This is the O.S. 21XZ-R ABC Engine with 21M Carburetor
                        for 1/8 scale On-Road Vehicles.

     ****** Because of the expressed racing nature of this engine, ******
     ******     it is NOT covered by the O.S. 2 Year Warranty      ******
     ******               per page 8 of manual.                    ******

FEATURES: Tungsten-weighted silicone filled crankshaft creates optimum balance
            for consistent low and mid speed torque, DLC (Diamond-Like Carbon)
            coating for reduced friction and enhanced performance
          ABC piston and liner construction "A"luminum piston fitted to a
            "B"rass cylinder liner that is "C"hrome plated
          Liner has seven scavenger ports and three exhaust ports for more
            efficient combustion
          21M slide valve carburetor with 9mm carb reducer that restricts the
            airflow helping to increase the amount of torque produced

INCLUDES: O.S. 21XZ-R ABC On-Road Engine w/21M Carburetor, Exhaust
            Gasket RP7 Turbo Glow Plug, 9mm Carb Reducer, Flywheel Collet,
            Instruction Manual, 0.2mm Head Gasket and two Dust Caps

REQUIRES: Fuel: 10-30% nitro content, 20% recommended for break-in
          Exhaust System: Depending on vehicle
          Glow starter, fuel tubing and track equipment

SPECS:    Displacement: 0.213 cu in (3.49 cc)
          Bore: 0.640" (16.27 mm)
          Stroke: 0.661" (16.8mm)
          Practical RPM: 4,000-45,000
          Power Output: 2.8 PS, 2.76 HP 33,000 RPM
          Weight: 12.1oz (343g)
          Distance Between Mounting Holes Same Side: 0.83" (21mm)
          Distance Between Mounting Holes Opposite Side: 1.45" (37mm)
          Height Bottom of Mounting Tabs/Top of Cylinder Head: 3.10" (78.8mm)
          Width of Mounting Tabs: 1.8" (45mm)
          Distance from Backplate to Front Bearing: 2.6" (65.6mm)
          Distance from Center of Crankshaft to Front Bearing: 1.7" (44mm)
          Distance from end of Crankshaft to Backplate: 3.7" (95.1mm)
          Carburetor Settings,
            Needle Valve: Approximately 3 turns open from fully closed
            Throttle: Approximately 0.5mm open from factory setting with
             reducer removed
            Metering Needle: Rotate until slotted head is 0.5mm away from ball
             link body
            Mixture Control Valve: Rotate until slotted head is flush with
             carb body

                                                                   jxs 08/05/11
                                                                         ir/jxs