PIONEER 650:
YEAR INTRODUCED: 1964
YEAR DISCONTINUED: 1976
ENGINE DISPLACEMENT: 6.21 cu. in. (103cc)
NUMBER OF CYLINDERS: 1
CYLINDER BORE: 2.250 in. (57mm)
PISTON STROKE: 1.5625 in. (40mm)
CYLINDER TYPE: Aluminum with cast iron sleeve
INTAKE METHOD: Piston ported
Final version of this family of saw models.