Cub Cadet 159 cc OHV User Manual

Cub Cadet 159 cc OHV

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MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019

Printed In USA

Safe Operation Practices • Set-Up • Operation • Maintenance • Troubleshooting • Warranty

WARNING

READ AND FOLLOW ALL SAFETY RULES AND INSTRUCTIONS IN THIS MANUAL

BEFORE ATTEMPTING TO OPERATE THIS MACHINE.

FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY.

OperatOr’s Manual

159 cc OHV Vertical Shaft Engine

Form No. 769-08388D

(December 10, 2013)

Questions and Answers:

M
Matthew WagnerJul 31, 2025
Why my Cub Cadet 159 cc OHV Engine fails to start?
- C
  Christopher SullivanJul 31, 2025
  If your Cub Cadet Engine fails to start, several factors could be at play. First, make sure the blade control is engaged (lawn mower only). Check that the spark plug boot is securely connected. Ensure the fuel tank isn't empty and contains fresh gasoline. If equipped, verify the fuel shut-off valve is open and the engine is properly primed. Inspect the spark plug for faults, and replace the fuel filter if there's reduced fuel flow. If the engine is flooded, wait a few minutes before attempting to restart without priming. Also, if equipped with a choke, make sure to choke the engine. Finally, for electric start models, check and replace the fuse if it's burnt.
A
amandabrownAug 16, 2025
What to do if my Cub Cadet 159 cc OHV runs erratic?
- T
  theresasmithAug 16, 2025
  If your Cub Cadet Engine runs erratically, start by checking the spark plug boot to ensure it's tightly connected. A blocked fuel filter can also cause this issue, so replace it as instructed in the Maintenance section. If your gas cap has a vent, make sure it's clear. Water or dirt in the fuel system could be another culprit; in this case, drain the fuel tank and refill it with fresh fuel. Finally, if your unit is running with the choke applied, push the choke knob in.

Cub Cadet 159 cc OHV Specifications

General

Brand	Cub Cadet
Model	159 cc OHV
Category	Engine
Language	English

Summary

Important Safe Operation Practices

Safe Handling of Gasoline

Precautions for preventing personal injury and property damage from gasoline.

Operation Safety Guidelines

Engine Modification Warning

Safety Symbols

Gasoline Flammable Warning

Symbol indicating gasoline is flammable.

Carbon Monoxide Warning

Warning about engine exhaust containing carbon monoxide.

Electrical Shock Warning

Warning about using electric starter in the rain.

Hot Surface Warning

Warning about hot engine parts like muffler.

Set-Up

Gas & Oil

Checking Oil Level

Fuel Requirements

Adding Fuel

Safe procedures for refueling the engine's fuel tank.

Operation

Pre-Operation Check

Starting the Engine

Step-by-step instructions for starting the engine.

Auto-Choke System

Starting procedure for engines with automatic choke.

Primer System

Starting procedure for engines with a primer.

Manual Choke System

Starting procedure for engines with manual choke.

Auto-Choke/Electric Start System

Starting procedure for electric start models.

Stopping Engine

Engine Maintenance

Maintenance Schedule

Table outlining required maintenance tasks and intervals.

Change Engine Oil

Procedure and schedule for replacing engine oil.

Service Air Cleaner

Cleaning or replacing the air filter element.

Replace Spark Plug

Replace Fuel Filter

Oil Change

Detailed steps for draining and refilling engine oil.

Air Filter Service

Cleaning or replacing the air filter element.

Carbon Canister Filter Service

Spark Plug Service

Procedure for inspecting, gapping, and replacing spark plugs.

Fuel Filter Service

Storage

Instructions for preparing the engine for off-season storage.

Removing From Storage

Troubleshooting

Engine Fails to start

Common causes and remedies for engine starting issues.

Engine runs erratic

Diagnosing and fixing inconsistent engine performance.

Engine overheats

Causes and solutions for engine overheating.

Occasional skips (hesitates) at high speed

Idles poorly

Engine stalls with full tank

The EZ Start Promise

FEDERAL and/or CALIFORNIA EMISSION CONTROL WARRANTY STATEMENT

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