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Discussion in 'Thumpers' started by onaXR, Jan 18, 2006.

  1. Redclayrider

    Redclayrider Long time gone

    Joined:
    Oct 28, 2012
    Oddometer:
    2,292
    Location:
    Way down in the southern lands
    I,m wondering if someone here can give me some help in Identifying this set of forks. I know they came off a Honda, I'm thinking a CR. I do not know what year. They came with a single disk front wheel.Where the top triple sits it is 62 or 61 mm.
    They have what looks like a air valve on the top and what looks like 2 adjustment screws on the bottom of each fork leg. The top of the bottom triple stem (goes into the neck bearings) is 30 or 31 mm.
    Picture of the forks and triple trees.

    [​IMG]

    The top of the forks and triple tree

    [​IMG]

    Bottom of the fork and what looks like adjustment screws

    [​IMG]


    I am thinking of putting them on my 2003 Honda XR 650l. Anyone know if they will fit?

    Thanks in advance for the help and if I posted in the wrong spot just move it. Please tell me where it got moved too. :)
  2. LexLeroy

    LexLeroy Nerds Rule

    Joined:
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    8,354
    Location:
    Lexington, KY
    My brother-in-law, a drag race / car guy, says that the only thing better than cubic inches is cubic money. Yeah, Wattner & CW are an unholy pair. (Now if only I hadn't committed to getting that new water softener I could swing a pumper carb....) :D
  3. Schultz!

    Schultz! Recovering Lurker

    Joined:
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    Warren Michigan
    :y0!



    Ok I have a formula for this one,


    Yellow snow + 10 deg C = watered down piss, which also = crappy beer of Texas :deal













    :rofl
  4. techforlife

    techforlife CDI REPAIR

    Joined:
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    4,571
    Location:
    Moncton,New Brunswick


    :lol3 that`s funny shit right there......

    :freaky

    B
  5. Spud Rider

    Spud Rider Long timer

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    4,095
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    Idaho
    That is funny!

    :rofl

    Spud :lol3
  6. Spud Rider

    Spud Rider Long timer

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    I'm sorry, Rob. I didn't mean to be cryptic. :shog LiFePO4 is a short way of saying "lithium iron phosphate." All the "lithium" batteries I mentioned in my posts are LiFePO4 batteries; you can take your choice of those batteries.

    The two Shorai batteries I mentioned, and the Antigravity 8-Cell battery will fit on top of the XR650L air box, under the saddle . However, you can also choose a number of larger batteries from the same manufacturers if you wish to place the battery in the stock battery box. If you choose one of the smaller batteries, you will certainly need to add some foam (and weight) in order to get it to fit snugly in the battery box. :deal

    <iframe width="640" height="360" src="http://www.youtube.com/embed/69mWwmFkJRQ?feature=player_detailpage" frameborder="0" allowfullscreen></iframe>

    Therefore, you might just as well get a LiFePO4 battery with a larger form factor. The weight of the added foam will probably result in the same final weight as one of the physically larger, LiFePO4 batteries. Because you either need to purchase a physically larger battery, or add foam to a small battery, you won't lose as much weight from the stock battery if you install a LiFePO4 battery in the stock battery box. :deal

    Incidentally, my Shorai battery relocation is completely reversible; you can easily return to the stock configuration. Also, since I don't cut any wires, you won't compromise your electrical system in any way by performing my Shorai battery relocation.

    Spud :wave
  7. thebigman

    thebigman bout a dollar 3.98

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    Location:
    Texas Gulf Coast

    Looks like something from The Hurricane Hannah days .................:lol3
  8. RZRob

    RZRob Long timer

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    This is EXCELLENT Info! Totally reversible is important to me, however rarely have I ever looked back when modifying something. And my XR is too far gone to turn back anyway.

    Thanks for the help Spud.

    RZ Rob
  9. RZRob

    RZRob Long timer

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    Well, leaky fork seals...They must be a CRF450R. :D Seriously though they sure look like how I remember my '06 450R ones looking. My recollection is that you need to use the XR650L stem so the bearings will work and to do this requires either pressing or machining or both. Someone will chime-in with the facts.

    RZ Rob
  10. Redclayrider

    Redclayrider Long time gone

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    Oddometer:
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    Thanks! So it looks like a new XR stem, front caliper, master cylinder, axle,and bearings (wheel and steering head, might as well while I got it apart. :) ) and I am done! Sort of....:lol3
  11. Spud Rider

    Spud Rider Long timer

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    You're welcome, Rob. :D

    Incidentally, if one wishes to place a Shorai battery in the stock battery box, Shorai recommends the LFX14A4-BS12 battery. This physically larger battery will require less foam than a smaller battery in order to make it fit snugly in the battery box. This physically larger battery weighs 2 pounds, plus a little more weight for the added foam. Here are the specifications for the LFX14A4-BS12 battery.

    Shorai LFX14A4-BS12 Battery
    Cost: $148, delivered
    14 Amp Hours PbEq
    210 cca
    Weight: 1.99 pounds

    Spud :beer
  12. MentalGuru

    MentalGuru Crazy Diamond

    Joined:
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    Oddometer:
    729
    Location:
    Out and about.
    Those look like some vintage '89-'95? CR forks to me. The stem looks like it is the early style XR bearing. The direction the bolts go into the triples from different angles on newer models. The '99 CR500 forks I have are newer 46mm KYB's with compression and rebound adjustments. Your forks don't have the adjusters on the caps only the schrader valves.

    :beer
  13. Spud Rider

    Spud Rider Long timer

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    Location:
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    I did a little more research and discovered the Antigravity YTZ10S-8 is exactly the same size as the stock, YTX9-BS battery. :D Therefore, unlike the Shorai batteries, you don't need to add any foam to this Antigravity battery in order to make it fit snugly in the XR650L battery box. Here are the specifications for the Antigravity TYZ10S-8 battery.

    Antigravity YTZ10S-8 Battery
    Cost: $180, delivered
    9 Amp Hours PbEq
    240 cca
    Weight: 1.8 pounds

    This battery is a little more expensive than the LFX14A4-BS12 Shorai battery. However, this battery has superior cranking power and is a little lighter than the Shorai battery.

    http://antigravitybatteries.com/?page_id=2267

    Spud :beer
  14. mendoteach

    mendoteach Long timer

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    Those forms look like older male slider (inverted/upside down) unit. Measure the diameter of the tubes. That will be a big clue in determinig their vintige.
  15. beechum1

    beechum1 Dandole Gas al Burro

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    you need to make sure the stem is either at or above these specs to either use, or turn down the stem for use.

    https://docs.google.com/open?id=0BwZ-Ca0X5duLOVdmS1BsdDRoblk

    Linked document is PD.
  16. ThumpnRed

    ThumpnRed Pig Wrangler

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    Me thinks the screws on the bottom are mounting points for the fork guards.
  17. Mossy-Back

    Mossy-Back Nookie Monster

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    In the Valley, Oregon
    Aww man... now I have an itch to do the Shorai battery relocation on mine! Thanks a lot guys... I better be getting a winning lottery ticket for Christmas.
  18. Spud Rider

    Spud Rider Long timer

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    After scanning/reading the following threads, I have become convinced the Antigravity batteries are superior in quality to the Shorai batteries.

    http://www.advrider.com/forums/showthread.php?t=770364
    http://www.advrider.com/forums/showthread.php?t=757934

    In general, I believe the Antigravity batteries offer the same, or better power than the Shorai batteries at about the same price, but at 1/2 the size. The amp hour ratings of all LiFePO4 batteries are inflated, but it seems Shorai is particularly guilty in this regard. However, the most important rating for these LiFePO4 batteries is cranking power, and the Antigravity batteries easily surpass the Shorai batteries in cranking power for any given form factor (size).

    In addition, the Antigravity batteries are lighter, have stronger cases, and possess much stronger battery terminals than the Shorai batteries. Finally, the Antigravity batteries are waterproof, and the Shorai batteries are not. Antigravity batteries have a 3-year warranty, while Shorai batteries have a 2-year warranty.

    Here's a comparison of the Antigravity and Shorai batteries that are roughly equivalent in power to the stock, YTX9-BS battery. Both these batteries will fit on top of the XR650L air box under the bike&#8217;s saddle.

    Antigravity 4-Cell Battery
    Price: $110, delivered
    150 Pulse CA, 120 CCA
    4.25&#8243; Long x 1.25&#8243; Wide x 3.75&#8243; Tall
    Weight: 0.875 pounds (14 ounces)

    Shorai LFX09A2-BS12 Battery
    Price: $105, delivered
    135 CCA
    4.45" Long x 2.28" Wide x 3.50" Tall
    Weight: 1.23 pounds (19.7 ounces)

    Both these batteries have roughly equivalent power and price. However, the Antigravity battery is over 1-inch narrower, which will give it much more clearance with the saddle if located on top of the XR650L air box. I currently have a Shorai LFX09A2-BS12 battery installed, and it has ample cranking power for my unmodified engine. Therefore, I'm confident the Antigravity 4-Cell battery will also easily start a stock XR650L engine. Here are photographs of the two batteries.

    [​IMG]

    [​IMG]

    Here&#8217;s a comparison of the Antigravity battery and the Shorai battery which offer much more cranking power for higher compression engines, cold weather starts, and greater cranking endurance. Both these batteries will fit on top of the XR650L air box under the bike&#8217;s saddle.

    Antigravity 8-Cell Battery
    Price: $170, delivered
    300 Pulse CA, 240 CCA
    4.25&#8243; Long x 2.25&#8243; Wide x 3.75&#8243; Tall
    Weight: 1.7 pounds (27.2 ounces)

    Shorai LFX14A2-BS12 Battery
    Cost: $148, delivered
    4.45" Long x 2.28" Wide x 3.50" Tall
    210 CCA
    Weight: 1.61 pounds (25.8 ounces)

    The Antigravity battery costs a little more, but it cranks much harder, has a stronger case, has stronger battery terminals, and is waterproof. The Antigravity battery also has a better, longer warranty than the Shorai battery. Here are photographs of the two batteries.

    [​IMG]

    [​IMG]

    If you wish to install a LiFePO4 battery in the stock battery box, instead of relocating the battery to the top of the air box, here are the two batteries to consider. The Antigravity battery is exactly the same size as the stock, YTX9-BS battery. However, the Shorai battery will need to be shimmed a bit with the foam supplied with the battery.

    Antigravity YTZ10S-8 Battery
    Cost: $180, delivered
    240 CCA
    Weight: 1.8 pounds (28.8 ounces)

    Shorai LFX14A4-BS12 Battery
    Cost: $148, delivered
    210 CCA
    Weight: 1.99 pounds (31.84 ounces), plus some foam

    Once again, the Antigravity battery costs a little more, but it is lighter, cranks much harder, has a stronger case, has stronger battery terminals, and is waterproof. The Antigravity battery also has a better, longer warranty than the Shorai battery. Here are photographs of the two batteries.

    [​IMG]

    [​IMG]

    Spud :beer
  19. Sierra Thumper

    Sierra Thumper Been here awhile

    Joined:
    Oct 3, 2012
    Oddometer:
    641
    I thought about going lithium when my xrl needed a new battery, but I was able to pick up a quality agm battery and charger/maintainer both for a little over 80 bucks. The special chargers alone for a lithium battery cost more than that, then add in the 160 for the lithium battery itself, and the 4 lbs in weight I would have saved didn't seem so exciting :lol3
    Plus I keep my bikes plugged into tenders whever they're parked, and get 10 or so years out of a lead acid battery.....I highly doubt the lithiums would last much, if any longer.........so no advantage there either. And I also need good cold starting, something lithiums struggle with unless you turn the lights on for a few minutes to warm them up first.
    Honestly at this stage of the game, I think lithiums are just a "cool factor" mod more than anything else....at least they would be for me :wink:

    With some more developement, and much lower pricing and cheaper/easier charging requirements, I think they're going to be the batteries of the future...........but that future aint here for me yet :dunno
  20. Spud Rider

    Spud Rider Long timer

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    4,095
    Location:
    Idaho
    Indeed, if you aren't concerned about the weight, the lead-acid batteries last a very long time and cost significantly less. :nod However, since the self-discharge of the LiFePO4 batteries is only 1/6 of lead-acid batteries, you don't need to buy a special charger for them, unless the battery is going to sit idle for more than a year, or the bike has parasitic battery draining, which the XR650L doesn't. I have never needed to charge my Shorai LFX09A2-BS12 battery in almost two years. At its website, Antigravity advises you won't need to trickle charge their batteries, except under special circumstances.

    http://antigravitybatteries.com/?page_id=510

    "Does this battery require trickle charging?

    The battery is Maintenance Free and can hold a charge for up to a year PROVIDED the bike/vehicle does not have a PARASITIC DRAIN or accessory taking the energy&#8230;.IF your vehicles charging system is in good working order and you do not have any &#8220;parasitic drains&#8221; on the bike you should not have to charge this battery rarely if ever."


    Therefore, the price difference between my Shorai battery and an equivalent, Yuasu, lead-acid battery was $40. I was very happy to spend $40 in order to shed over 9 pounds of highly placed weight from the rear of my XR650L. :D

    If one does wish to purchase a special charger, the Antigravity chargers are sold at Rocky Mountain ATV/MC for $49.99.

    http://www.rockymountainatvmc.com/p...avity-Batteries-4-Amp-Lithium-Battery-Charger

    Also, my Shorai LFX09A2-BS12 battery easily cranks my bike's engine at 32 degrees Fahrenheit; I don't need to turn on the lights, or perform any other special procedure. I don't ride when the temperatures are below freezing. However, I'm sure the LiFePO4 batteries with 210 CCA will easily start the XR650L at subfreezing temperatures, since the stock, lead-acid battery only produces 135 CCA.

    Spud :beer