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Discontinued

21XR-B Version II Car Engine

OS Engines - OSMG2056

21XR-B Version II Car Engine Product Specs

  • Bore0.64 in (16.27 mm)
  • Crankshaft ThreadsUNF1/4-28
  • CylindersSingle
  • Displacement0.213 cu in (3.49 cc)
  • Engine (Only) Weight13.40 oz (380 g)
  • Plug TypeTurbo P-3 Glow Plug
  • Power TypeGlow
  • Product Height3.4 in (86.5 mm) bottom of mounting tabs to top of cylinder head
  • Product Length2.5" (64.5 mm) from backplate to front bearing
  • Product Width1.8 in (45 mm) at mounting tabs
  • RPM Range4,000 - 40,000 rpm
  • Stroke0.66 in (16.8 mm)
  • Total Weight12.5 oz (353 g)

21XR-B Version II Car Engine Video Overview

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