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Tecumseh ECV105 Technician's Handbook page 100

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ENGINE SPECIFICATIONS STANDARD POINT IGNITION
All models have point setting of .020" (.508 mm), spark plug gap of .030" (.762 mm), valve seat angle of 46
All dimensions are in inches.
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* Check to detemine bore size
Notes: (A) VM & HM80 - Displacement 19.41 (318 cc) (B) VM & HM80 - Bore 3-1/8"(79.375 mm) (C) VM & HM80 Piston Dia. 3.1195/3.1205
(79.235/79.261 mm) (D) VH50, 60 .0015/.0055 (.038/.140mm) (E) VH70 .0038/.0073 (.097/.185 mm) (F) VH, HH50-70 Models .003/.031
(.762/.787 mm)
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