Engine Type: 2 Stroke
Cylinders: 1
Bore/Stroke: 42/43 mm
Displacement: 59.6cc
Compression Ratio: 10:1
BHP & RPM: 4.5@7000
Number of Speeds: 3
Type of Shift: Foot
Tire Size: 2.25 x 23 in.
Tire Pressure – Front: 25 psi
Tire Pressure – Rear: 32
Brakes: Front and Rear
Ignition: 6v Magneto
Ignition Timing: Advance
BTDC: 0.039 in.
Plug Gap: 0.020 in.
Point Gap: 0.016 in.
Chain Free-Play: 0.5 in.
Seat Height: 31.5 in.
Wheel Base: 47.3 in.
Length: 78.0 in.
Width: 23.6 in.
Ground Clearence: 6.9 in.
Dry Weight: 141 lbs.
Gas Capacity: 2.25 gal.
Oil-fuel ratio: 1:25
Avg. MPG: 107 @ 33 MPH
Top Speed: 47 MPH

Note that this information was copied from an old Sears spec. sheet found here, and was updated 8.9.06 with information found here.