Tecumseh OHV11 - OHV17 User Manual

This manual covers engine models:
OHH50 - 65, OHHSK50 - 130, OHV11 - OHV17, OVM120,
OVRM40-675, OVRM120, OVXL/C120, OVXL120, OVXL125.
Other illustrated Tecumseh 2-Cycle Engine, 4-Cycle Engine and
Transmission manuals; booklets; and wall charts are available
through Tecumseh.
For complete listing write or call
CONTAINS SEARS CRAFTSMAN CROSS REFERENCE
4-CYCLE
OVERHEAD
VALVE
ENGINES
T E C H N I C I A N ' S H A N D B O O K
TECUMSEH
www.mymowerparts.com
For Discount Tecumseh Engine Parts Call 606-678-9623 or 606-561-4983

Tecumseh OHV11 - OHV17 Specifications

General

Brand	Tecumseh
Model	OHV11 - OHV17
Category	Engine
Language	English

Summary

Chapter 1 General Information

Engine Identification

Details engine model, specification, and serial numbers stamped on the unit.

Fuels

Recommendations for gasoline type, ethanol/MTBE limits, and fuel storage.

Tune-Up Procedure

Minor tune-up procedure for engine performance, covering air cleaner and oil.

Storage

Instructions for storing engines for 30 days or more, including fuel system prep.

Chapter 2 Air Cleaners

General Information

Explains the function of air cleaners and types used by Tecumseh.

Service

Service recommendations for polyurethane and paper filter elements.

Chapter 3 Carburetors and Fuel Systems

General Information

Explains float-type carburetors, fuel enrichment systems, and identification.

Carburetor Visual Identification

Guides to identifying different series of Tecumseh carburetors visually.

Testing

Procedure for testing engine startability and fuel flow.

Float Adjusting Procedure

Procedure for adjusting float height on adjustable float carburetors.

Chapter 4 Governors and Linkage

General Information

Explains the function of mechanical governors in maintaining engine RPM.

Troubleshooting

Troubleshooting engine problems related to governor function.

Service

Procedure for adjusting the governor and servicing governor gears/shafts.

Chapter 5 Recoil Starters

General Information

Explains how recoil starters engage the flywheel to turn the engine.

Service

General service instructions for recoil starter problems and rope replacement.

Chapter 6 Electrical Systems

General Information

Explains the main elements of the electrical system: battery, starting, charging.

Testing Procedure

Procedures for testing starting and charging circuits.

Low Oil Shutdown Switches

Testing procedures for Low Oil Shutdown (LOS) switches.

Chapter 7 Flywheel Brake Systems

General Information

Explains compliance standards for flywheel brake systems.

Operation

Describes how the flywheel brake system operates upon bail release.

Service

General service notes for the flywheel brake assembly.

Chapter 8 Ignition

General Information

Overview of solid state capacitor discharge ignition modules.

Testing Procedure

Procedures for testing the ignition system for spark and components.

Spark Plug Service

Procedures for cleaning, adjusting, and replacing spark plugs.

Chapter 9 Internal Engine and Cylinder

General Information

Covers cylinder block, head, crankshaft, camshaft, valve train, and lubrication systems.

Operation

Explains the fundamental theory of 4-cycle engine operation.

Engine Operation Problems

Flow chart for diagnosing common engine operation problems.

Pistons, Rings, and Connecting Rods

Procedures for inspecting pistons, rings, and connecting rods.

Chapter 10 Engine Specifications and Sears Craftsman Cross-Reference

Engine Specifications

Lists acceptable tolerances for engine specifications.

Chapter 11 Educational Materials and Tools

Available Technician's Handbooks

Lists available handbooks for engine diagnosis and repair.

Tools

Lists special tools and tool kits for engine servicing.