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  1. Ktm 690 crankcase breather

    KTM
    New to this forum. I have a Ktm 690 enduro that I turned supermoto. Wings slip on, Rottweiler intake, power commander. I recently blew the engine and has been rebuilt with new valves etc. doing break in miles now. I noticed that there is an open hose sticking up near the Rottweiler filter now...
  2. HELP do not know what is wrong.

    Chat
    Hello all, So I built a 2011 kx450f supermoto and cannot figure out what is wrong with my bike. At a cruise in 4th gear it feels like my bike pulls back for a second and then will do it again at the same speed. It does not seem to lose any rpms, engine sounds fine. I was thinking maybe...
  3. WANTED husaberg 2008 450 fe engine swap

    Wanted
    Bought an 08 450 fe Berg and put less than 10 hours on it before the valve dropped into the cylinder, wrecked the head, cam, valve cover and debris dropped through the timing chain cavity to the bottom of the case... looking to buy used engine and just swap completely Thanks all!
  4. Scratches on engine

    Chat
    Hey guys, So I have been practicing wheelies on my new bike (new to me) ever since I got it. I've gotten pretty damn good, but with all practice comes mistakes. It's not IF you wreck it's WHEN and HOW BAD lmao. So anyways, I have a few deep "scratches" or "indents" on the engine block from...
  5. YZ450F engine or crankcases 2014 2015

    Wanted
    Hello Looking for a whole engine or set of crankcases for 14/15 YZ450F. Dead or alive. Not fussed if a rod, crank or gearbox has failed in them. Let me know if you have something available Cheers
  6. 06 sm610 help!!!!plz..

    Supermoto Tips & Technique
    I now reassembling the engine. But not well understand when you see guidelines for the maintenance work and stop at a rail. Wished to the reassembly, who at first a picture or video or advice.^^
  7. Engine knock at idle in Husky SM610 i.e.

    Husqvarna
    I need help, run out of ideas. Engine starts to knock suddenly. It's knock at idle below 2000-2500rpm. Sounds really bad and I've got no idea what is this. Was replaced the piston because of slack and clutch basket buching (it has grooved a little). Was checked connecting rod and crankshaft its...
  8. An unfortunate event had led me here

    New Supermoto Riders/Members
    Howdy y'all. I was on my way to my mechanic yesterday for some maintenance work. About 1/2mi away from it, I came to a traffic light on red. Immediately after coming to a complete stop, I was engulfed in white smoke. The oil was leaking badly so I pulled into a gas station. Not knowing what...
  9. DRZ bent valve

    Tech/Setups for Supermoto
    Hi all, I'm new here but couldn't find much on this. My timing chain recently jumped a few teeth and bent a valve so I'm looking for a motor or sell as is. Is this a common issue because I've read a few threads on here where people's heads are "bad". Is replacing the head advised or the entire...
  10. WTB: DRZ400SM motor

    Wanted
    My 07' Suzuki DRZ400SM's cam chain jumped a few teeth and bent a valve. Will be selling the motor, but in the mean time, would like to replace the entire motor with a used functioning one. If you have a complete motor or know of any reliable sources, please let me know! Thank you!
  11. husqvarna smr 510 07 engine - engine cases wanted!

    Wanted
    looking for 07 husqvarna smr 510 engine or just the cases... send me pics and price shiiped to 91980 [email protected]
  12. 2008 KTM SXF 450 with 505 big bore kit

    Tech/Setups for Supermoto
    Hi everyone, I just got my first supermoto and it's a basket case. I put the motor all back together and here are my issues: - there is oil leaking from between the crankcase and cylinder. The original cylinder takes 2 o-rings, but the after market one I am not sure where it came from...
  13. Xr250 Advice and help!! Mods

    Tech/Setups for Supermoto
    Hey just purchased a new to me 1986 xr250r (street legal) and looking to add a few mods to "open" it up a bit more and maybe turning it into a true Sumo. I'm currently working on a smoking issue with it that is being handled ASAP, and since I have the motor off the bike I'm wondering what I...
  14. New engines for sale

    Tech/Setups for Supermoto
    Hi everyone, Im looking for either a honda 450 engine or yamaha 450 engine. Does anyone know where i could find engines for sale? Thanks :D
  15. DRZ400 top head or possible enitre engine

    Wanted
    I am looking for a good top head assy or maybe even a whole engine if the price is right. Let me know what you have and how much.
  16. Wr250x noises?

    Yamaha
    Hey guys This might seem like a silly post to some of you, but I figured I might as well ask. My wr250x is coming up on a thousand miles, had it's break in oil changed, and been on a 300 mile road trip. Even now I'm still getting used to the bike. It is my first bike, and because of that I'm...
  17. chirping noise?

    Tech/Setups for Supermoto
    hey SMJ, i have an 08 WR250X and i have been noticing it starting to chirp. it is pretty loud and i am concerned it may be something rubbing in the engine or something of that sort. - only happens when giving it throttle - does not happen when coasting with clutch disengaged -seems to me...
  18. DRZ engine number help.

    Suzuki
    I hope this is the right spot in the forum for this. I am thinking of buying a bottom end from a guy on craigslist, and then rebuilding it for a DRZ 400 project. He doesn't have much info on it. The engine number is K419 - 140185. I've been searching for a while now and found that the K419 is a...
  19. 1st issue - Bike died while riding

    Aprilia
    Hey everyone! I'm seeking some advice, I'm thinking I might be able to do something myself, otherwise I need to wait till sunday to take it to the Dealer. I was riding on the highway doing around 170Kph 9000rpm or so (not constant, had to lower speed and accelerate due to traffic), at some...
  20. 2005 TE510 R.H. cover wanted!

    Wanted
    Hello everybody, I bought a used KTM and my mate a Husky TE510 to have some fun together. So we did! However after a day out we found the clutch cover (rh case) was cracked! Someone had a go with welding but screwed it as it's a magnesium alloy. Would anybody be so kind and have this second...
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