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Korbenw7p3c

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About Korbenw7p3c

  • Rank
    TT Bronze Member

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  • Gender
    Male
  • Location
    Illinois
  • Interests
    dirtbikes, the little ones, what else!

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  1. Korbenw7p3c

    Lets see your vintage ride

    My new to me ‘74 CR 125M in all its glory! Runs/rides good other than I think it needs new clutch plates and springs as it slips just a bit at max RPM’s. 165lbs compression. It was retired from the P/O racing AHRMA events about two years ago. Fresh tranny fluid and pre-mix and it runs great. Can’t wait for spring to get it in the dirt!
  2. Korbenw7p3c

    2009 RM 85. (SOLD)(SOLD)(SOLD)

    Time Left: 13 days and 13 minutes

    • FOR SALE
    • USED

    Complete engine rebuild- piston, pin, ring, crankshaft assembly, new clutch hubs, fibers,plates, bearings and seals, chain, sprockets, swing arm protector, rear brake piston rebuilt, new brake pads F&R, rear suspension linkage bearings, bushings and seals, front fork internals replaced. Stock pipe

    $1,300.00

    Decatur , Illinois - US

  3. Korbenw7p3c

    Forgotten Tracks of the Midwest - Old Timers Needed!!

    What about a track in Bethany,Illinois? Never raced there but spectated there. That was the year the first 125 Elsinore’s showed up and killed the competition. I still remember that you could tell where an Elsinore was on the track ever though you couldn’t see them. I’ve searched for this track out riding in my HD and no luck. It was on somebody’s farm I’m sure. It was the local place to go.
  4. Korbenw7p3c

    Lets see your vintage ride

    Call Mark @ Jim’s Cycle stop. (217) 422-7892. I can almost guarantee he has one.
  5. Korbenw7p3c

    Lets see your vintage ride

    Oh, be still my aching heart! My #1 wish VMX bike. Grew up in that era and had friends that had them in various cc’c
  6. Korbenw7p3c

    Lets see your vintage ride

    That copper CT needs a new home!
  7. For my bikes- never hone a plated cylinder. Never less than 40:1. Always use motorcycle oil for 2-T. Fog the engine internally because of being stored in a detached unheated garage, kick it over once a month.
  8. Korbenw7p3c

    Lets see The Rm's

    So jealous of your “back yard trails”! I’m liking the fender bag too. Haven’t figured out yet how to mount a proper one on my pit bike yet. Have to find the right bag first, then I’ll bolt it on. Happy trails.
  9. Korbenw7p3c

    Lets see The Rm's

    It happened again. RM 85 Super.
  10. Korbenw7p3c

    Measuring 2t bore

    That is correct. But, some companies do offer the (+) sizes. When I was getting back into 2-strokes (recently) I posted a question about what piston brands to buy and which ones to stay away from. Most any company offering pistons for our bikes, I was told that all were good except for Namura. Don’t buy one even if they are consistently cheaper to purchase than everyone else. So far, I’m liking the Wiseco in my newest and recently purchased bike. My original RM 85 I bought in January now has a Pro-X piston. I’ll be staying with those two I’m pretty sure.
  11. Korbenw7p3c

    Measuring 2t bore

    That is correct. But, some companies do offer the (+) sizes. When I was getting back into 2-strokes (recently) I posted a question about what piston brands to buy and which ones to stay away from. Most any company offering pistons for our bikes, I was told that all were good except for Namura. Don’t buy one even if they are consistently cheaper to purchase than everyone else. So far, I’m liking the Wiseco in my newest and recently purchased bike. My original RM 85 I bought in January now has a Pro-X piston. I’ll be staying with those two I’m pretty sure.
  12. Korbenw7p3c

    Measuring 2t bore

    I believe you’re thinking about how some manufacturers offer pistons in “A,B and C” sizes to accommodate for the bore opening up oh so slightly from use. A “B” piston (could) be the right size for your bike. I remember you describing how the bike was kinda beat when you bought it. I definitely would get it measured correctly and then order the correct size according to that measurement. I just recently read about one of Wiseco’s pistons with a coating and they only come on “one size”. They claim that the coating wears where it needs to wear and when broken in all the way it’s the correct size.
  13. Korbenw7p3c

    Hows my bore from what you can see in the pic?

    Sounds exactly like mine. I don’t hear anything that sounds concerning. Normal difference in sound I think.
  14. Korbenw7p3c

    Hows my bore from what you can see in the pic?

    The pitch of the sound will indeed change with throttle position when testing the compression. Forgot to mention that 125 is too low and I’m sure there is some significant wear on your piston ring. I know you want to ride while you can before the weather gets nasty out, but you’re running a big chance of some expensive engine damage if you continue to ride it.
  15. Korbenw7p3c

    Hows my bore from what you can see in the pic?

    You’re doing good and learning quick, asking the right questions. I have the same bike and just did a semi-recent top end rebuild. Six kicks w/the throttle wide open and I was at 165psi. Just checked it again and it’s at 165 still. I’m just riding around in fields and some woods. WFO in a gear or two then slowing down watching out for trees and terrain changes.
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