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Found 6 results

  1. I read somewhere that the best front sprocket was the OEM KTM one. Any road, my bike eats them. I ride it every weekend and so it gets lots of use. I end up changing them nearly every 2 months. I am always worried about the wear on the front sprocket as I went out riding once and i did two full days in a row. When we were out I was going through some deep mud and had to kind of paddle my way out using my feet and lifting my weight off the bike as it was just digging a hole. When I did it I could hear this sound which I thought was the chain slipping on the front sprocket. I didn't know it had being slipping until I replaced the worn front sprocket. I figured it was the worn sprocket that had caused the chain to slip around the front sprocket conbined with the chain being on the upper region of chain tension specification because we had been out for two days. I figured as soon as the front sprocket starts to get slightly worn it needs changing. Cut a long story short because my bike eats front sprockets and I was using KTM ones I thought I would try supersprox front sprockets to see if they last longer. I have just replace my worn supersprox and when I compared it to my OEM KTM one I have only just noticed a number of differences. Supersprox. Not that worn really but starting to get hooked. About 30% of original metal worn away. This was approximately what the last OEM KTM one was like when the chain started to slip around it when I lifted my weight off the bike in the deep mud. When I stood my supersprox front sprocket on end up against my OEM KTM one I noticed how much bigger the teeth are compared to the KTM one. It makes a lot of difference around the overall diameter of the sprocket. You can also clearly see this if you push the sprockets up against the chain as the teeth go much further through the chain. It's as if the supersprox teeth have been made the same height as the entire KTM one and then they stuck the pointy triangle bit on the top. I know this isn't entirely true, as the teeth resting on the bench are the same height, but you get my meaning. Basically what I am trying to say is that if I had been running the supersprox front sprocket, even worn, it would not have slipped the chain as easily as the KTM one as the teeth are that much bigger. My advice would be if you are going to buy a new front sprocket then buy supersprox over KTM. Especially if you are going to run them to a little worn as I believe there is a lot less chance of your chain slipping and I think that they would be more reliable. Wear wise they are both about the same. Now I can't really prove this until I have tested a front supersprox sprocket to death. So I will post back after I run the one I have just stuck on, in to the deck. But I reckon that the worn supersprox front sprocket that I just took off could have been left on for much longer. Or if you just find yourself doing a lot of riding and getting caught out with your front sprocket wear then the supersprox would be more reliable when worn. Hope that was of some interest.
  2. Hello all, I just got my frist KTM a couple of weeks ago, and I am very happy so far! I find the gear perfect for the woods and tight trails, but I also use the bike for open trails, and some times I ride up to 50 km (30 miles) in order to get to the interesting trails, so here comes my questions: 1. Will the bike a loose a lot of torque with a 14 tooth front sprocket? Will I notice an actual improvement in the open trails? 2. Is it ok for the engine to ride 30 miles (and back) at regular speeds (50 mph) before getting the the trails? Or should I be looking very cautious at the amount of hours I put on the engine? I am planning to do oil changes every 300 miles, and regular air filter cleaning. On open roads is the only time that I some times miss my WR 450 F. I was using 14/48. But once I get to the trails, i just forget her completely. Thanks for the advice! Cristián
  3. Alright, I've done quite a bit of research without finding anything, hoping some other BRP owners/mechanics can help me out. I've only had my XR600R for a few months, but it hadn't let me down or leaked any oil before. Until out on a ride, downshifted around a turn, and heard some expensive noises. Looked down to see a bunch of oil flung out all around the front sprocket. Before the ride, I'd added 1/3 quart of oil and later realized it was overfilled, so maybe some internal seals blew out via my own dumb fault. Back home on the stand, I cleaned everything and noticed a fresh nick out of the stator case right in front of the front sprocket. I'm think when I downshifted there was some slap and the chain came off of the front sprocket, which was the grinding noise I heard. But how could a chain coming off be related to an oil leak? With the front sprocket off, I could shift through every gear and back down without a drop of oil coming out. I cleaned the whole drivetrain, put the sprocket and chain back on, did the same thing, and oil flung out and turned my chain black again. So it's only leaking under load? I replaced the countershaft seal, very carefully, plenty of grease, tapped it in with a big socket, and the problem is still exactly the same. Also, the countershaft itself is rock solid. And I got a good view of the bearings with the countershaft seal out and they looked fine. I'm not sure why it's only leaking under load. My dad noted it could be a pressure problem, maybe the crankcase not properly ventilated. Please share your opinions, thanks in advance for your time and help!
  4. Hi guys. First post here after lurking for a while 🙄 My front sprocket is leaking. I've read all about the locktite fix. I have yet not done anything. I don't have a 30mm top (arrives tomorrow), so I haven't been able to verify if the sprocket bolt can be tightened. But it is not "finger loose" at least. I am ordering new seal, o-ring, spacer and screws. Now to the question: I have some off-road training coming up tomorrow and a 200km gravel trip on Sunday. Parts won't arrive before next week. If I verify that the bolt holding the sprocket is not loose - and hence the leak must be due to seal/o-ring failure - how slow/fast will it usually develop from here? Right now it is a few drops after turning off a warm engine. Think it will only worsen slowly or can it suddenly start pissing oil all-over? Thanks in advance, Denmark
  5. I am considering going a tooth or two bigger on my front sprocket, wanted to get some input on some good brands and or what anyone's thoughts were once they went for a bigger sprocket? Thanks.
  6. I wanted to ride out this morning with my friend on this 2006 KX250F I bought a couple days ago but it needs a new sprocket. The nut holding the sprocket on has 20 teeth! I have been looking for hours for information on this and I even read the owners manual. I can’t believe there isn’t any information on this.. I looked up “all different types of wrenches” “all types of nuts” but I can’t find anything on how to take off this dumb nut!
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