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Thread: New forks

  1. #1
    apriliaforum expert Arkansawyer's Avatar
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    New forks

    Well after much post reading and conferring with JBC I have finally struck a deal for a set of RSV forks.

    Here is what I am getting:


    "Yes, that would work. And the bonus is that the showas have the gold racetech valves installed and the racetech stack/diaphram is set for street application (e.g., you could replace the diaphram in the shim stack and drill a smaller hole for race application to get the fork oil moving slower for smoother surfaces - for the street, the oil needs to move to absorb the bumps of the average road).

    I'll send the stock valves along as well and the racetech spring and seals you see listed in my ad. The seals will come in handy if you want to keep everything fresh in a year or so. I also have the pre-load adjusters too that I will throw in (http://www.af1racing.com/store/Scrip...?idproduct=815)

    The fork oil was changed in winter 2005 by a reputable ohlins technician, but they went into storage after I stumbled upon the Ohlins forks in spring 2005 (same you see for sale in the ad). Those are now being replaced with the Ohlins gas forks (FG670).

    So everything is...

    showa forks, with the racetech valves installed and what you see in the ad (springs, seals)
    brembo calipers with new, stock brembo pads
    stock brake line
    rotors - no rotor bolts (these are the sunstar rotors - very common on the jap bikes and japanese made. Some 04s came with the cheap Brembos, but the sunstars are just as good and a good street application)

    The right fork has a small nick from a mate putting the bike up on the stand. Would you like a picture first? It is only noticeable if you bend down to look at it. There are no other scratches, dings on either fork."


    Any thoughts or suggestions are much appreciated concerning this setup.
    Last edited by Arkansawyer; 02-12-2007 at 09:00 PM.
    When in doubt.........power out!!!

    JapseyeOgri said:
    "The camaraderie that very often goes along with Aprilia ownership makes me glad I got one."

  2. #2
    apriliaforum Junkie Turbo Rob's Avatar
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    My 2 cents

    Hay Spencer are you back to your home yet, or are you still touring the southwest?
    #one. Racetech will not give you any customer support as you are not the primary purchaser.

    This is important in that I found, Racetech springs to be too heavy for any given weight they quote. This means you will end up with a stiffer suspension across the range of adjustment. Find out what JBC weighs, and how stiff the spring package he is selling you ,was rated by Racetech, then you can check Racetechs website and find out were you want to be for your weight. Take Racetech's rating, and go at least one range softer.

    You can can allways make things more stiff, but a rock will never feel like a egg...... wow that was almost profound??????

    PS I had to act as go between with Racetech and the guy I sold my SV650 to, that I had a full racetech front end on.......many many stories.....

    Rob H

  3. #3
    apriliaforum expert Arkansawyer's Avatar
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    Sorry that message came out wrong. I am actually buying them from Doc Thrillride so I will contact him and find out his particulars. Thanks for the info.

    JBC is sending his forks to Traxxion to have them sorted. We've just been comparing notes on what we are considering to improve the already good suspension of the Fut.

    Assuming your talking about my 3 weeks in Phoenix when you say "tour of the Southwest". That was a great time but only because of the best hosts in the world which is ChuckB and angrybob.
    When in doubt.........power out!!!

    JapseyeOgri said:
    "The camaraderie that very often goes along with Aprilia ownership makes me glad I got one."

  4. #4
    apriliaforum expert day004's Avatar
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    You will love them. I did this replacement a while back and it transformed the handling of the bike. My forks have stock internals ,so even better for you.
    Here is a link to my original thread.
    http://www.apriliaforum.com/forums/s...ad.php?t=61926
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  5. #5
    apriliaforum expert beansoup's Avatar
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    I'm sure you were gonna do this anyway but please let us know how it all comes together.

  6. #6
    apriliaforum expert Arkansawyer's Avatar
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    Quote Originally Posted by beansoup
    I'm sure you were gonna do this anyway but please let us know how it all comes together.
    LOL! I spoke to Woodman yesterday and mentioned to him how notorious I am about not following up on my own threads.

    I'll do better this time......promise.
    When in doubt.........power out!!!

    JapseyeOgri said:
    "The camaraderie that very often goes along with Aprilia ownership makes me glad I got one."

  7. #7
    apriliaforum expert The Fixer's Avatar
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    Thumbs up Been there, done that...

    Spence,
    Here a couple photos of mine also with Sunstar 320mm rotors and Brembo 4 pads. (Mine's in the foreground.) The forks are from a Tuono and were 13mm shorter. I don't remember if RSV forks are. Either way, it actually works out better 'cause most of us slide the forks up in the trees anyway. Now I don't have to. FWIW, the RST stock brake lines wont work because of the banjo angles but I think you're OK with the RSV ones if you've got the length. The only negative on this mod is it's a little harder to get air in the front tire especially at a gas station, but don't worry it's worth the trouble.
    PM me anytime if you have any questions or problems, but it's a pretty straight forward swap. I posted a lot on this so there's a bunch of stuff here too.
    You'll love it!
    Attached Images Attached Images   
    Last edited by The Fixer; 02-25-2007 at 01:30 PM.
    ďThe roadís what counts...donít worry about where itís goiní."
    - Sam Shepard
    "When I'm riding my motorcycle, I'm glad to be alive. When I stop riding my motorcycle, I'm glad to be alive."
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    __________________________________________

  8. #8
    apriliaforum expert Arkansawyer's Avatar
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    ...and then a package from Canada shows up.

    Name:  100_4409 (Small).jpg
Views: 504
Size:  61.4 KB

    And so it begins, thanks to Doc Thrillride!
    Last edited by Arkansawyer; 02-22-2007 at 08:34 PM.
    When in doubt.........power out!!!

    JapseyeOgri said:
    "The camaraderie that very often goes along with Aprilia ownership makes me glad I got one."

  9. #9
    apriliaforum Junkie
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    Here here

    Real Nice Spence! Don't get swarmed.
    JBC

  10. #10
    apriliaforum expert Arkansawyer's Avatar
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    Some things I've noticed while doing this install.

    While I didn't have any way or time to weigh the 298mm and 320mm rotors, in handling them the weight between the two seems negligible.

    The difference in length between the RSVR and Futura forks is 9.52mm, within a couple mm. This means that by switching the two forks out the steering has been quickened the same as if I had installed Helibars. As Helibars require the forks to be slid 10mm.

    Neither the stock Futura brake line nor the RSVR brake line will work if you switch to the 4 pad (RSVR) calipers. However the stock 2 pad Futura calipers will work with the new 320mm rotors. This may be a result of the mounting position of the new forks. I have rolled the bike back and forth while applying the front brake to note the "bite" area. It is no different than that shown in Fixer pictures earlier in this thread.

    The preload adjuster that mount on top of the forks will not work as there is interference with both the master cylinder (clutch and brake) and the banjoes.

    If anyone else has something they want me to look at give me a shout.
    When in doubt.........power out!!!

    JapseyeOgri said:
    "The camaraderie that very often goes along with Aprilia ownership makes me glad I got one."

  11. #11
    apriliaforum expert bikpaintr's Avatar
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    Actually you only move the fork tubes up 5-6mm when installing the Heli-Bars not 10mm.
    John B.
    02 Ash Black w/Staintunes, PC3 w/custom map, Evo Filter, Mille Air Boot, derestricted air box, Heli-Bars, Wilbers shock, new rectifier, Scottoiler, heated grips, T'meister, c/f frt. fender & hugger.

  12. #12
    apriliaforum expert teachers's Avatar
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    Quote Originally Posted by bikpaintr
    Actually you only move the fork tubes up 5-6mm when installing the Heli-Bars not 10mm.

    John:

    JBC and I discussed this at great length and came to this conclusion: Either our bikes were originally set up very differently or the instructions from Heli changed at some point.

    The instructions from http://www.helibars.com/install/aprilia/HB2302.html says:

    #5 "Carefully raise both fork tubes in the triple clamp so that exactly 1 ĹĒ height is achieved. Measure from the top of the triple clamp to the top of the fork tube cap (not the adjuster area). Retorque the triple clamp pinch bolts to factory specifications. "

    To get 1 1/2" to show that puts the top of the tube cap flush with the top of the Heli Bar. Mine were installed this way and the forks were raised 10mm (13/32") Jim's were only raised about 5mm and so there is a gap between the top of the tube and the top of the Heli.

    What do yours look like? Is there a cavity between the top of the tube and the top of the clamp?

    Maybe something gets lost in the metric to standard conversion?

    -Duane
    IBA #28362

    2004 Futura - Silver
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    Me and my RST:


  13. #13
    apriliaforum expert The Fixer's Avatar
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    I got 13mm (1/2") shorter, on my Tuono forks, not 10mm like I quoted earlier...sorry for the goof. I changed it.
    Last edited by The Fixer; 02-25-2007 at 01:32 PM.
    ďThe roadís what counts...donít worry about where itís goiní."
    - Sam Shepard
    "When I'm riding my motorcycle, I'm glad to be alive. When I stop riding my motorcycle, I'm glad to be alive."
    -Neil Peart
    __________________________________________

  14. #14
    apriliaforum expert Arkansawyer's Avatar
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    Quote Originally Posted by The Fixer
    I got 13mm (1/2") shorter, on my Tuono forks, not 10mm like I quoted earlier...sorry for the goof. I changed it.
    Are you referring to the difference between Tuono and Futura forks?

    The best measurement I could come up with was 3/8" give or take a 32nd (old tape w/a little wear). Converting that to mm I came up with 9.52mm and it is probably more like 10mm given the slack in my tape.
    When in doubt.........power out!!!

    JapseyeOgri said:
    "The camaraderie that very often goes along with Aprilia ownership makes me glad I got one."

  15. #15
    apriliaforum expert The Fixer's Avatar
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    Quote Originally Posted by Arkansawyer
    However the stock 2 pad Futura calipers will work with the new 320mm rotors. This may be a result of the mounting position of the new forks. I have rolled the bike back and forth while applying the front brake to note the "bite" area. It is no different than that shown in Fixer pictures earlier in this thread.

    The preload adjuster that mount on top of the forks will not work as there is interference with both the master cylinder (clutch and brake) and the banjoes.

    If anyone else has something they want me to look at give me a shout.

    Here's a shot of my bike with one of each type of fork installed, just for the hell of it. The axle is installed... they are both line up at the wheel. No problem getting to the preload on either side. Do you the have the masters tilted forwards or something? I rode with the old twin pin calipers for some time before I got the 4 pad set up. Stopping power was on par with the 4 pad. It's the bigger rotors that make the difference.
    Attached Images Attached Images  
    ďThe roadís what counts...donít worry about where itís goiní."
    - Sam Shepard
    "When I'm riding my motorcycle, I'm glad to be alive. When I stop riding my motorcycle, I'm glad to be alive."
    -Neil Peart
    __________________________________________

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