Displacement: 1.98 cu in (32.4cc)
Bore: 1.50" (38.0mm)
Stroke: 1.13" (28.6mm)
Practical RPM: 1,800 - 10,000
Output: 3.0 ps /9000
RPM Weight: 30.9oz (876g) without muffler 34.9oz (992g) with muffler
Crankshaft Thread Size: 5/16-24

Break-in Carburetor Settings; Needle Valve: 2.5 - 3 turns open from fully closed
Idle Mixture: Slightly rich (45-60°) from highest RPM setting Mixture Control Valve: Rotate until slotted head is flush with carb body, then screw in 1-1/2 half turns

Distance Between Mounting Holes Same Side: 0.98" (25mm)
Distance Between Mounting Holes Opposite Side: 2.3" (58mm) Height from Crankcase Bottom to Rocker Cover: 5.7" (144mm) Height from Crankshaft Center to Rocker Cover: 4.7" (119mm) Height from Crankshaft Center to Muffler Center: 3.2" (82mm) Distance from Crankcase Center to Prop Hub: 0.27" (77mm)
Width at Mounting Tabs: 2.6" (67mm)
Width of Crankcase Below Mounting Tabs: 1.9" (48mm)
Width of Cylinder Head: 2.2" (58mm)
Distance from Carburetor to end of Crankshaft: 7" (179mm) Distance from Carburetor to Crankcase Center: 2.5" (65mm) Distance from Carburetor to Prop Hub: 5.6" (142mm)