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OS FR7-420 (SIRIUS 7) RADIAL ENGINE

Topmodel.fr / ALL / Hardware / 4stroke engines / Os / OS FR7-420 (SIRIUS 7) RADIAL ENGINE

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Product information


The OS FR7-420 (Sirius 7) is a seven-cylinder radial overhead-valve four stroke-cycle engine of 70cc displacement

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The engine maintains the same features of stress free starting, super smooth idling and high torque power which is always the hallmark of OS large size multi-cylinder engines.

With its finely detailed design and outstanding scale appearance and sound, the engine's quality is second to none.

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Technical data:

  • Displacement: 69,65cc (7x9,95cc)
  • Bore: 24,0 mm
  • Stroke: 22,0 mm
  • Practical RPM: 1500-7000 t/mm
  • Weight: 3167 g
  • Propeller 2-bladed (recommended): 22x10-12 / 23x8-12 / 24x8-12 / 26x8“
  • Crankshaft wind: UNF 3/8“x24
  • Cylinder (Number/Syst): 7/4 stroke

Standard Accessories:

  • Glow plug Type F (installed on the engine)
  • Plug Cable Set
    -Plug Cable (7pcs.)
    -Plug Terminal (7pcs.) (w/silicone tube)
  • Lead For Earth diameter 5 (1pc.)
  • Needle-Valve Extension Cable Set
  • Drain Plug
  • Carburetor Insert
  • Radial Mount Retaining Screw Set
    -Engine mounting screws (M5x25) (5pcs.)
    -Lock Washers (diameter 5) (5 pcs.)
    -Blind Nuts (M5) (5pcs.)
  • Valve adjusting tool kit
    -Feeler gauge 0.04mm
    -Feeler gauge 0.1mm
    -Hex. key 1.5mm
    -Wrench 5mm
  • Decal
  • Instruction Manual
  • Aluminium Case
 
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Also available, OS exhaust collector ring for SIRIUS 7 # 04737010-C
 
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OS ENGINES

Content of the set





Your price:
Price on Request
Product Code: 04737010
Added to the site 10/13/2010
Manufacturer: OS ENGINES
Please see our Trading conditions and Shipping cost for detailed information about delivery dates and fees.

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Documentation + Video

 Documentation
OS FR7-420 (SIRIUS 7) RADIAL ENGINE.pdf
PDF documentFile size: 2.69 MB
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