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  • compression question

    I finally got my bike running and wanted to check my compression. From what I have read, I warmed up the motor and pulled all the pluges. I then checked the compression with the throttle wide open.
    I got the following numbers;
    1- 140
    2- 130
    3- 130
    4- 135
    Are these good or not? Remember that this bike has been sitting for about 4-5 years.
    Bill

    1980 XS 1100 Special
    1979 650 Special - sold (Stupid Me!)

  • #2
    Most "X"cellent readings!

    Hey Radiation,

    Great readings, NEW OEM values are 142 + 18 at sea level!! And they are all within 10% of each other, so looks like you got a good one! ENJOY!
    T.C.
    T. C. Gresham
    81SH "Godzilla" . . .1179cc super-rat.
    79SF "The Teacher" . . .basket case!
    History shows again and again,
    How nature points out the folly of men!

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