Small Engine Specs

Specifications for small engines used on a variety of outdoor power equipment

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Tecumseh Ignition Timing Dimensions

Standard point ignition: points and ignition coil under flywheel. Solid state and external ignition: Ignition coil outside flywheel, points ( if present ) under flywheel. Solid state: Solid state ignition coil outside flywheel ( no points ).

Engine Type Ignition Type Model Series Timing Dimension ( in. / mm )
4-stroke L-head STANDARD POINT IGNITION LAV25, LAV30, TVS75 ( 8/1987 & earlier ) 0.065 / 1.651
4-stroke L-head STANDARD POINT IGNITION H25, H30 ( 1982 & earlier ) 0.065 / 1.651
4-stroke L-head STANDARD POINT IGNITION H30 ( 1983 Serial No. ) 0.035 / .889
4-stroke L-head STANDARD POINT IGNITION LAV35, H35 ( 1982 & earlier ) 0.065 / 1.651
4-stroke L-head STANDARD POINT IGNITION H35 ( 1983 Serial No.) 0.035 / .889
4-stroke L-head STANDARD POINT IGNITION ECV100 0.035 / .889
4-stroke L-head STANDARD POINT IGNITION TNT100 0.035 / .889
4-stroke L-head STANDARD POINT IGNITION V40-V40B, VH40, H40, HH40 0.050 / 1.27
4-stroke L-head STANDARD POINT IGNITION LAV40, TVS105, HS40, TVXL105 0.035 / .889
4-stroke L-head STANDARD POINT IGNITION ECV105 0.035 / .889
4-stroke L-head STANDARD POINT IGNITION ECV110 0.035 / .889
4-stroke L-head STANDARD POINT IGNITION LAV50, TVS120, HS50 0.035 / .889
4-stroke L-head STANDARD POINT IGNITION TNT 120, ECV120 0.035 / .889
4-stroke L-head STANDARD POINT IGNITION V50, VH50, TVM125, H50, HH50 0.080 / 2.032
4-stroke L-head STANDARD POINT IGNITION V60, VH60, TVM140, H60, HH60 0.080 / 2.032
4-stroke L-head STANDARD POINT IGNITION V70, VH70, VM70, H70, HH70 0.080 / 2.032
4-stroke L-head STANDARD POINT IGNITION TVM170, HM70 0.090 / 2.286
4-stroke L-head STANDARD POINT IGNITION V80, VM80, H70, HM80 0.090 / 2.286
4-stroke L-head STANDARD POINT IGNITION VM80, TVM195, HM80, HHM80 0.090 / 2.286
4-stroke L-head STANDARD POINT IGNITION VM100, HM100 0.090 / 2.286
4-stroke L-head STANDARD POINT IGNITION TVM220, HM100 0.090 / 2.286
4-stroke L-head SOLID STATE AND EXTERNAL IGNITION TVS75 ( 8 / 87 & earlier ) -
4-stroke L-head SOLID STATE AND EXTERNAL IGNITION TVS90 -
4-stroke L-head SOLID STATE AND EXTERNAL IGNITION H35 -
4-stroke L-head SOLID STATE AND EXTERNAL IGNITION V40, TVS105, HS40 -
4-stroke L-head SOLID STATE AND EXTERNAL IGNITION TVS100, ECV100, TNT100 -
4-stroke L-head SOLID STATE AND EXTERNAL IGNITION TVS/ TVXL115 57000 Series Only -
4-stroke L-head SOLID STATE AND EXTERNAL IGNITION LEV115, TVS105 56000 Series -
4-stroke L-head SOLID STATE AND EXTERNAL IGNITION TVS/TVXL 115, 57000 A & later -
4-stroke L-head SOLID STATE AND EXTERNAL IGNITION TVS120 J & later -
4-stroke L-head SOLID STATE AND EXTERNAL IGNITION HS50 H & later -
4-stroke L-head SOLID STATE AND EXTERNAL IGNITION HSSK N & later -
4-stroke L-head SOLID STATE AND EXTERNAL IGNITION LAV50, TVS120 -
4-stroke L-head SOLID STATE AND EXTERNAL IGNITION HS50 G & earlier -
4-stroke L-head SOLID STATE AND EXTERNAL IGNITION HSSK50 M & earlier -
4-stroke L-head SOLID STATE AND EXTERNAL IGNITION VH50, TVM125, H50, HH50 -
4-stroke L-head SOLID STATE AND EXTERNAL IGNITION LEV80 -
4-stroke L-head SOLID STATE AND EXTERNAL IGNITION LEV100 -
4-stroke L-head SOLID STATE AND EXTERNAL IGNITION LEV115 -
4-stroke L-head SOLID STATE AND EXTERNAL IGNITION LEV120 -
4-stroke L-head SOLID STATE AND EXTERNAL IGNITION HSK60, VH60, TVM140, H60, HH60 -
4-stroke L-head SOLID STATE AND EXTERNAL IGNITION V70, VH70,H70, HSK70, HH70, TVM170 (E) MODEL -
4-stroke L-head SOLID STATE AND EXTERNAL IGNITION HM70 (Models ending in C) -
4-stroke L-head SOLID STATE AND EXTERNAL IGNITION HM70 (Models ending in D) -
4-stroke L-head SOLID STATE AND EXTERNAL IGNITION TVM170 Models ( F & UP ), HM70 Models (E & up) -
4-stroke L-head SOLID STATE AND EXTERNAL IGNITION HMSK80, VM80, TVM195 (A-K), HM80 -
4-stroke L-head SOLID STATE AND EXTERNAL IGNITION HM80, TVM195 (L & up), TVXL195 -
4-stroke L-head SOLID STATE AND EXTERNAL IGNITION TVM220 (A-F), HM100 -
4-stroke L-head SOLID STATE AND EXTERNAL IGNITION HMSK100, TVM220 (G & up), TVXL220, HM100 -
4-stroke OHV SOLID STATE OVRM40 -
4-stroke OHV SOLID STATE OVRM50-6.75, OVRM105 -
4-stroke OHV SOLID STATE OVRM120 -
4-stroke OHV SOLID STATE OHH50,OHSK50 -
4-stroke OHV SOLID STATE OHH55 - 70,OHSK55 - 70 -
4-stroke OHV SOLID STATE OHSK80 - 110 -
4-stroke OHV SOLID STATE OHM, OHSK, OVM, OVXL120,130, & OHV11-13 -
4-stroke OHV SOLID STATE OHV13.5 - 17 -