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Chickens XR600 Rebuild

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This topic contains 29 replies, has 0 voices, and was last updated by  Mick D 13 years, 2 months ago.

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  • September 29, 2011 at 11:18 pm #100556

    Geoff Forshaw
    Member

    Oer the last couple of days i have just stripped Chickens spare engine ready for a complete overhaul. She is getting the full works. The spare engine has a 100mm Wiseco piston which increases the capacity to 628cc and a good ported large finned cylinder head which is being serviced. The cylinder is good and will receive a light hone then fitted with a new set of piston rings. Unfortunately the crankshaft has had a hit from a previous rebuild and may need replacing as it has 0.90mm of run out at the pimary gear end. :(
    Gear box is reasonable with the main replacement items being the counter shaft and one selector fork as well as seals

    Here are some initial pics.

    More as it progresses.

    Cheers,

    Lefty

    September 29, 2011 at 11:36 pm #209903

    Geoff Forshaw
    Member

    Pics are on their way. :whistle: Operator error :unsure:

    September 29, 2011 at 11:44 pm #209914

    Greg
    Member

    untitled1.jpg

    untitled3Copy.jpg

    untitled2Copy.jpg

    untitled5Copy.jpg

    untitled6Copy.jpg

    for the leftone

    TB

    December 6, 2011 at 10:03 pm #209915

    Geoff Forshaw
    Member

    I have finally got the parts for the XR630, so I have started on the rebuild today.

    [attachment=3037]2011-12-07_09-54-48_420.jpg[/attachment]
    Old superseeded Piston comparison to New Wiseco Piston note the shorter skirt (Lighter)

    [attachment=3038]2011-12-07_09-53-57_294.jpg[/attachment]
    New Piston 411gms

    [attachment=3039]2011-12-07_09-53-29_391.jpg[/attachment]
    Old Piston 448gms

    [attachment=3040]2011-12-07_15-56-59_185.jpg[/attachment]
    New Genuine Crank and Rod Assembly

    I have also installed a new countershaft and RHS shift fork. A new clutch basket is goin in as well as a Goodridge Clutch Kit

    It’s comming together nicely.

    More later

    Cheers,

    Lefty ;)

    December 6, 2011 at 10:50 pm #209904

    Dwayne O
    Member

    Nice work Left One ;)

    She looks pretty good internally for an old girl :whistle: :)

    Keep us updated as you progress mate

    December 8, 2011 at 10:37 pm #209905

    Brett
    Member

    Thanks Lefty. Your making me keen as to get back into riding love some more photos, looks great.

    December 8, 2011 at 10:54 pm #212928

    Geoff Forshaw
    Member

    The completed Engine, just need to sort some wiring issues on the stator and then she is ready for installation.

    [attachment=3043]2011-12-09_14-05-48_497.jpg[/attachment]
    New Wiseco forged 100mm piston

    [attachment=3044]2011-12-09_14-44-30_587.jpg[/attachment]
    Installed in cylinder

    [attachment=3045]2011-12-09_18-27-58_857.jpg[/attachment]
    Ready for installation

    December 8, 2011 at 11:34 pm #209906

    Dwayne O
    Member

    Getting close to launch now Lefty,,,

    Is that Rally style witness marking I see ??? :laugh: Cool green

    December 9, 2011 at 12:43 am #212935

    Nick Jackson
    Member

    Great job and top quality pics lefty ;)

    I know where I’m going if I ever need engine work ;)

    Lefty your the man !!!

    December 9, 2011 at 12:54 am #212936

    scott bocking
    Member
    Nickj wrote:
    Great job and top quality pics lefty ;)

    I know where I’m going if I ever need engine work ;)

    Lefty your the man !!!

    Not before me B)

    STM

    December 13, 2011 at 10:28 pm #212937

    Geoff Forshaw
    Member

    [attachment=3061]2011-12-14_18-04-25_231.jpg[/attachment]
    Engine in! A few things to tidy up and then ready for Launch. ;)
    630 Power Here we come! :whistle: :woohoo:

    December 13, 2011 at 10:36 pm #213148

    Greg
    Member

    Don’t forget that preload on the back spring Lefty you backed off for the Hillend ride :laugh: :laugh:
    Looking good, need be to come and kick start for you mate :huh: Can’t wait to have a ride on it eh having owned it before Chicken I am very interested to see the difference. I have the new oversize front disc here. I will do it when you have finished with it.

    TB

    December 15, 2011 at 11:36 am #213149

    Cole Campton
    Member

    keen to find an over sized disc for my xr600 can you help ?

    December 15, 2011 at 12:31 pm #213213

    Geoff Forshaw
    Member

    TB just got one for this bike, but i can’t remember where from. I am sure that he will let you know. ;)

    Cheers,
    Lefty

    December 15, 2011 at 9:04 pm #213214

    Brett
    Member

    Bought it from USA from Rockymountainatvmc.com about $200including caliper bracket plus freight.
    That looks the part Lefty keen as ;)

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