SuperMoto Junkie banner


  1. KTM LC4 Akra Exhaust

    Hey guys, does anyone know if the Akra exhaust for the LC4 is same for all models? I've been searching endlessly for a full system for my 2006 625 smc but they are hard to come by. I'm wondering if any Akra exhaust built for LC4's is interchangeable and essentially the same part. For example...
  2. Boysen Accelerator Pump Identification

    Tech/Setups for Supermoto
    What's up guys, I just recently picked up a 06 625 SMC that's had a few previous owners. I took the carb off for cleaning and jetting and was pleasantly surprised to find a Boysen AC pump cover. From what I think I know :hammer: Boysen makes a few different pumps designed for different...
  3. New Member Intro

    New Supermoto Riders/Members
    Whats up guys, thought I'd do a quick intro before before I started blasting out questions and comments. My name's Dan, nice to meet ya. I've been in and out of this site for years but just recently became a member. I recently picked up a 2006 KTM 625 SMC and this seems to be the place for...
  4. Ktm duke II LC4 jetting help

    Tech/Setups for Supermoto
    My issue lies on the trial and error involved in jetting my Duke II to the typical mods Bike details: *2000 ktm duke II lc4 640 Pre-high flow head (the black motor) Mod details: * Stock exhaust can mod baffles removed * Air box lid removed * elevation is approx 800 ft. * Main jet 180 (removed...
  5. Leaking Gasoline Duke II 640

    I recently purchased a 2001 Duke II 640 and I immediately noticed a gas leak. Its hard to tell exactly where its coming from but it doesn't start drip dropping until the bike has been running for a couple minutes and components heat up. It looks like its emanating from a nub under the rear wheel...
  6. Ktm lc4 640 sm wheels

    Looking to buy a sm wheel set for my lc4640 or just the hubs in general.
  7. New duke 2. got fucked. now what?

    New Supermoto Riders/Members
    Hi everybody! I just bought my second ktm duke 2. I had 1 i traded in for a dorsoduro and then the aprilia got stolen. I got some insurance money back, and i bought another ktm duke 2. I took it to the shop yesterday and they told me it needs a new top end. approx 2000$. this is because it...
  8. SMC 690 life span?

    There is an 08 KTM SMC with a little over 10k miles on it for sale locally. The bike looks beautiful and no signs of abuse. I've never owned a sumo and I am planning on buying this as a daily commuter to and from work, 25miles, summer only. I am not worried about comfortability, I have been on...
  9. just got my first supermoto....will never go back.

    Tech/Setups for Supermoto
    hi all! i swapped my ninja for a KTM 640 lc4 2002, ive never had so much fun on a bike, i absolutely love it! i will never go back to a super sports again! atm i have pirelli diablos on, but i want to occasionally take it onto some mild dirt lanes, nothing major, but im having a hard time...
  10. Hi to all riders with the biggest smiles!

    New Supermoto Riders/Members
    Hi Guys/Gals, I just got my first Supermoto(02 Duke 2 640) and am soooooooooooo exited to join the other "junkies"! This little bike is soo much fun!!!! I started 3y ago with a Harley Sportster Custom 1200, with all the "bells and whistles"... Was a little scary(mostly for not damaging the...
  11. newbie lookin at 98 KTM 620rxc

    New Supermoto Riders/Members
    hey all, just joined a week ago and think that this stuff sparked a new taste for life in me! i have an r6 but would like to have as much fun without breaking triple digit speeds. i think i found my future project. im looking at a 98 ktm 620rxc lc4. its looks fun as all hell the way it is...
  12. From Husqvarna to Ktm

    Hi Is there anyone oriented if the rear fender and side panels from TE 510 will "fit" to LC4? Mainly I'm interested in whether the fender is a similar width ;) Maybe someone has some photos of a similar "combination"?
  13. KTM 640 Lc4 Passenger pegs

    Street Tarders
    Hey guys i was wondering if any of you had a set of passenger pegs for my lc4 supermoto that you would be willing to let go?
  14. Electrical problems with '01 KTM Duke II- need help

    Hey guys I have a problem with the electrical system on my bike, but I can't figure out what's wrong. I don't have a voltmeter, so I haven't used one yet. For starters, I have a 2001 KTM Duke II 640 with an LC4, and everything works great, except for the fact that it seems as though the bike...