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    Cfish1980's Avatar
    Cfish1980 Posts: 14, Reputation: 1
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    #1

    Jul 2, 2013, 09:55 AM
    Piston arrow on Tecumseh engine
    I have a Tecumseh ohv155 204502a
    The piston has a arrow next to the piston retaining pin
    Should it face the fly wheel
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #2

    Jul 2, 2013, 03:01 PM
    If the piston has fly cuts, the arrow points in the direction of the fly cut and valve side so the valves don't hit the piston. It may be front or back. This is for a 4 cycle. In a 2 cycle, usually points in the direction of the exhaust flow, toward the exhaust port on the sleeve.
    Cfish1980's Avatar
    Cfish1980 Posts: 14, Reputation: 1
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    #3

    Jul 2, 2013, 03:41 PM
    Quote Originally Posted by ma0641 View Post
    If the piston has fly cuts, the arrow points in the direction of the fly cut and valve side so the valves don't hit the piston. It may be front or back. This is for a 4 cycle. In a 2 cycle, usually points in the direction of the exhaust flow, toward the exhaust port on the sleeve.
    it's a four cycle
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #4

    Jul 2, 2013, 06:45 PM
    Align the piston so the flycuts are on the valve side.
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