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Tecumseh ECV105 Technician's Handbook page 105

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SOLID STATE AND EXTERNAL IGNITION (Cont.)
All solid state models have air gap settings of .0125" (.3175 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) VH, HH50-70 models .003/.031 (.762/.787 mm) (B) VH, HH50-60 .0015/.005 (.038/.140 mm) (C) VH, HH70 .0038/.0073 (.097/.185
mm) (D) VH, HH50-60 2.6235/2.6205 (66.637/66.561 mm) (E) VH, HH70 2.7462/2.7437 (69.754/69.69 mm) (F) After Serial Number 9274
1.3775/1.3780 (34.989/35.001 mm) (G) TVM 220 Ultra Balance .002/.042 (.153/2.184 mm)
** Check to determine crankshaft bearing diameters
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101
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