606 Henton St · Livermore, KY

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OS Engines O.S.SPEED R21 EURO3 3.49cc Nitro Engine with Muffler Set

SKU: OSM1FP01

$754.99

Racer-tested
Parts we run at Lanes Raceway

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Details

Key Features

  • Outer head’s all new design fins with improved heat management.
  • The cylinder liner features a newly designed 7-port. Piston got a special treatment to reduce the risk of seizure and enhance durability.
  • Low-to-mid range has been improved by optimizing the counterweight of the crankshaft.
  • We applied Ceramic balls for the rear bearing for quicker response of low range.
  • For the dust cover, to avoid fuel leakage and dust with “Dust cover ring”.
  • Combo set comes with TR03 EFRA2196 silencer & MR05 manifold.

In the box

  • (1) O.S.SPEED R21 EURO3 3.49cc Nitro Engine
  • (1) Muffler Set
  • (1) T-RP7 Glow Plug
  • (1) φ8.5 Reducer
  • (1) Exhaust Seal Ring
  • (1) Dust Cap Set (3mm, 16mm, 18mm)
  • (1) Tapered Collet

Specifications

  • Bore: 0.63" (16 mm)
  • Displacement: 3.49 cc / 0.213cu.in.
  • Manufacturer #: 1FP01
  • Product Weight: 11.89 oz (337g)
  • RPM Range: 4,000-45,000 rpm