OS HYPER 50 Nitro Engine

SPECS:    Output: 1.9ps/17,000 RPM
          Practical RPM Range: 2,000-20,000 RPM
          Displacement: 0.499 cid (8.0cc)
          Bore:  0.866in. (21.99mm)
          Stroke: 0.847in. (21.51mm)
          Weight: 14.33oz (405.4g)

          Distance/top of cylinder head-bottom of mounting ears: 2.9"  (74mm)
          Distance between mounting holes same side:             0.68" (17.5mm)
          Distance between mounting holes opposite side:         1.73" (44mm)
          Distance between muffler mounting holes:               1.4"  (37mm)
          Length of cylinder head:                               2.1"  (54mm)
          Width of cylinder head:                                1.8"  (47mm)
          Distance/bottom of crankcase to top of cylinder head:  3.6"  (92.3mm)
          Distance from center of engine to front bearing:       2.0"  (51.6mm)
          Distance from center of engine to backplate bolt:      1"    (25mm)
          Distance from center of engine to throttle lever:      1.5"  (38mm)