The KTM LC4 Reliability research thread

Discussion in 'Thumpers' started by demononthebrakes, May 25, 2006.

  1. Colemanfu

    Colemanfu King of all manfu

    Joined:
    Jan 27, 2006
    Oddometer:
    5,180
    Location:
    DAYTONA USA
    I ride better than I type - let's just say solid as a rock! 14K on the clock!
    #21
  2. creeper

    creeper Still alive...

    Joined:
    Dec 13, 2003
    Oddometer:
    10,718
    Location:
    Puget Sound
    Dude... that is sooooo harsh. :cry
    #22
  3. backdrifter

    backdrifter Wannabe rider

    Joined:
    Jan 6, 2005
    Oddometer:
    1,369
    Location:
    Belleville, IL
    Nice thread, I like seeing detailed info like this.

    1. Bike: 625smc supermoto
    2. Year: 2004
    3. Bought used or new: New, May 2004
    4. Current mileage: 13,000 miles, no problems yet
    5. Modifications done: Cut open airbox, removed loads of weight, Akra full titanium system, Blitz headlight, custom taillight, Avon tires, currently a stealth sprocket (3rd rear sprocket), new gearing (15:40, versus the stock 16:38), Z-ring chain, GPS on board, removed SAS system, cosmetic stuff.
    6. Mechanical work done: Just maintenance
    7. Upgrades done: See # 5
    8. Current tires on the bike: Avon Azaro SP49 sport front, Avon Azaro SP46 sport touring rear
    9. Percentage of road versus dirt use: 99% road, 1% dirt
    10. Would you buy another one?: Absolutely!
    11. Did you replace the main shaft bearing (if applicable): n/a
    12. Pic of the bike if available: below

    [​IMG]
    #23
  4. mdubya

    mdubya Right Brigade

    Joined:
    Oct 18, 2005
    Oddometer:
    7,219
    Location:
    western, MD
    I like your bike better everytime I see it, Backdrifter. :clap

    Here is mine:

    1. Bike: Duke II
    2. Year: 2001
    3. Bought used or new: used July '04, 1300 miles
    4. Current mileage: 18,000 miles
    5. Modifications done: Akrapovic Carbon cans, free jetting mods, removed air box lid, SBS HH pads (wish I had used EBC HH) License plate carrier broke off due to vibes, so I bolted the plate to the backside of the airbox (the 5-0 love that :1drink), SM fender, removed most unnecessary stuff (rear pegs, peg rubbers, kick start lever, etc.). 16T counter shaft sprocket.
    6. Mechanical work done: replaced damaged main shaft bearing and clutch basket when the bearing failed. Currently experiencing spring and spring retainer breakage where the header attaches to the exhaust port. Still working on a permenant cure for that one.
    7. Upgrades done: See # 5
    8. Current tires on the bike: Pirelli Dragon Super Corsa Pro
    9. Percentage of road versus dirt use: 95% road, 5% dirt, by hours, not miles. :deal
    10. Would you buy another one?: Absolutely!
    11. Did you replace the main shaft bearing (if applicable): Yup.
    12. Pic of the bike if available: below
    I will add a #13.

    The only thing I would change on the bike is for it to have a smoother motor. If it could loose 50#'s would be nice too, but I can live with the weight. Keeping the motor tuned and maintained so that it runs acceptably smooth is a full time job. Even then it is borderline at best. The fact that the motor is absolutely, stark-raving looney makes it a keeper regardless of its short comings.
    #24
  5. backdrifter

    backdrifter Wannabe rider

    Joined:
    Jan 6, 2005
    Oddometer:
    1,369
    Location:
    Belleville, IL
    Thanks mdubya! Hit me up if you're ever in the midwest, I would love to swap bikes for a ride, that's a beautiful Duke!

    Good call adding # 13: Wishlist!

    #13: All I would ask for is a 6th gear. I've come to terms with the vibration, and I don't even mind the concrete seat. Give me a 6th gear and I'll be as happy as can be! :D
    #25
  6. ChrisC

    ChrisC Amal sex?

    Joined:
    Feb 25, 2003
    Oddometer:
    6,325
    Location:
    Prescott, Arizona USA Earth
    It is my lot in life to harsh your mellow, ya ol' fucker! :freaky
    #26
  7. demononthebrakes

    demononthebrakes Long timer

    Joined:
    Feb 7, 2006
    Oddometer:
    1,189
    Location:
    WNC
    Nice bike backdrifter! Yeah I am glad the threads getting lots of responses so it will create a good solid database for potential LC4 owners.
    :type
    #27
  8. gozell

    gozell Adventurer

    Joined:
    Dec 14, 2003
    Oddometer:
    70
    1. Bike: 640 Adventure
    2. Year: 2003
    3. Bought used or new: new
    4. Current mileage: 32000km
    5. Modifications done: sxc exhaust, fcr 39, open airbox, suspension resprung
    6. Mechanical work done: broken piston rings (my fault, engine sucked sand), wheel bearings/seals - normal wear and tear
    etc... it does need looking after, especially if you drive it a lot offroad. the more you can do yourself the better.
    7. Upgrades done: sealsavers, steering damper, low front fender, black coated rims
    8. Current tires on the bike: Michelin Baja
    9. Percentage of road versus dirt use: 50/50
    10. Would you buy another one?: nope, im keeping this one
    11. Did you replace the main shaft bearing (if applicable): n/a
    12. Pic of the bike if available:

    [​IMG]
    #28
  9. Crow

    Crow Corvid

    Joined:
    Jun 10, 2003
    Oddometer:
    1,316
    Location:
    Scottsdale, Arizona
    1. Bike: Adrenaline Orange KTM Duke II
    2. Year: 2002
    3. Bought used or new: Bought new in 2003.
    4. Current mileage: 7,450
    5. Modifications done: None
    6. Mechanical work done: Routine maintenance, plus repaired the fan wire, an ignition switch wire, and the horn wire (numerous times), all broken from vibration.
    7. Upgrades done: Was running the 18L gas tank and the spoked wheels (from the 2001 Chili Red edition), but now back to the stock tank and wheels. However, I'm now running wave rotors front and rear, and will be running a Stealth rear sprocket.
    8. Current tires on the bike: Pirelli Diablo. Started with Dragons, ran MT60R on the spoked wheels.
    9. Percentage of road versus dirt use: 95% road, 5% dirt.
    10. Would you buy another one?: Absolutely.
    11. Did you replace the main shaft bearing (if applicable): No
    12. Pic of the bike if available:

    [​IMG]
    #29
  10. Darin

    Darin WYSIWYG (WIZ-zee-wig)

    Joined:
    Mar 1, 2004
    Oddometer:
    594
    Location:
    Retired military lounging in FresYES
    Ok I'll bite :1drink
    1. Bike: 6fordy Adventure
    2. Year: 200five
    3. Bought used or new: April, spank me new
    4. Current mileage: 9,400 miles (15,161 Kms)
    5. Modifications done: Charcoal canister removal.
    6. Mechanical work done: Stock for now, want to rejet (any takers want to help?)
    7. Upgrades done: Fork seals packed with waterproof grease, Fork savers, Gary Emig steering stablizer, Dual-Star grip heaters and 3M (28mm) head light protection film, Trailblazer rear tail bulb (microchip pulses light when activated), MSR wind deflectors, Remote switch for computer, fork bleeders (gold), Hepco & Becker crash bars, Hepco & Becker pontoons, Aluminum frame protectors, Led marker lights front and rear, SW-Motech kickstand. Tourtech rear aluminum rack, 8mm and 14mm 3M film protecting most of painted surfaces.
    8. Current tires on the bike: Stock
    9. Percentage of road versus dirt use: 45% road, 55% dirt
    10. Would you buy another one?: :clap
    11. Did you replace the main shaft bearing (if applicable)::lol3 no
    12. Pic of the bike if available:
    [​IMG]

    [​IMG]
    #30
  11. overlandr

    overlandr Dystopist

    Joined:
    Nov 30, 2003
    Oddometer:
    6,021
    Location:
    Sydney
    The title suggest research on LC4 reliability but the content reflects data more akin to an LC4 register. For reliability, I would suggest looking at this
    thread at horizons unlimited. Succinct data on LC4 faults for the reliability connoisseur!
    #31
  12. HiPlainsGrifter

    HiPlainsGrifter Adventurer

    Joined:
    May 18, 2006
    Oddometer:
    10
    Location:
    SF, CA
    1. Bike: LC4 Dualsport - converted to supermoto
    2. Year: 2000
    3. Bought used or new: used
    4. Current mileage: 10,600
    5. Modifications done: 17in KTM Supermoto Wheels. Supertrap full system, removed snorkel, revalved f/r suspension, lowering suspension linkage, black plastics, KTM comfort seat, Pro Taper bars, Moose Racing Handguards, .
    6. Mechanical work done: routine maintenance, replaced speedo cable at 7K miles. fork oil and seals at 8K.
    7. Upgrades done: 18L Tank. 145 main jet, Factory Pro jet kit going in on Friday [​IMG]
    8. Current tires on the bike: Avon Distanzia Supermoto
    9. Percentage of road versus dirt use: 99% road 1% dirt (although the streets of San Francisco practically qualify as an off road experience)
    10. Would you buy another one?: Sure!
    11. Did you replace the main shaft bearing (if applicable): Nope. I'm keeping my fingers crosse dI didn't get a bad one, but I have the bearing ready if it goes.
    12. Pic of the bike if available:
    #32
  13. Roarin

    Roarin Adventurer

    Joined:
    Mar 26, 2006
    Oddometer:
    86
    Location:
    Melbourne Australia
    1. KTM 625 SXC
    2. 2005
    3. Bought new Feb. '06
    4. 3800kms on speedo -63hours
    5. 18 litre tank (holds more like 20 litres) & comfort seat.
    6. Only normal servicing
    7. Upgrades? What needs upgrading? It is now perfect:evil
    8. Bridgestone Trailwing front (has to go) Michelin T63 rear
    9. Road/dirt in kms -probably 40/60 -in hours 10/90
    10. Not selling this one but if it got stolen etc -in a heartbeat
    11. NA
    12.[​IMG]
    #33
  14. getagripgreg

    getagripgreg Been here awhile

    Joined:
    Jun 1, 2006
    Oddometer:
    523
    Location:
    On the Road in the West
    1. Bike: Duke II (formerly Chili Red)
    2. Year: 2001
    3. Bought used or new: Used (crashed heavily)
    4. Current mileage: Approx 5000 M.
    5. Modifications done: 155 Main jet and snorkel removed
    6. Mechanical work done: Lots.
    7. Upgrades done: Um...
    8. Current tires on the bike: Metzler Roadtec Z6
    9. Percentage of road versus dirt use: 100% Road.
    10. Would you buy another one?: Yep
    11. Did you replace the main shaft bearing (if applicable): Not yet.
    12. Pic of the bike if available:

    Just joined the site. Love my KTM, though it has been difficult. Bought crashed with no front end and took forever to find forks. Eventually got a pair of 40mm Duke 1 legs from Britain on Ebay. Rode about 500 miles prior with a '78 Yamaha front end on the Frankenduke, stupidly but with big grins. :p Daily commuter, but looking to get some SM tires and seek out some dirt.

    Cheers,
    Greg

    Attached Files:

    #34
  15. Loadedagain

    Loadedagain making chips

    Joined:
    Jan 1, 2003
    Oddometer:
    26,763
    Location:
    West Vancouver, BC
    1. Bike: 640 Adventure
    2. Year: 2002
    3. Bought used or new: new
    4. Current mileage: 25,000 or so
    5. Modifications done: all
    6. Mechanical work done: fuck all
    7. Upgrades done: too many to list
    8. Current tires on the bike: dunlop d 606 on rigid dirt wheels, black. - pirelli mt 21's on rigid dirt wheels, silver - metzler sahara 3 on cush ktm wheels, silver
    9. Percentage of road versus dirt use: 80 road, 20 dirt ?????
    10. Would you buy another one?: sure
    11. Did you replace the main shaft bearing (if applicable): nope
    12. Pic of the bike if available:

    [​IMG]
    #35
  16. Loadedagain

    Loadedagain making chips

    Joined:
    Jan 1, 2003
    Oddometer:
    26,763
    Location:
    West Vancouver, BC
    ps - tons of mods, but nothing mechanical like... steering damper. renazco seat, bst crew. crazy suspension. ... and about a thousand other things.

    ps. heated grips... they are the best mod ever. $35 ... my fingies is warm now.
    #36
  17. Two Dot

    Two Dot Been here awhile

    Joined:
    Jul 3, 2005
    Oddometer:
    566
    Location:
    So Cal (winter) Montana (summer) NC (spring&fall)
    1. Bike: 640 ADV
    2. Year: 2003
    3. Bought used or new: Bought used with 800 miles on 12-23-05
    4. Current mileage: 8000 problem free...eats tires though...gas too...
    5. Modifications done: Full Precision Concepts workover, with heavier springs front and rear, seal savers, Rally pegs, Loaded bar risers, silicone in bars, Spyder gel grips, RAM mount for Garmin 60 csx(broken)
    6. Mechanical work done: Regular service, valves, oil, ect, replaced weak fork seals, once.
    7. Upgrades done: Renazco Racing Seat...Coming soon, I hope...
    8. Current tires on the bike: D606 front...M-21 Rear
    9. Percentage of road versus dirt use: 60/40
    10. Would you buy another one?: Today if the price were right
    11. Did you replace the main shaft bearing (if applicable): n/a
    12. Pic of the bike if available:

    [​IMG]
    #37
  18. creeper

    creeper Still alive...

    Joined:
    Dec 13, 2003
    Oddometer:
    10,718
    Location:
    Puget Sound
    Speaking of which... I haven't seen my brown shirted messenger with your seat yet. Which is not to say I haven't seen her ya' understand...

    [​IMG]
    #38
  19. Castleman

    Castleman Guest

    1. LC4e
    2. 1999
    3. New (1.3 miles)
    4. 32,125
    5. IDSII slip on, opened air box, jetted BST
    6. one clutch cable, one pulser coil, one water pump seal and bearings.
    7. added a KTM skid plate.
    8. Dunlop D606 front and Perelli MT21 rear.
    9. Approx 25,000 road and 7,000 dirt.
    10. Yes. I also own a 2004 SMC.
    11. Yes. The old bearing had 22,000 miles and was fine.
    12. Here ya go.
    [​IMG]
    [​IMG]
    #39
  20. overlandr

    overlandr Dystopist

    Joined:
    Nov 30, 2003
    Oddometer:
    6,021
    Location:
    Sydney
    Bumping this 'cos it needs to be turned over once i a while.:evil
    #40