Briggs & Stratton 270962 Carburetor Service LMS Carburetor, Vertical Models 97700, 99700, 110000

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Figure 11

WARNING

Before servicing the carburetor or other fuel system components, drain all fuel from the tank and turn OFF the fuel valve (if equipped). Do not attempt to stop fuel flow by plugging the fuel hose.

NOTE: Consult the Illustrated Parts List to obtain the appropriate carburetor overhaul kit before reassembling the carburetor.

NOTE: Many early carburetors had adjustable needle valves to compensate for high altitude conditions. Later carburetors use replaceable main jets to compensate for various high altitude ranges. See the appropriate Illustrated Parts List for replacement needle valves or jets.

Carburetor Service

LMS Carburetor

Vertical Models 97700, 99700, 110000, 120000

The exact type of LMS carburetor can be identified by a number stamped on the edge of the mounting flange (A, Figure 12). These carburetors have a fixed high-speed main jet and a non-adjustable idle mixture (except on early production models), and are available in manual/ remote choke or Choke-a-Matic®versions.

Figure 12

Remove Carburetor

WARNING

Before servicing the carburetor or other fuel system components, drain all fuel from the tank and turn OFF the fuel valve (if equipped). Do not attempt to stop fuel flow by plugging the fuel hose.

1.Remove air cleaner assembly per Section 1. Discard the gasket.

2.Move clamp and disconnect fuel hose from carburetor.

3.Disconnect the Choke-a-Matic® spring, if equipped, from choke lever (A, Figure 13, Figure 14).

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