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About dvorak51

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  1. dvorak51

    oil out of silencer

    Yes its much healthier not having spooge,if your plug is brownish gray and black on the first three threads,you are dialed in.Your bike could probably pass an emmissions test,and no carbon footprint.
  2. dvorak51

    oil out of silencer

    It really sounds like your rings are worn out.More wear more spooge.Replace them and use HP2 or another synthetic.Clean your carb.once in a while and check your reeds.
  3. dvorak51

    05 CR250 pinging - stock compression too high?

    My 03 had a detonation problem with 92 octane,blending with 110 or using 110 no more detonation.Every engine makes noise,so just ride it as the Honda Engineers would say.
  4. dvorak51

    New 07 CR250 What would you pay ?

    It may be new but it is an 07 3 to 4 grand
  5. dvorak51

    2007 CR250 Parts in the US

    Check out Cheap Cycle Parts.com or Service Honda.com
  6. dvorak51

    03 Cr250 top end rebuild

    What are the holes for? I have an 03 and just installed another stock piston kit.I have 80 hours on the bike and measuring the cylinder it is still in spec. and the plating is perfect.I have always used Honda HP2 oil and 110 octane fuel and the exhaust valves are always clean.So back to the holes,it sounds like possible piston failure.
  7. dvorak51

    2004 cr250r how do i crisp this thing up boys??

    I have a ProCircuit exhaust flange and it is also shaped perfect.I also have a PC works pipe with the r304 silencer and its killer in bottom and mid but the FMF SST and shorty has top end and overrev thats insane.Definitely add a tooth to the rear.
  8. dvorak51

    2004 cr250r how do i crisp this thing up boys??

    Remove and clean the carb. thoroughly,your pilot jet is plugged.I have an 03 thats touchy to temp.and humidity change.It runs very good between 65 and 80 with a 410 main 32.5 pilot clip at 2nd and air screw from 1.5 to 2 out. My top end is stock with vforce3 reed assembly and an FMF SST pipe with a power core 2 shorty.I have to run 110 octane to avoid detonation.MX926 tell me about the boyesen exhaust flange.Where is it most noticable? I have been thinking about installing one.
  9. dvorak51

    2003 cr250 rebuild/ electrical

    The electrical components will last a lifetime. The 03 cr like all mx bikes just need routine maintenance.
  10. dvorak51

    Resurrecting a forgotten 2001 CR250

    GN2? hopefully you meant HP2. Very nice looking CR. Whats with that chopper thing? Are you putting that in a garage sale?
  11. dvorak51

    What does RC Valve stand for?

    rc stands for revolutionary control you can read all about it in the hrc archives