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O.S.SPEED R21-M05 Minicars SE Marine Engine

Valmistaja: OS Engines
438,85 €
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Tuotekoodi: 0R21M05
Numero: OS0R21M05
Tuotemerkki: OS Engines

Tekniset tiedot Arvostelut

Tekniset tiedot

O.S.SPEED R21-M05 Minicars Marine SE Racing 3.5cc Engine



This is the new Minicars Marine Special Edition O.S.SPEED R21-M05 3.5cc long-stroke competition engine!

First delivery is expected in early summer of 2023!

Features:

  • Newly developed O.S.Speed black crankcase with Minicars Marine Laser Engraving
  • Black anodized water cooling head with Minicars Marine Special Edition Laser Engraving
  • DLC coated & balanced "SG-type" crankshaft (4.5mm balance weights)
  • 9-port cylinder liner with 3-port exhaust
  • Backplate with steel thrust plate for lower friction and increased durability
  • No carb included - choose your own carburetor (15mm diameter neck)


Suitable for competition boats (experience level ”high”):

  • Hydroplanes
  • Offshore (with gear deduction)
  • Endurance (with gear reduction)

Recommended fuel:

  • Hydroplanes: 40-60% nitro fuel with 8% Klotz Original Techniplate + 8% Klotz Benol oil
  • Offshore: 16-40% nitro fuel with 8% Klotz Original Techniplate + 8% Klotz Benol oil
  • Endurance: 16-40% nitro fuel with 8% Klotz Original Techniplate + 8% Klotz Benol oil


Specs:

  • Displacement: 3.49cc
  • Bore: 16.08mm
  • Stroke: 17.2mm
  • Practical r.p.m. Range: 4.000?45.000 (4.000?43.000)
  • Output: 2.76hp @ 35.000r.p.m.
  • Weight: 260g


Included:

  • O.S.Speed R21M05 Minicars Marine Engine
  • RP7 Glowplug
  • O.S.SPEED decal
  • Printed Manual & partslist



New 9-port sleeve with a 3-port exhaust


New DLC coated crankshaft with improved balance


Steel insert backplate for less friction and more durability


*Prototype pictures, specs, info & pricing - to be updated in March 2023


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