Call all XR600R!!!

Discussion in 'Thumpers' started by CSMonte, Dec 8, 2008.

  1. Alaskajeff

    Alaskajeff Long timer

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    Palmer, ALASKA
    If it aint broke...........:lol3 RIDE IT LIKE YA STOLE IT:D
  2. error cooled

    error cooled anything but asphalt

    Joined:
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    1,225
    Location:
    Virginia
    My muffler is on the way out on my 88. Any have a good stock muffler from a 88,89 or 90 they would part with? These are unique in that they take the stainless steel dual headers.

    Let me know! Thanks :freaky
  3. Alaskajeff

    Alaskajeff Long timer

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    Just get a new header and then you can have MANY different options......LIKE THIS nice unit by DG
    [​IMG]
    It just took a bit of cutting, welding and $20 at a local muffler shop I was on the road.
    [​IMG]
  4. Tachedoutoffroad

    Tachedoutoffroad Mr. Parrish

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    Could you tell seat-of-the-pants hp increase with header and pipe?

    ---well, an incres that was worth the cost?
  5. Alaskajeff

    Alaskajeff Long timer

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    No idea......It had the header and a Supertrapp on it when I got it. Don't know what stock felt like, sorry. But I know it pulls my 200lbs around just fine:D
  6. T4EaterJonny

    T4EaterJonny Not too hip...

    Joined:
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    I do love that rule... You don't know how many times i've caused a problem dealing with modifying my cars. However, i have to have the air screw about three turns out to run well which i read means its too lean. The pipe is pretty loud, but not obnoxious. You can poke the spark arrestor with a pencil but for the most part its straight through.
  7. WiredOne

    WiredOne n00b

    Joined:
    Oct 10, 2011
    Oddometer:
    5
    Location:
    Seattle, WA
    New to me XR600 -- much more pep than my XR250 but no plate :(
    Appears to be well-ridden but the price was right (free). Appears to run strong but need to get it out to really know. It could replace a rototiller for yard work, though, looking at the aftermath of warming it up on my lawn. :evil

    To-do list:
    1. Clean up frame. One of the supports under the seat (furthest to the rear) is broken at one end. Weld.
    2. Work on fork brace fitment. I added an RSW brace but forks appear to be binding. Will definitely visit this before riding; will remove brace if I don't have the time.
    3. Open up top end & see if anything was done. I don't have any history on the bike. I don't want to be adjusting things incorrectly if it isn't set up stock.
    4. RIDE!!!
    5. Check fitment of scotts stabilizer. There was one previously on the bike and the top clamp says scotts. I have a damper, just need to try throwing it on. Tower is welded to frame which may interfere with an aftermarket tank... may need to look at changing that eventually. Thoughts?
    6. Pumper carb -- when I've got the money & the price is right. It has pep but is a bit more hesitant than I'd like. What was the issue fitting the FCR41MX on these bikes -- gas tank? I want a choke on any replacement carb and the sudco 41 doesn't have one. Lots of threads to read through.
    7. Larger tank. I'd like ~4gal, I believe the big acerbis would be overkill... is there a consensus as to whether IMS or Clarke has a better fit? Would either one interfere less than stock than an FCR carb?
    8. RIDE!!!

    [​IMG]
    [​IMG]
    Sounds nice...
  8. 2manyrides

    2manyrides shifty charactor

    Joined:
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    Citrus Heights Ca.
    I have always forced the exhaust through the tiny outlets of the stock muffler throughout the 20 years of ownership.
    I see that there is differences in diameter of the hole out an oem muffler depending on the year of bike.

    Bought the 96 and it aleady had a white brothers pipe. A non fenderfouling one I might add...
    No baffle plates in the end cap...
    Seat-of-the-pants increase...yes.
    Bottom line I like it.

    [​IMG]
  9. kirbi69

    kirbi69 Been here awhile

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    ims tank for sure. i had to return a clarke because of bad fit
  10. T4EaterJonny

    T4EaterJonny Not too hip...

    Joined:
    Oct 11, 2012
    Oddometer:
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    Hey Wired One-
    How's she geared? Ride that thing down here! I'm in Corona, ca.
    I just threw in a 68 pilot and 158 main today. I also TRIED to throw on the xrsonly choke plate but its kicking my ass. Can someone post a picture of how the choke lever and the choke piece is together? From what I gather, the choke has an arrow that points vertical. You lift it up, as you do this, the choke plate inside goes from WOT and closes it off thus choking it, right? Also I can't seem to understand how the linkage works though.
    Also, the idiot I am removed the choke rod out of the carb. I know it only goes in one way, but I don't know which way to spin it for the spring to work properly. PIC would be appreciated!!
    Oh, and on the XRs Only plate, the Logo goes INSIDE, right? The directions said black dot facing out. I didn't see a black dot...????
  11. Royal Club

    Royal Club Been here awhile

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    What brand and viscosity Oil do you guys use in the 6?
  12. mcma111

    mcma111 Long timer

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    Shell Rotella 15/40. I used to use 20/50 but I found that it was to thick on cold start up. The oil pump by-pass valve would be going crazy until the oil warmed up a bit.
  13. kirbi69

    kirbi69 Been here awhile

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    i accidently removed my choke plate shaft once. had to stick a little pick in there to bend the spring over enough for it to catch the shafts half circle end. took a while of playing with it.
  14. T4EaterJonny

    T4EaterJonny Not too hip...

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    Oh my god you rock. I used a needle. +1 to your idea. I was getting so frustrated. Thanks buddy!
  15. Tachedoutoffroad

    Tachedoutoffroad Mr. Parrish

    Joined:
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    Rotella T 15/40. Says it's for diesels on the bottle.

    $12-$14 a gallon on sale. Safe insurance every few rides.

    My buddy had his xr250 apart for a gear replacement and the rest of the motor was super clean after 8 years of single track and Rotella.
  16. Royal Club

    Royal Club Been here awhile

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    Hmm. Maybe ill try that if I can find it over here. I've been using valvoline durablend and thinking of switching over to motul 5100 15w50

    ah, and a question.

    I've placed the camshaft and fiddling around with the camchain I got to the point where one must align the camtiming. (hotcam) the camchainsprocket has 2 cuts which need to be aligned to the cilinderhead surface, while the flywheel has been set to the 'T' mark.

    Am I correct if, with given above situation, the piston will be at TDC and the camlobes are pointed DOWN? The manual doesnt say anything about this and the pictures are a bit blurry..
  17. Homerb

    Homerb Been here awhile

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    Jun 24, 2011
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    581
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    Toukley NSW Australia
    Hi all, Im well into the rebuild of my 1987 XL600RMG, and have a question. Bear in mind that this bike has the engine out of an XR600, not the XL600, despite the model name. The camshaft center bearing journal is stuffed. Both bearing surfaces in the head and valve cover are chewed out as well as damage to the camshaft bearing surface.
    Now, I've found a used head and valve cover with undamaged bearing surfaces but am having less luck finding an undamaged camshaft from this bike, or a 1985-87 XR600 cam will fit.

    Now my question??? I've read and been told by a couple of people that the center bearing on the camshaft isn't really necessary, and the camshaft will run just fine supported by the ball bearings at each end only. I was also told to grind a couple of mm of the damaged bearing surface away so the camshaft makes no contact with the center bearing surface and all will be fine.

    So, has anybody done this?? Did it work?

    Very interested to hear other XL/XR600 owners experiences or fixes for this problem.

    Thanks

    Homer
  18. kirbi69

    kirbi69 Been here awhile

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    royal club. yeah as long as your t mark lines up on the flywheel with the hole. you putthe cam gear on with the two marks level with the head. you want the lobes facing down. so that you can put the rockers on. it would work with the lobes up. its just hard to get the rockers on. alls it does is change if you are on compression stroke or not.
  19. mcma111

    mcma111 Long timer

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    Homerb,

    Not sure about the milling clearance around the center cam journal bit but I do have two XL/XR cams on the shelf.
  20. Royal Club

    Royal Club Been here awhile

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    thanks!!