Suzuki/Johnson 30hp 4-stroke technical question

dexter20csgr

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Jan 4, 2008
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Hello people , i would like to know what are the right values for the opening of the intake valve and exhaust valve of the cylinder head of the Suzuki 30hp or the Johnson 30 hp (they are identical) both 4-stroke.

thank you in advance
 

Silvertip

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Sep 22, 2003
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28,771
Re: Suzuki/Johnson 30hp 4-stroke technical question

Are you asking for camshaft specifications or valve lash values? These are two very different values. Valve Opening and Closing is expressed in degrees. Valve lash is expressed in thousanths of an inch or mm and measures the gap between the base circle of the cam lobe and the lifter. I have those values for the DT40 & 50 but not the 30. There is nothing you can do about the camshaft specs as that's a design parameter and not adjustable.
 

dexter20csgr

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Joined
Jan 4, 2008
Messages
9
Re: Suzuki/Johnson 30hp 4-stroke technical question

I am looking for the opening and closing values in degrees , not the lash values.But i need it for the motors i am saying above....
 

Silvertip

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Sep 22, 2003
Messages
28,771
Re: Suzuki/Johnson 30hp 4-stroke technical question

It is not published for the DF40/DF50 and is probably not published for the 30 either.
 
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