SV650 ADV info thread

Discussion in 'Land of the Rising Sun: ADV Bikes from Japan' started by psychsurf, Nov 11, 2007.

  1. psychsurf

    psychsurf Been here awhile

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    Ok, I know that there are quite a few threads with information and a couple examples of SV650s that have been built up for more off-road purposes. Every time something new, or even something old, pops up with a off-road SV on it, there are lots of SV lovers (myself included) who want more information. The information there is available currently is extremely scattered and fragmented, and I thought it would be a good idea to make a thread dedicated to what is known and what is possible. I've looked into this a LOT, and there definitely isn't an all-in-one thread on the subject anywhere.

    I'm hoping this will be a source of inspiration and go the direction of the "twin sport 500" thread, where people are experimenting and innovating and sharing new fixes. Of course, it would be nice if people would finish those projects they started, but anyway... :evil Ultimately, it would be great if a working parts list was created here for a more dirt-capable SV. I know I'd love to see that. If nothing else, however, I'd like to see people contribute what they already know so we can have it all in one easily referenced thread.


    So, what do I know?

    Forks: 41mm

    2008 klr has 41mm forks
    CRF 450 does too
    KX250
    XT600 forks are 41mm, but they taper down below upper triple
    Possibly use tripleclamps and forks from DL 650/1000?

    Rear shock:
    Here's a thread on svrider that gives myriad different options for shock swap on the SV650: http://forum.svrider.com/showthread.php?t=45179


    Rear wheel:
    Hub from a F650 axle spacing/sprocket almost perfect, need wheel offset adjusted.
    Almost every dirted sv photo I've seen has rear spokes, so there must be other easy solutions

    I re-hosted the photos I used at tinypic so they wouldn't be lost to the sands of time. If anyone took any of these photos and would rather I didn't use them this way, just let me know.

    First one, the infamous yellow SV650 Enduro, by Gaspare Momesso

    Contrary to myth, it was a one-off, and any allegations of him selling kits were due to his trying to sell, as a kit, the conversion parts to this one-off. God, I wonder where that stuff ended up?!

    I found a quoted email by him, giving the only clue to parts list...
    [​IMG]
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    Next, Aussie SV650 enduro. Not as polished as the yellow one, but it's being ridden!

    Info found here:
    [​IMG]
    [​IMG]


    The SV650 Supermoto by eyedragaknee

    It fits in because its really only a bigger front wheel and some dirt tires away from working... Well, maybe it needs to have some mud rubbed on it as well.

    I PMed to ask about it, and here's what I got.

    [​IMG]
    [​IMG]
    [​IMG]



    Finally, and most recently, Amazing Ricardo's frankenSV from the "burning liberal festival 2007" thread.

    All I know about this one is what can see in pictures. I PMed Amazing Ricardo, but no response yet. Looks like he's been away for a while. Hopefully he'll get back here with some solid parts info and riding impressions.

    I blew up and cropped the pics for bike detail.
    [​IMG]
    [​IMG]
    [​IMG]




    Ok, phew... That's the info I have on the subject, as complete as I can recal. As I said at the start, hopefully this will help and inspire others. I really hope it will inspire more folks to chime in with helpful information!

    For example, what are some more 41mm forks that might bolt right in, especially ones that have the axle at the centerline of the fork rather than in front, so trail doesn't get screwed up? What about options for raising the rear, moving the pegs forward, putting a spoked hub in the swingarm, etc...?
    #1
  2. freecat

    freecat Been here awhile

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    I've gotta bump this because I find it so interesting. I just sold my SV, and will probably replace it with a Wee Strom in the Spring, because I don't have what it takes to make those mods myself.
    #2
  3. BlueLghtning

    BlueLghtning Riding is my passion

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    I have a very big interest in this also. I love my '01 SV and a project like this would be sweet!

    BTW, I have better pictures of that last one

    [​IMG]

    [​IMG]
    #3
  4. NoahDL88

    NoahDL88 Vroom Vroom

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    I love the SV650K6 it was my first, now i'm putting miles on my DL650K7. I'd love to do a SV dirtbike setup when i get the time and the SV gets a bit older, its still just a little too pretty. :rofl

    My biggest fear would be breaking the radiator, my ideas for protecting it would be checking out the stunter sites and see what they do.
    #4
  5. psychsurf

    psychsurf Been here awhile

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    Killer pics, bluelightning! Do you have any more information about the setup? Or did you pull those from a thread that had more info?
    #5
  6. demuire

    demuire Been here awhile

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    Having taken my SV on a few minor dirt roads and intending to do more, this thread certainly sparked my interest :) I've got a 2004 SV, so I suppose slightly different to all the ones posted here (which are the earlier carb ones).

    Does frankenSV have a 17" front wheel? If so, what tyre is that?

    I've also noticed a distinct lack of fall-over protection (apart from the frame slider on frankenSV), how do people address the radiator-sticking-out-the-side issue? I've got frame sliders, but am not totally convinced they provide much protection off hard bitumen. The bike has gone over on bitumen and the slider seems to work... I've looked at the H&B engine guards but from the pictures in the installation instructions (I haven't been able to find proper pictures of them) they don't look like they would do much more than the frame sliders, and well, they're significantly more expensive than frame sliders so I haven't gone down that path.

    I've also looked into hand guards, the DL ones look the best IMHO but they're all-plastic and don't seem to hold up all that well to falling over. Or at least, my housemate managed to break his levers on his Wee even with the handguards... He also broke the handguard.

    Bashplate, does anyone have any closer pics of how it is mounted?
    #6
  7. BlueLghtning

    BlueLghtning Riding is my passion

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    I pulled them from a thread awhile back. I never kept any of the info, sorry.
    #7
  8. clapped_r6

    clapped_r6 The Spoad Warrior

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    I have a friend who used to roadrace a HawkGT, and he mounted his radiator 90 degrees off (so it was taller than wider) so it wouldn't get damaged when he crashed (often). Kind of like how the latest japanese cruisers do.

    I am also watching this thread, because I've always wanted to Adventurize a Hawk.:eek1
    #8
  9. demuire

    demuire Been here awhile

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    I would imagine that would make the radiator very vulnerable to stone damage... Nothing a good radiator guard wouldn't fix I suppose.

    The Wee radiator *looks* narrower, I wonder how well it would fit on an SV frame...

    Then again, unless you replace the front forks I don't think it would be possible, even with the stock radiator I've heard that the front wheel comes rather close to the radiator at full bump.
    #9
  10. nada

    nada Been here awhile

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    Great thread idea, psychsurf -- thanks for the resource!

    I just bought an SV650 yesterday; this one:
    http://www.advrider.com/forums/showthread.php?t=280092&highlight=sv650
    and am planning to outfit it as lightweight "adventure" tourer (in fact, I'm hoping to ride it on an extended Canada/Alaska tour starting next spring). :D

    I don't think I'd ever make it an enduro or a "dirt bike" (I already have a dirt bike!). But I WOULD like to outfit it so that when I'm touring and see a graded gravel road or a pot-holed backwoods Forest Service road, I don't have to pass it up wondering, "I wonder where THAT cool-looking road goes?"

    I remember passing up so many interesting looking roads on my VFR 'cause I was terrified I'd drop that big 'ol heavy bike and break all the plastic. I rode it on gravel ONCE 17 miles and swore I'd never do it again.

    I expect things'll be different with the SV...much lighter, no plastic. I guess the radiator's a concern, though. Hmm...

    BTW, psychsurf, I read your posts over on svrider before I bought the SV. The info over there helped me decide to give it a try. Thanks!
    #10
  11. psychsurf

    psychsurf Been here awhile

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    I'd say those look like 17" wheels to me, demuire. I don't know the tire though, anyone? Actually, for me one of the main things I'd like to accomplish would be to try to get at least a 19" front on there.

    I'm definitely not looking to make a dirt-bike out of mine, but I would like to make it more all-around bike. I figure if I could get a couple of inches of ground clearance, a 19" front, and a little more suspension travel, I'd be thrilled.

    I'm glad you found anything I said actually helpful, Nada De Lujo. Welcome to the cult of the SV. Careful with the customization, its addictive!


    On skid plates, I have seen that some people have easily modified the DL650 skid plate, but I'm not sure which one from which manufacturer. It's definitely something that would need to be addressed with that exposed oil filter and header pipe.


    On crash bars, there are some by sw-motech, they call them "engine guards". There's really not much to them. I think I saw a set for 40 english pounds though, so the price is decent. Ok, they have them at http://www.adventuremotogear.com/j.mgi?mgiToken=29hjxuuf&bike=Suzuki for $79

    [​IMG]

    Here is a more stunter-style set of crashbars that actually look more crash-worthy. I wonder if the stunters know about the SV's front cylinder oil starvation problem during wheelies? Guess they have to learn quickly!

    Price: $156 at http://www.revsperformance.com/renntec/engine_bars.htm
    [​IMG]

    I think something like what Weber is doing with his Rally Twin would be the way to go, with a closely-integrated fallover cage and oversize gas tank. A person could probably take a crashed gas tank and cut out the sides and add "wings" that wrap down around to the lower point of the frame truss. with a reinforced bar at the leading edge, that would add fuel capacity and crash protection. It would add weight too, and you'd have to leave channels for air to get back to the intake, but it might be a doable solution. Of course, I really don't have any idea what would be involved, so I might REALLY just be talking out my ass here on this particular subject! :evil
    #11
  12. demuire

    demuire Been here awhile

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    I don't have a dirt bike (sadly), but that's EXACTLY what I want to do with my SV too. No full on 4WD tracks or big trail rides, just to be able to go most places without missing out on where the dirt roads take you...

    psychsurf: I don't think SW-Motech make the bars for the later model SV, or at least I don't remember finding them. The second set of bars you posted look a little like the H&B ones. While they look like they cage the engine in quite nicely I'm not overly convinced that they would protect the bike as a whole much more than the frame sliders (aside from spreading the load a little better)... Of course, I could be completely wrong. I suppose after seeing the bars that are on my housemate's Wee, the SV ones just look like they don't stick out enough, and where they do stick out it is too low down and may actually make the bike more difficult to pick up when it falls over...
    #12
  13. cba191

    cba191 wanna buy a monkey?

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    i rode to burning liberal with ricardo a couple years ago. he said that the tire is a supermoto specific rain tire. cool bike though.
    #13
  14. Red_Chili

    Red_Chili Fresh Ground

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    LOVE the yellow one every time I see it. :lurk
    #14
  15. NoahDL88

    NoahDL88 Vroom Vroom

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    Where's the newer style modifides? If anyone has one of the newer ones i'd like to see it. :ear
    #15
  16. psychsurf

    psychsurf Been here awhile

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    Yeah they have, it's called a DL650. :evil


    Seriously though, I think the reason is that the second-generation SV frame is just not as easy on the eyes as the curvy first-gen. Can't make a silk purse out of a sow's ear, right?:rofl

    Probably just that they're more expensive. Personally, I'd rather have the carbed version for exploring, too.
    #16
  17. BlueLghtning

    BlueLghtning Riding is my passion

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    LOL, yep here you go! This is pretty much all a 2nd gen SV would look like. And it's already got the 19" front wheel :deal

    [​IMG]

    [​IMG]
    #17
  18. demuire

    demuire Been here awhile

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    Hahaha, wotda! That's like a ThinStrom, except... different! I like it :)
    #18
  19. lstzephyr

    lstzephyr Solo con rambo

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    I think it would be awesome to get my hands on a dirt tracker(supertracker) type frame for the sv650 motor. I've wanted one for awhile. Probably would work ok-ish offroad.

    I wonder if a v-strom front wheel would fit, it might be too close to the radiator though. I've heard of adjustable triple clamps on dirt trackers as well. Some people have mentioned to me that the frame geometry is just all wrong on the sv for anything offroad. I wonder if that could be changed without cutting up the frame. Maybe adjustable triples would help. I know they fit r6 forks, and r6 forks can be made to fit on an sv. But I may be talking out my ass as well. I think they changed the radiator in 06 to a narrower radiator. Also it seems like a narrower/taller radiator could be made up by a custom radiator maker(they exist...think hot rod stuff). Something with a curve, tall and skinny would seem ideal to me. Maybe take some tubing and bend up a cage/front lower frame to protect the weak underbelly. Something that wrapped under the engine front to back would make a sturdy attachment point for skidplates/protection. But at that point it might be simpler to grab a frame that looks good, copy the geometry and weld something up. Everytime I look at a terramostro or some other converted street bike(a recent 900 hornet was especially nice) I think "why not an sv".

    I get by ok on graded dirt roads and on fairly open two track. I don't go that fast but it will get through it. If its really rough I turn around anyway. Sand was a pita, but it is a street bike on street tires. Graded gravel is pretty fun, sliding sideways and throwing a cloud of dust in the air!:clap I just want more grip offroad really. I guess my hopes for an offroad-sv revolves more around a flat track style dirt/gravel road burner than rough singletrack. I've heard of some light sv track bikes though.

    I'd love to see this thread take off like the dual sport 500 thread but I think the frame and the engine setup is just too vulnerable the way they are stock. I always wonder about my oil filter. Maybe If I ever slam mine into a tree I'll build my own frame, if I have a welder, and a tubing bender, and some time, and some money, and.....

    Heres a pic of a 2nd gen offroad. Not modified adv style though. I guess technically it is a road. I got lost...apologies for my ass being in the way of you looking at my bike.

    [​IMG]
    #19
  20. Kawidad

    Kawidad Long timer

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    I used to own an SV and travelled a short way down this road too. :evil

    So, what do I know?

    Forks: 41mm

    2008 klr has 41mm forks
    CRF 450 does too
    KX250
    XT600 forks are 41mm, but they taper down below upper triple
    Possibly use tripleclamps and forks from DL 650/1000?



    Ah, the CRF and the KX do NOT use 41mm forks. Depending on the year (of KX) they vary from 41mm to 48mm upside down type forks. (I believe the CRFs started with a 43mm upside down fork.) What may be happening is there being some confusion about the size of the steering head bearings, so that the triple clamps may bolt right up. There is surprising commonality between steering head bearing sets from one manufacturer to another. Another thing to watch when shopping for a donor is the length of the steering head itself. If the length is correct or almost the same you can shim them or a bearing supplier can substitute the bearings by way of inside and outside diameter with equaling size and pitch.

    BTW. As to your list of possible donor forks, you might want to add the HD 1200R Sportster. It used a 41 mm right side up fork with a twin rotor braking system and spoke wheels. The forks were actually quite good, if limited in travel.

    But, for a "dirt" bike of this size and weight a 41mm fork is too small and will give you too much front end flex. I'd look more toward a heavier duty front end, like maybe from a DRZ400 or a XR650R donor, including triple clamps.

    I wonder if the stunters know about the SV's front cylinder oil starvation problem during wheelies? Guess they have to learn quickly!

    Actually that problem was solved on the newer model SV's by relocating the oil pick up tube. It only affected the earlier models. Which leads me to my other .02 point. I would suggest staying with the earlier models because of the carb vs FI. For this application I think having carbs gives you more flexibility and has less electronic junk that can get in the way of your goal. FI and all the computer stuff seems to me to limit your options. Plus, the tubular frame looks so much better than the cast one. :D The only other thing to watch out for with the earler SVs is the cam chain tensioner. Some of the early bikes had problems with them, so watch out for this if shopping for a donor bike. :deal

    Good luck. In the end I gave up due to limited funds and tools and just bought a strom. But, truthfully, I think the SV is a better bike.:eek1


    #20