This is the Crankcase for the OS Speed 12TZ Engine.

FEATURES: Black powder coated aluminum construction
          Rear exhaust, round port design

INCLUDES: One crankcase

REQUIRES: All other engine components (see engine for parts list)

SPECS:    Distance between mounting holes same side:            0.43" (11mm)
          Distance between mounting holes opposite side:        1.2"  (31.4mm)
          Distance/bottom of mounting flanges/top of crankcase: 1.6"  (42mm)
          Width of mounting flanges:                            0.43" (11mm)
          Diameter of exhaust flange:                           0.55" (14mm)
          Backplate mounting hole centers:                      0.71" (18mm)

                                                                    tlw 5/25/07
                                                                         ir/jxs