This is the O.S. 21XZ-B ABC Engine with 21J2(B) Carburetor
                    for 1/8 scale Off-Road Buggy Racing.
     ****** 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: DLC coated crankshaft with silicone filled intake passage for
            improved fuel flow
          ABC piston and liner construction "A"luminum piston fitted to a
            "B"rass cylinder liner that is "C"hrome plated
          Three port cylinder liner with special Speed version inner head and
            porting for smoother acceleration
          21J2(B) slide valve carburetor with 6, 6.5 and 7mm carb reducers
            that restrict the airflow helping to increase the amount of torque
            produced
          Black anodized crankcase with ceramic ball bearings helps reduce
            resistance and increase performance

INCLUDES: O.S. 21XZ-B ABC Off-Road Engine with 21J2(B) Carburetor, Exhaust
            Gasket, P3 Turbo Ultra Hot Glow Plug, 6, 6.5 and 7mm carb
            Reducers, Instruction Manual 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: 0.21 cu in (3.49 cc)
          Bore: 0.6" (16.3 mm)
          Stroke: 0.7" (16.8mm)
          Practical RPM: 4,000-40,000
          Power Output: 2.6 PS, 2.56 HP @ 34,000 RPM
          Weight: 12.5oz (355g)
          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: 3.4" (86.3mm)
          Width of Mounting Tabs: 1.8" (45mm)
          Distance from Backplate to Front Bearing: 2.5" (64.5mm)
          Distance from Center of Crankshaft to Front Bearing: 1.7" (44mm)
          Distance from Center of Crankshaft to Backplate: 0.81" (20.5mm)

          Carburetor Settings, NOTE carburetor is preset at factory and
            requires very small adjustments
            Needle Valve: Approximately 3.5 turns open from fully closed
            Throttle: Approximately 0.5mm open from factory setting with
             reducer removed
            Metering Needle: Rotate until slotted head is 1.5mm away from ball
             link body
            Mixture Control Valve: Rotate until slotted head is flush with
             carb body

                                                                   jxs 11/23/10
                                                                         ir/jxs