger diameter suits my big mitts nicely. That they have "RS" and "Racing" on them, just like the RS250, is purely...

    I've focused on the radiator for a few hours this week. When I pulled it out of the bike i thought "Gee, that's not bad for a 10 year old radiator" so I'm happy to recondition it instead of paying the 395 pounds for a new one. It's now had a 'Power Flush' through the fins and core, and since then I've spent a bit of time with a modified hack saw blade, straightening any bent fins and picking out the last of the sand/bugs. I like to live on the wild side. Next up is a bit of surface preparation and a paint, that way it won't look naff next to the new hoses. I'm not sure whether to go VHT Aluminium or Satin Black, I've bought both and it'll come down to how suitable the Aluminium looks.

    Beforephoto(12).jpg

    Wait and see.
    Click Link for My Bikes:

    Aprilia RS250
    1985 GSXR750 "Slabbie"

  2. #22
    Member fredie's Avatar
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  3. #23
    Member Loud's Avatar
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    Quote Originally Posted by fredie View Post
    Out of my league, both financially and required riding skill!
    Click Link for My Bikes:

    Aprilia RS250
    1985 GSXR750 "Slabbie"

  4. #24
    Member browncow's Avatar
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    Not to mention the fact that the guy is selling smoke, and not of the 2t kind.
    c o o l s t o r y b r o

  5. #25
    Member Gangus's Avatar
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    Is he going to put a couple of exhaust boost ports for you?

  6. #26
    Member Kodez's Avatar
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    Quote Originally Posted by Loud View Post
    I've focused on the radiator for a few hours this week. When I pulled it out of the bike i thought "Gee, that's not bad for a 10 year old radiator" so I'm happy to recondition it instead of paying the 395 pounds for a new one. It's now had a 'Power Flush' through the fins and core, and since then I've spent a bit of time with a modified hack saw blade, straightening any bent fins and picking out the last of the sand/bugs. I like to live on the wild side. Next up is a bit of surface preparation and a paint, that way it won't look naff next to the new hoses. I'm not sure whether to go VHT Aluminium or Satin Black, I've bought both and it'll come down to how suitable the Aluminium looks.
    I have this to look forward on the weekend from a '94 model bike that i don't think was ever cleaned before i bought it, damn. Nice project you've got going though, subcribed.
    "Take a step back and literally Fuck Your Face"

  7. #27
    Member Slipin's Avatar
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    Great thred .

    Looking to purchase my first rs250 soonish . 2000 + mdl. just soon as I sell my zx6rr .Kinda straght swap govin I have a sv1000 for my daily . The rs250 end goal will be bein sent to qld to get the TSS rs500 thing done to it . But that's a good 6 months away . And givin the fact they don't require almost all the running gear . I'm proberly goin to play with the engine and buy a blown up rs250 to fit all the bits that tss dosent need . Problem is I can't find bugger all rs250's fo sale in Wa . So mite look at goin interstate . Do u know what it's worth to ship a bike from east to west ?

    Good to know where all the two stroke specilists are in Wa 2 . Givin that the rs500 actualy happens . Playing and learning with the 250 is gana be a big help . What do u think of the tyga side by side gp pipes ? Thinkin goin the full gp cosmetic option from tyga . And find out what u guys do engine wise and see what worx best bfor I go their .

    Do u know what hp u will get from your rs250 once u put all ur trick bits on ? Or a round about figure ? But still be reliable for road riding . I see some sites say 72hp stock for rs250's but surley that can't be .

    Any ways look fwd to reading bout ur build ! Good luck and go the strokers!! Lol!!
    IF ITS TO LOUD ! YOUR TOO OLD

  8. #28
    Member Cbr Junkie's Avatar
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    Might want to have a read through some of the threads on PSB about the TSS RS500 build or you might end up in the same place you started!

  9. #29
    Member Loud's Avatar
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    Slipin, I don't think I'm the man to answer all of your questions, there are plenty more qualified on the forum. I do hear that around 70hp is achievable with work and parts.

    Not much to report, the RS125 has been receiving my attention lately. Hoping for close to 40hp so I'll be aiming for something substantially more for the 250.
    Click Link for My Bikes:

    Aprilia RS250
    1985 GSXR750 "Slabbie"

  10. #30
    Member Loud's Avatar
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    Righto, done almost nothing as of late. Was made redundant last week and that means I have some time to plan and make considered purchases.

    What I have done is to pick out a colour scheme and draw it on to a silhouette of the bike Aprilia Colour Scheme.jpg, it works out with some minor adjustments. So now I have a target to aim for.

    Bought myself a Kaneg Combo set last night so that I can get the bike off the ground. Sussed out having the gutter rash fixed on the front rim by Motorcycle Masters or Alliance Rim Repair, and ordered the Tyga Carbon huggers and chain guard. The thought is to have the rims painted in a shade of charcoal to closely match the huggers, then fit them up with new tyres, bearings, cush drive, 90 degree valve stems and rotors, then mount them to a freshly restored frame and swing arm as a point to start attaching other restored/modified parts to.

    Going to go on the search for new steering and swing arm bearings, but first a trip to AAEP to find out if they can annodise the swing arm and frame. Hopefully they can, otherwise I'll look to have those parts clear-coated, which would perhaps save me the effort of replacing the bearings... but I'd be less happy with the result I think.

    In the meantime I'm yet to pull the motor out, perhaps I can get that done later this week. Then it's time to start spending some hard earned on that!
    Click Link for My Bikes:

    Aprilia RS250
    1985 GSXR750 "Slabbie"

  11. #31
    Member browncow's Avatar
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    This ought to be good...
    What happened with your day in court?
    c o o l s t o r y b r o

  12. #32
    Member Gangus's Avatar
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    the frame and swingarm are clear annodised from the factory

  13. #33
    Member Loud's Avatar
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    Quote Originally Posted by Dr Browncow MD View Post
    This ought to be good...
    What happened with your day in court?
    I hope so. See here for the outcome: http://www.perthstreetbikes.com/foru...result-130105/

    Quote Originally Posted by Gangus View Post
    the frame and swingarm are clear annodised from the factory
    Mostly. Only parts of the swingarm are annodised, sadly when I was trying to polish out the minor blemishes from the replacement swingarm I noticed that there were 2 shades of silver - I'd worn through some of the annodising. So I took it to Anomed industries and they confirmed this, then stripped the rest off so that I could polish it fully. Pain in the rear, but something that I wanted to do to set the standard for the rest of the project. We'll see how it all turns out!
    Click Link for My Bikes:

    Aprilia RS250
    1985 GSXR750 "Slabbie"

  14. #34
    Member browncow's Avatar
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    Quote Originally Posted by Loud View Post
    I hope so. See here for the outcome: http://www.perthstreetbikes.com/foru...result-130105/



    Mostly. Only parts of the swingarm are annodised, sadly when I was trying to polish out the minor blemishes from the replacement swingarm I noticed that there were 2 shades of silver - I'd worn through some of the annodising. So I took it to Anomed industries and they confirmed this, then stripped the rest off so that I could polish it fully. Pain in the rear, but something that I wanted to do to set the standard for the rest of the project. We'll see how it all turns out!
    Well that's a shame mate.
    As you said in the closing post though, you're only down $1500 as a result and up a veritable tome of knowledge and experience, and will never have to take you bike to get it serviced at the "trader's" place of business.
    Too bad there was too much legal waffle to make a thread like this:

    Powerchip are a bunch of cunts - PerformanceForums
    c o o l s t o r y b r o

  15. #35
    Member Loud's Avatar
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    Got to spend a few hours on the bike whilst the weather was good and have ended up with this:

    2.JPG
    1.JPG

    The plan at this stage is to concentrate on getting the thing rolling again, in as perfect a condition as I can manage.

    I've ordered all new bearings and seals for steering, swing arm, suspension and wheels from The Two-Stroke Shop. Steve was good to deal with and very fast with his replies, plus it saved me the effort of driving far and wide to try and match the original samples.

    The rims are off to Alliance tomorrow. They'll both be blasted and the front needs minor gutter-rash repair. Then simply primed to allow me to decide whether to go black or charcoal, perhaps to match some of the engine cases.

    Ordered new Brembo disks (AF1) along with some Renthal clip-ons (The Tuning Works) and rear sets (Tyga), along with a few other shiny bits like a Renthal rear sprocket and some stuff from Pro Bolt. I'm working with Marty Moose and Russel from Dyno Time for the forks and shock respectively, I can't justify anything more expensive than Racetech internals and just want to make sure I get the right spring rates before I place an order. I do hear that stuff's pretty good though, and likely to be better than I know what to do with!

    I start my new job on Monday and am aiming on having the swing arm polished by then. I'm seriously considering polishing the rough cast sections so the whole thing is mirror, I just haven't worked out how best to do that (belt/orbital/sheet sander?). It seems that having it re-annodised is out (AAEP have stated the cast section will turn yellow and the welds black, which explains why only parts of the arm are annodised from factory) so it'll be clear coated in 2-pack, perhaps with some black for a shadow chrome effect - just to turn the brightness down a tad. Hopefully the triple trees can be annodised without the same drawbacks.

    That side-stand is stuck fast, and I'm yet to receive a copy of the manual (AF1's isn't available) to tell me how to safely disconnect the swing arm - it looks the same as the 125 but it's dead tight and I don't want to force anything just in case.

    So I plan to have it rolling again in, say, a month? Then on to the brakes and sub-frame. So really this is coming to the end of the dismantling (let's face it, the easy bit) and the beginning of the challenging part - although also the most rewarding part. Here we go!
    Last edited by Loud; 16-09-2011 at 01:56 AM.
    Click Link for My Bikes:

    Aprilia RS250
    1985 GSXR750 "Slabbie"

  16. #36
    Member ninjaa's Avatar
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    Sounds good mate, lemme know when you're planning on ripping into something big & i'll swing by

    Chucking in some 1kg spring i'm guessing? And a valving kit or just heavier oil?
    Can't be stuffed reading back, is it going on the road with maybe a few trackdays?

    How'd ya go with the radiator?

  17. #37
    Member Gangus's Avatar
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    Congrats on getting into it!!!!
    Im a good 90 kgs, and have 40mm sag with 35mm preload on the standard rear spring.
    I now have 30mm sag with a 1kg heavier spring, but sourced it second hand from a uk "cup" racer.
    The front is completely standard with 2 rings of preload left unwound.
    If you could remove some rebound dampening out of the rear it would work better, as ive got mine completely wound to minimal settting.
    Mine is far from ideal but it sort of works.
    Hope that info can help your direction with your suspension.

  18. #38
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    You will be forever polishing that frame. Suspension is easy just have the check valves set on the front (post 98 forks) and for the rear bite the bullet and get one of these $900 for hi/low speed comp 22 clicks on everything shock weighs about 2kgs

  19. #39
    Member Loud's Avatar
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    *sigh*

    From the info Gangus provided, the costings for rebuilding and modifying the original shock, and the poor exterior condition of the current unit, The $788 for the Nitron unit actually seems like fair value. Sold! Happy Birthday to me? You weren't lying about TTW Gangus, you really can spend some cash there... EEKNOWS you're lucky I'm no longer married, she would have come looking for you.

    And so I also bought some EBC pads to go with the reconditioning kit for the Brembo M/C and calipers I bought from the TSS earlier today. Guess I should locate some SS braided lines and decent levers now too, just to round out the complete rolling chassis.

    It's been an expensive couple of days!

    ninjaa it'll be Gold Valves and a full rebuild. Actually Gangus am I right in thinking I should opt for the heavier rate springs? I'm a pretty steady 92kg, at 6'3" I'd like to allow a little for 'growth'.

    And you just watch what I do with that frame, the 125 has given me the detailing bug!
    Click Link for My Bikes:

    Aprilia RS250
    1985 GSXR750 "Slabbie"

  20. #40
    Member Gangus's Avatar
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    The racetech site spring calculator says go for a 0.77 instead of a 0.72 std on the front from memory, but all in all the front feels good std.
    I had my oem rear shock rebuilt for a couple of hundred clams at ktec, when delivered out of the bike and paid in cash. very happy with his work, as he specialises in dirt bike suspension/ racing, knows what he is doing and doesnt have the usual month waiting period of dynotime.
    There is a ohlins for sale on the apriliaforum in a thread. 600 euros....... ohlins.........

    Some Racing Stuff For Sale - ApriliaForum sponsored by AF1 Racing, inc.
    Last edited by Gangus; 17-09-2011 at 03:35 AM.

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