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  1. I think the bushings were not in best form. But I can't find bushings to buy. Or dimensions of them.
  2. I have real issues with my clutch pulley from Arctic Cat 400. Will destroy transmision belt quickly. I knew he had this problem since I bought it. Now I need some parts from clutch pulley but I CAN'T FIND MY TIPE OF CLUTCH PULLEY ON OTHER Arctic Cat atvs. I try every year and model on and no one is like my model.
  3. Is big question yes,and also a big problem for ktm 450 2008 too. The engines are quite the same in design. Anyway,the ex mechanic said it is impasibile to hapend that. Maby is mechanic's mistake,but we don't want to open engine and the problem persist.
  4. I can't find information about this problem. On my mate bike,oil from engine side will migrate on clutch side! The engine was recently rebuild. We can't trust in mechanic,maby he didn't changed the seals. My question is: is there some solution to drill a hole to crank case to have a continuous oil flow ? On KTM with the same problem the solution is to do a hole in a specific place.
  5. I have moded my cylinder head,I have around 1.45mm squish,is a bit large but is ok for now. Yesterday I made a compression test. My rings are at used at 60%. Is that ok? Is I put new piston in will be to big Compression?
  6. Can I use power valve flap from 250 to 300 on ktm exc 2011?
  7. Yes,I'm understand that. With needle is 1/5 clip leaner? I read that the N3CH is 1 clip leaner then N8RH. For example n3ch2= n8rh1 . And we know the n3xx needles are in 2 category n3cx and n3ex. So N3EH2 = N3CH 2.5 =N8RH 1.5 ­čśü On my case N3EH #4 = N8RH #3.5
  8. But in clip 3 will run ok,no rich symptoms. But not so much power. For example if I'm in 5 gear at very low speed and I grab full throttle with clip 4 will build power but with clip 3 will boog. H needle is the best so far for torque. No so clean run but power anywhere.
  9. I ended up with N8RH in #4 clip. Like train!!!! A lot o torque an power everywhere but is a bit too rich on steady throttle , I need to move on #3 clip but I lose the extra power,but run clear. So I need 1/2 clip leaner needle. Or to shim my current needle.
  10. So, in 4# clip will pull like a train! But is a bit too rich on stady throttle. I need 0.5 clip leaner needle.
  11. I consider that.
  12. BelRay sin7 , 50:1
  13. See my notes. I don't think my bike is on lean settings,but I start to think about fuel, something is in there why I can't obtain brownie colour.
  14. Standard 95 RON pump fuel. Location: Romania, EU.
  15. Is about a spark plug from my mum exc 250 2011. Jetting: 42p N8RH#3 175 main AS1.5 Temp around 8C Alt 500m For me seams a bit gray= lean but I can feel it lean. To make more brownie the spark plug i need to rich up a bit jetting,but where? Or is ok how it Is? -from spark plug colour?