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Forum: XC Engine/Carb/Drivetrain

Intake, Exhaust, Carb, Pistons, Cams, Jetting, Porting, Clutch, Chain & Big Bore/Stroker Kits all discussed here.

Forum: XC Engine/Carb/Drivetrain

  1. Sticky Thread Sticky: you asked for it 78mm bllet stroker crank

    Started by ThumperRacing, 03-17-2012 07:05 AM
    4 Pages •
    1 2 3 ... 4
    stroker crank
    • Replies: 67
    • Views: 17,529
    rriveroll
    06-13-2019, 06:03 PM Go to last post

  2. Sticky Thread Sticky: XC light flywheel update

    Started by kiwi-craig, 05-18-2012 08:30 PM
    3 Pages •
    1 2 3
    9 Attachment(s)
    • Replies: 50
    • Views: 16,840
    rumlesj1
    12-09-2018, 10:38 PM Go to last post

  3. Sticky Thread Sticky: Intake Boot upgrades

    Started by kiwi-craig, 02-12-2012 01:58 AM
    1 Attachment(s)
    • Replies: 12
    • Views: 6,526
    YenkoS/C
    11-12-2018, 08:57 PM Go to last post

  4. Sticky Thread Sticky: ARP head stud kits for ktm rfs

    Started by 5.0fox, 06-28-2012 09:17 PM
    2 Pages •
    1 2
    • Replies: 29
    • Views: 7,321
    steveo525
    03-16-2018, 06:13 PM Go to last post

  5. Sticky Thread Sticky: $10 TORS bypass

    Started by mc_racer, 01-07-2011 03:05 AM
    3 Pages •
    1 2 3
    1 Attachment(s)
    • Replies: 54
    • Views: 26,646
    rc51ner
    04-27-2017, 10:35 PM Go to last post

  6. Lightbulb Sticky Thread Sticky: Kickstart installed, and some questions answered...

    Started by ScramblerXLE, 10-30-2013 06:32 PM
    3 Pages •
    1 2 3
    3 Attachment(s)
    • Replies: 40
    • Views: 15,428
    Foxracin
    10-17-2015, 02:15 PM Go to last post

  7. Sticky Thread Sticky: Gearing.....

    Started by ktm560smr, 09-14-2013 04:25 PM
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 31
    • Views: 6,776
    ktm560smr
    07-18-2015, 07:05 PM Go to last post

  8. Sticky Thread Sticky: Air intake mod

    Started by grizzydog, 04-28-2009 11:18 AM
    3 Pages •
    1 2 3
    5 Attachment(s)
    • Replies: 57
    • Views: 23,129
    JBeach
    06-25-2014, 04:32 AM Go to last post

  9. Sticky Thread Sticky: Cam chain tools

    Started by kiwi-craig, 02-23-2014 12:19 AM
    4 Attachment(s)
    • Replies: 4
    • Views: 4,770
    throttlejocky316
    02-28-2014, 05:42 AM Go to last post

  10. Sticky Thread Sticky: What part number is HRC Needle?

    Started by Deadman, 07-18-2010 01:59 PM
    • Replies: 9
    • Views: 3,381
    Kmack
    01-07-2014, 01:06 PM Go to last post

  11. Sticky Thread Sticky: 8/07 cam install - gotta grind the head for clearance

    Started by kiwi-craig, 12-09-2013 09:31 AM
    2 Pages •
    1 2
    5 Attachment(s)
    • Replies: 20
    • Views: 4,361
    GotRoost?
    12-19-2013, 06:20 PM Go to last post

  12. Sticky Thread Sticky: KTM XC kickstart parts list

    Started by patrickj75, 04-13-2011 12:08 PM
    1 Attachment(s)
    • Replies: 16
    • Views: 5,987
    joey525xc
    11-25-2013, 01:39 PM Go to last post

  13. Sticky Thread Sticky: Dual fan setup, need pics

    Started by Badcummins59, 07-24-2013 06:07 PM
    2 Pages •
    1 2
    12 Attachment(s)
    • Replies: 23
    • Views: 4,838
    owe
    09-12-2013, 02:50 PM Go to last post

  14. Angry Sticky Thread Sticky: HD clutch springs - maybe not ????

    Started by kiwi-craig, 05-26-2012 07:53 AM
    2 Pages •
    1 2
    • Replies: 29
    • Views: 4,320
    polarisrider150
    07-05-2013, 03:01 AM Go to last post

  15. Sticky Thread Sticky: Base gaskets - deck height adjustment

    Started by kiwi-craig, 12-22-2012 10:29 PM
    3 Attachment(s)
    • Replies: 5
    • Views: 3,564
    ThumperRacing
    02-17-2013, 06:28 AM Go to last post

  16. Sticky Thread Sticky: oil Cooler Mounting photo's

    Started by kiwi-craig, 07-08-2011 08:21 PM
    2 Pages •
    1 2
    41 Attachment(s)
    • Replies: 24
    • Views: 11,704
    tylerallout
    10-01-2012, 06:55 AM Go to last post

  17. Sticky Thread Sticky: Do you know if there are different camshafts ktm factory?

    Started by spain90, 05-05-2011 01:24 PM
    2 Pages •
    1 2
    • Replies: 26
    • Views: 13,270
    5.0fox
    04-24-2012, 06:43 PM Go to last post

  18. Sticky Thread Sticky: KTM 450XC/525XC Engine Parts Manual

    Started by Bronson90, 03-18-2008 07:26 PM
    2 Attachment(s)
    • Replies: 1
    • Views: 6,514
    kiwi-craig
    01-01-2012, 08:19 AM Go to last post

  1. Wont start when hot/bogging down and stalling when hot

    Started by PatrickHalstead, 08-01-2019 01:48 PM
    3 Pages •
    1 2 3
    450 xc, carburetor, idle, starting 4 Attachment(s)
    • Replies: 59
    • Views: 516
    PatrickHalstead
    08-12-2019, 10:46 PM Go to last post

  2. Cold starting problem

    Started by heminutt, 08-07-2019 10:31 PM
    18 Attachment(s)
    • Replies: 7
    • Views: 55
    heminutt
    08-10-2019, 12:07 AM Go to last post

  3. Going from 540cc to 600cc

    Started by KTMichigan, 02-21-2019 08:19 PM
    3 Attachment(s)
    • Replies: 5
    • Views: 469
    evman
    07-12-2019, 03:45 AM Go to last post

  4. 525 XC Knocking like hell.

    Started by bh84, 06-17-2019 01:32 PM
    • Replies: 5
    • Views: 226
    bh84
    06-21-2019, 01:10 PM Go to last post

  5. First gear act like reverse rear rev limiter

    Started by NeSta75, 06-16-2019 11:31 AM
    • Replies: 3
    • Views: 95
    NeSta75
    06-17-2019, 03:00 PM Go to last post

  6. Stalling out

    Started by 08525xc, 06-17-2019 01:13 AM
    • Replies: 1
    • Views: 75
    Youngwildandfree
    06-17-2019, 04:16 AM Go to last post

  7. 2009 250 xcf

    Started by cronanzone, 06-12-2019 02:52 AM
    • Replies: 0
    • Views: 53
    cronanzone
    06-12-2019, 02:52 AM Go to last post

  8. KTM 450XC - Carb Bog on Wide Open Throttle

    Started by mark0z, 05-13-2019 06:06 AM
    60 Attachment(s)
    • Replies: 7
    • Views: 268
    YenkoS/C
    06-07-2019, 03:43 PM Go to last post

  9. Coolant Choices

    Started by Miner, 06-06-2019 03:41 PM
    • Replies: 0
    • Views: 88
    Miner
    06-06-2019, 03:41 PM Go to last post

  10. Best piston/ring kit for my 525xc

    Started by Abouchard, 04-23-2019 08:07 PM
    • Replies: 9
    • Views: 299
    Abouchard
    05-20-2019, 02:21 PM Go to last post

  11. 2006 ktm 400 exc

    Started by pise0814, 04-13-2019 10:01 AM
    • Replies: 5
    • Views: 213
    Youngwildandfree
    05-11-2019, 03:30 AM Go to last post

  12. Engine Oil leak from top of the case under the electric starter.

    Started by cagliostro777, 03-30-2019 05:32 PM
    2 Attachment(s)
    • Replies: 5
    • Views: 239
    Squish
    04-17-2019, 03:22 PM Go to last post

  13. Just bought 450 xc limited exhaust choices.

    Started by Clubin, 01-28-2018 01:19 PM
    4 Attachment(s)
    • Replies: 19
    • Views: 1,070
    Ncrizzut
    03-28-2019, 05:53 PM Go to last post

  14. Hydraulic Clutch Issues!!

    Started by mark0z, 02-21-2019 03:14 AM
    2 Pages •
    1 2
    67 Attachment(s)
    • Replies: 27
    • Views: 850
    Youngwildandfree
    03-10-2019, 08:43 PM Go to last post

  15. Base gasket thickness

    Started by Youngwildandfree, 02-25-2019 09:15 PM
    13 Attachment(s)
    • Replies: 3
    • Views: 183
    Youngwildandfree
    02-28-2019, 11:28 AM Go to last post

  16. Shaft seal ring behind shift lever blow out

    Started by NeSta75, 02-11-2019 08:41 AM
    • Replies: 2
    • Views: 229
    NeSta75
    02-15-2019, 08:06 PM Go to last post

  17. 8/33 Cam vs Thumper Stage 4 & Stock Piston vs 12:5:1

    Started by evman, 12-13-2018 02:55 AM
    139 Attachment(s)
    • Replies: 15
    • Views: 763
    evman
    02-14-2019, 04:53 PM Go to last post

  18. CT racing head work set up

    Started by 1998ls1ss, 02-03-2015 05:07 AM
    • Replies: 17
    • Views: 1,521
    exit90a
    02-09-2019, 08:06 AM Go to last post

  19. Ktm 525 xc improvement an reliability

    Started by NeSta75, 07-25-2018 11:00 AM
    • Replies: 10
    • Views: 910
    NeSta75
    01-19-2019, 09:52 AM Go to last post

  20. Reverse HELP!!!!!!

    Started by Fredday4261, 01-09-2019 10:58 PM
    1 Attachment(s)
    • Replies: 4
    • Views: 257
    Fredday4261
    01-16-2019, 01:54 AM Go to last post
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