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    This is a replacement parts set for the O.S. FS-91 Surpass 4-stroke engine.

This Package Includes:
   (1) Head Gasket - This thin metal gasket seals the gap between the cylinder
         head and the crankcase.  This also sets the head gap.
   (1) Intake pipe gasket - This thin paper gasket seals the gap between the
         intake pipe and the crankcase.

Specifications:
   Head Gasket:
     Inner Diameter: 27.5mm (1.08")
     Outer Diameter: 32.5mm (1.28")
     Thickness: .384mm (.01515")
   Intake Gasket:
     Diameter of Exhaust Hole: 12mm X 9mm (its oval shaped, .47" X .35")
     Distance Between the centers of Screw holes: 15mm (.59")
     Height: 16mm (.630")
     Width: 21mm (.827")                              JBN 4.4.94 *8)



– If you need more information, use these O.S. resources –

E-mail: enginesupport@hobbico.com
Web Site: http://www.osengines.com/
Phone: 217-398-8970


 
Postal Address:
O.S.
3002 N. APOLLO DRIVE, SUITE #1
CHAMPAIGN, IL 61822  








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