Genuine Tecumseh Part No's: 

Screw: 27920132, 
Spring:  29190321,

1 x Brand New Genuine Tecumseh Carburettor Idle Speed Adjustment Screw and Spring Set, 

( This is the screw that sits on top of the carburettor and is used as a stop for the throttle shaft arm. The screw is turned in or out to adjust the idle speed ), 

For Tecumseh Carburettor Part Numbers: 

23011002, 23011003, 23011004, 23025148 ( 5148 ), 23025156, 23025157, 23025158 ( 5158 ), 23088001, 23088002, 23088003, 23088004, 23088005, 23088006, 23088007, 23088009, 23088010, 23088011, 23088013, 23088014, 23088016, 23088018, 23088019, 23088022, 

For Tecumseh Europa Engines: 
Prisma E-37, E-37003H, E-37312L, 

Centura E-61, E-61005, 
Centura E-62, 
Centura E-62, E-62048, E-62052A, E-62059, 
Centura E-62, E-62133, E-62167A, E-62353, 
Centura E-67, 
Centura E-74, 
Centura E-75, 
Centura OHV E-75, E-75009, E-75010, E-75011, E-75012, 

Geotec E-25, 
Geotec G E-25, 
Geotec E-27, 
Geotec G E-26, E-27, G E-27, 
Geotec E-28, 
Geotec G E-28, E-28802, 
Geotec OHV E-68, OHV G E-68, OHV E-69, OHV G E-69, 

Futura E-71, E-71000, E-71005, 
Futura OHV E-72, E-72000, E-72005, E-72006, 
Futura OHV E-73, E-73005, E-73006, E-73015, E-73016, E-73021, E-73025, 

Synergy E-49, E-49001K, E-49002H,
Synergy E-59, E-59000H, E-59004H, E-59005H, E-59006H, 

OVRM 55 20004D, E-72000, 
OVRM 55 20004D, E-72006, 
OVRM 65 22008A, 
OVRM 65 22005A, 22007A, 
OVRM 65 22005A, E-73025, 
OVRM 65 22008C, E-73015, 
OVRM 65 22034D, E-73016, 

Spectra E-48, E-48002A, E-48007A, 
Spectra E-58, E-58011A, E-58016A, 

SBV-99020, E-72005, 

CH127, 

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