The XR400 Thread

Discussion in 'Thumpers' started by Hayduke, Jan 16, 2008.

  1. cirell

    cirell Been here awhile

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    May 28, 2010
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    Sunshine Coast
    Hello
    Was wondering how long you guys stretch an oil change out to, my manual says 600 miles ( 1000 km) but its a bit restrictive on a long unsupported ride - does anyone increase oil change intervals by using synthetic oils for example.
    Any feedback appreciated.
  2. AltRoute

    AltRoute AltRoute

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    west side PA
  3. spawn_x

    spawn_x Been here awhile

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    Los Angeles - 818
    I go by color, smell, and how it feels between fingers. All depends on temps, type of oil, how hard you've ridden it, condition of engine, and other variables. I run mostly Honda synthetic, and will vouch for better oil quality vs regular oils and different brands. 8.95 a quart at the dealer, reasonable enough
  4. DrLewall

    DrLewall The Human GPS

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    The manual suspect that you will be riding or racing your XR hard in the dirt thus the recommendation of 600 miles between oil changes. My XR is tagged and rides 80-90% dirt so I give it 1500 miles.
  5. IronSpadeCycles

    IronSpadeCycles Button Pusher

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    When I rode my XR4 the 5200 mile round trip to Portland OR from Houston TX, half the route was offroad and the other half back country 2-lane and blacktop. I changed both the oil and filter every 2000 miles, and each time the Lucas full synthetic oil came out of the motor looking like I had just put it in. I might have been safe to run it another couple thousand between changes, but I know in the past, a few hard dirty days in the forest with water and muddy ruts and my oil always comes out a little milky, I don't know how but moisture seams to get into the engine no matter how hard I try to keep it out.

    If you ride strictly offroad and in mud or really dusty areas, then change it after every ride. Its cheap insurance. 3 qts of oil is cheaper than a new rebuild.

    Goodluck, Travis
  6. birds

    birds Been here awhile

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    I am do 1-2000 too with amsoil. I ride easy. 600 is the company safe estimate for hard riding with lots of sand mud water dust
  7. birds

    birds Been here awhile

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    North NJ
    Does anyone use the BD 90/100watt light? Are you happy with it?

    I'm looking to replace my trail tech dual sport DOT light. It doesn't fit well with my tank (Acerbis 5.8). The high beam is fine, but the low beam is just insufficient. In the winter I find myself riding in the dark way more often, and I live in a very populated area where I can't just use the high beam all the way home.

    Any other light suggestions would be appreciated, too. I'm looking for something DOT approved, and I have roughly 125 watts to work with (1/2 of BD rewound stator).
  8. Tachedoutoffroad

    Tachedoutoffroad Mr. Parrish

    Joined:
    Jul 2, 2011
    Oddometer:
    648
    Location:
    Alabama
    loved the xr !!!! wooohooo!!! The 310 will be for sale shortly :deal :evil

    The suspension is deffintly "less refined" but the bike did great. Rode 40 miles with no tag there and then back on the slab and 50 miles of 2 track, single track, a little no track :huh, and dirt rds. Only had one bad fall-over-kicking-fit but I was more tired form the stupid hill that had 8'-10" logs EVERYWHERE than the kicking fit.

    I rode 4 miles down the interstate just to see and a state trooper eased passed me and never slacked up :D Its like at work when you look like youre busy, everybody assumes whatever youre doing is ok. Serioulsy, wat kind of dummy rids a drt bike with no tag downe the intrstae with no tag :1drink :D

    It was just me and a buddy and he had the gropro, so I got a great video of just me riding :D It sure felt like I was going faster and jumper higher than it looks, but i still had a fukin blast!

    http://youtu.be/7g90wP7FfG8

    <IFRAME height=315 src="<a href=" width=560 target="_blank" embed www.youtube.com http: 7g90wP7FfG8?>http://www.youtube.com/embed/7g90wP7FfG8" frameborder="0" allowfullscreen></IFRAME>
  9. G600

    G600 Been here awhile

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    Nice video Tachedoutoffroad. :clap
  10. Czechsix

    Czechsix Slower than you....

    Joined:
    Sep 7, 2008
    Oddometer:
    316
    Location:
    SoCal San Diego Suckage
    Ok, top end time. And other things.

    I'm thinking the Wiseco 416 10:1 kit for the jug, CRF450 cam chain, new cam chain guides, new tensioner, Hotcams stage 1, new rocker arms, possibly new valves/springs, definitely new guides, 3 angle grind, mild port job, new clutch plates and springs (who's got decent ones? OEM?), and then ride the snot out of it again.

    This is a '98 bike, I'm pretty sure it hasn't been touched as far as the engine guts go since....oh, 1998 or so. It's time.

    I'd like to keep it low comp, but a bit more power doesn't hurt. I plan on going places that might only have regular pump gas, so I have no interest in high comp pistons.

    What am I missing?
  11. Rman237

    Rman237 Ride Rural Texas

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    Location:
    Fayette Co,Texas.
    East Tex 450 last weekend. Three day ride but 3 of us decided to ride the whole 455 miles in one day!:huh :rofl We made it, 13 hours!!:freakyHere's Nine Mile Road.

    <iframe width="560" height="315" src="http://www.youtube.com/embed/tQfshHVSo08" frameborder="0" allowfullscreen></iframe>
  12. DrLewall

    DrLewall The Human GPS

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    uh, nuttin..get after it there Hoss!

    I know that when I go to redo mine, I too will go 416..the 440 has served me well and will continue to do so until then, but from what I have read, the 416 seems to be a bit more ballanced out for the ole XR and I really don't need a 440..knowatimean?
  13. mark1150

    mark1150 Been here awhile

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    Wisbechistan UK
    Hi Guy's,
    I discovered a slight leak from the carb on my baby, so decided to buy the carburettor gasket set from my local Main Dealer, at the cost of £20 / $40?.
    As it turned out I only needed the float bowl drain plug ' O' ring, so I am left with the rest of the set for the next time.
    Anyhow I rang the dealer to see if I could buy just the 'O' ring, so as to have a complete set in stock, and they say that I can't just buy one seal...

    So here's a question, can I use any suitably sized 'O' ring to replace the one that I've used, or does it have to be a special petrol resistant material?, the alternative is a bloomin expensive replacement seal!

    Thanks
    Mark.
  14. Rman237

    Rman237 Ride Rural Texas

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    Apr 30, 2007
    Oddometer:
    802
    Location:
    Fayette Co,Texas.
    Any auto parts store will have the O ring you need, just take yours in and match it up.
  15. Tachedoutoffroad

    Tachedoutoffroad Mr. Parrish

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    Jul 2, 2011
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    648
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    Alabama

    455 in one day of that is pretty serious :deal what kind of milage did you get?
    looks fun :evil
  16. Roostboy101

    Roostboy101 Narry Uvencherer

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    Feb 15, 2009
    Oddometer:
    145
    Location:
    Amish Country
    I'm in the middle of mine right now. Keepin' it as close to stock as I can. I know next to nothing about working on this stuff. I sent my jug and head out and the guy ordered piston kit and gaskets for me. Said it's a 410? Anyway...

    What can you guys tell me about the kicker ratchet!? When I pulled the side case off (to replace cam chain) the kicker ratchet fell out. I know how it's supposed to go together but the manual is a little vague on how much tension to put on the return spring. Anybody have pics orrr.... :ear

    Thanks in advance!
  17. DrLewall

    DrLewall The Human GPS

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    :thumb what he said! :D
  18. Clem Kevin

    Clem Kevin Nude With Boots

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    Aug 17, 2007
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    992
    Location:
    San Clemente, CA
    Anybody know if a CRF450 seat cover will fit on an XR400 seat? My neighbor has a stack of SDG seats he's selling and he gave me one because my seat cover is nasty.
  19. mark1150

    mark1150 Been here awhile

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    Oct 10, 2010
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    Wisbechistan UK
    Thanks for the replies guys, the reason that I'd been so paranoid about getting the correct base material is because I'd read something about fuel 'O' rings having to be made from something called Buna N.
    A little look around Google, and it transpires that Buna-N is one of the trade names for a material called Nitrile , a type of synthetic rubber most commonly used in the manufacture of 'O' rings.

    It must be said that my main concerns were relating to reliability of the part were owing to 1) The bike is kept in a garage which is part of the house, and one of my sons sleeps above it,and we've already had the fuel leak which stunk out his room with fumes! and 2) I didn't want a failure while out in the boonies.

    Thanks again, and as usual you guys are awesome in the knowledge dept!
    Mark.
  20. Rman237

    Rman237 Ride Rural Texas

    Joined:
    Apr 30, 2007
    Oddometer:
    802
    Location:
    Fayette Co,Texas.
    It wasn't all like that but I'd say it was 85% dirt roads with some highway mileage connecting them. Imagine a big loop through East Texas.
    35-40ish MPG, the Mikuni pumper isn't known for great gas mileage but it truly shines in all other aspects. Actually my 650L gets better gas mileage than the 440, go figure.:eek1
    Of about 50 total riders for the 3 day event 6 of us attempted the whole thing in one day. Due to mechanical issues only 3 of us made it. 2 of the 3 were on Hondas. :D Just thought I throw that in. :rofl