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9996

Re: Hello I'm James

Maybe he warms the motor with a block heater and sprays starting fluid into the throat, pushes it downhill in second gear and THEN gives it a kick at the
Rob Nienburg
2:32 AM
#9996
 
9995

Re: 100 head on a 125?

Hi Max, The one piece heads interchange between the 100’s and 125’s. The difference is the combustion chamber is smaller on the 100 by about half a point
    Macchiracer
    Jul 31
    #9995
    This message has attachments
    9994

    Re: 100 head on a 125?

    1970-75 CB/SL/CL heads are same EXCEPT for chamber size and rocker arms. 125 head had extra cut for 1.5cc added to chamber (makes it kind off oval instead of
    t.raymiller
    Jul 31
    #9994
     
    9993

    Re: Hello I'm James

    Sorry, Just have never seen one start first kick (maybe second or third) after 30 or even 4 years of any kind of storage. I've been screwin with bikes for 40
    John Averick
    Jul 31
    #9993
     
    9992

    Re: 100 head on a 125?

    Same basic head. Has smaller combustion chamber which will raise your compression (in my opinion a good thing) to about 10.5-1. Valves identical. Only real
    t.raymiller
    Jul 31
    #9992
     
    9991

    Re: 100 head on a 125?

    I've done a bit more research and the valves are the same for the early one-piece heads. The only discrepancy I've found in the shop manual is that the spring
    maddoxdtm
    Jul 31
    #9991
     
    9990

    Re: Hello I'm James

    He probably means after getting it up and running after sitting 30 years, it now starts on the first kick each time he starts it. Rob
    Rob Nienburg
    Jul 30
    #9990
     
    9989

    Re: Hello I'm James

    Sweeping statement- depends how the  bike was stored. If it was stored well for 30 years then it could start first kick. I had a Honda C50 that sat in a
    Robyn Williams
    Jul 30
    #9989
     
    9988

    Re: 100 head on a 125?

    I think a cb100 head can go on a 125, but not the otherway round due to valve sizes could conflict with the piston crown Black Cat Motorcycles Mobile Mechanic
    Robyn Williams
    Jul 30
    #9988
     
    9987

    Re: Hello I'm James

    If it started the first kick without doing anything to it it didn't sit there for 30 years. We try to keep the forum BS proof. Thank you On Sunday, July 26,
    John Averick
    Jul 30
    #9987
     
    9986

    100 head on a 125?

    I'm rebuilding a '73 CL125 and due to excessive valve seat pitting I may need another cylinder head. I have an opportunity to pick up a head from a 100 but I'm
    maddoxdtm
    Jul 30
    #9986
     
    9985

    Re: Anyone know where to find a CL125s scrambler exhaust pipe?

    I gave up trying to find an exhaust, and ended up hacking it off at the muffler weld and doing this for less than $100. I still need to make the rear bracket
    pzx.blink
    Jul 26
    #9985
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    9984

    Re: Anyone know where to find a CL125s scrambler exhaust pipe?

    By the way- what are the specs on the tires in your photo?
    maddoxdtm
    Jul 26
    #9984
     
    9983

    Re: Hello I'm James

    It is either a 74 model or someone switched front wheels. Sent from my iPhone
    Robert Serpico
    Jul 26
    #9983
     
    9982

    Re: New (For Me!) CB125s

    I've heard of dents being blown out with compression, but I suspect that wouldn't work with any dent that creases the tank. Perhaps someone here will tell us
    Dallas Denny
    Jul 25
    #9982
     
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