Toro 4250 User Manual

4250, 4505, 8605 AND LATER COMPLIANT MOWERS
All Lawn Boy Compliant Scamp Model Mowers
feature a Flywheel Brake system. It will stop the
blade from turning within
3 seconds after the
operator releases the bail. The engine also stops
at the same time.
Adjustments and servicing
of the Scamp self-
propelled mowers are very different from all
previous models of self-propelled mowers.
SAFETY WARNING: Before any ad-
justments or repairs are attempted,
disconnect and remove spark plug to
prevent starting.
INSTALLING CONTROL
ROD
1. Place retainer clip on clutch arm with long side
of clip on the inside of clutch arm.
2. Align hole in clip with hole in arm and assem-
ble lower end
of the control rod in hole.
3. Turn (swivel) long end of clip up and snap into
position on lower control rod as shown.
SCAMP MODELS
SERVICING AND ADJUSTMENTS
SELF-PROPELLED
SAFETY WARNING: The lower self-
propel control rod must be assembled
to clutch arm as shown. If not the self-
propel mechanism will not return to
neutral when the control lever
is
released from the engaged position.

Toro 4250 Specifications

General

Cutting Width	22 inches
Fuel Capacity	0.5 gallons
Deck Material	Steel
Self-Propelled	Yes
Engine Displacement	190cc

Summary

SCAMP MODELS SELF-PROPELLED SERVICING AND ADJUSTMENTS

INSTALLING CONTROL ROD

Procedure for correctly assembling the control rod for self-propelled operation.

DRIVE ROLLER ADJUSTMENT

SCAMP MODELS SELF-PROPELLED DRIVE BELT REPLACEMENT AND SERVICING

V BELT REMOVAL OR REPLACEMENT

Instructions for removing and replacing the V-belt on Scamp self-propelled mowers.

BUSHING AND BEARING INSTALLATIONS

SCAMP BRAKE SERVICING AND REPAIR

Flywheel Removal/Installation

Steps for removing and installing the flywheel, including brake system considerations.

Flywheel Brake System Components

Brake Pad Wear

SCAMP IGNITION CIRCUIT SWITCH TESTING AND REPLACEMENT

Ignition Circuit Switch Troubleshooting

Diagnosing and testing the ignition circuit switch for proper function.

SCAMP BLADE AND BLADE HOUSING

Blade and Blade Housing

LAWN-BOY COMPLIANT MOWER TROUBLE SHOOTING CHECK CHART

TROUBLE SHOOTING

Engine Won't Start or Hard Starting

Common causes and solutions for engine starting problems.

Ignition Circuit (“Kill") Switch

Primer System Draining