Toro SR4 Super Recycler Manual

The Toro SR4 Super Recycler is a high-performance 4-cycle walk-behind lawn mower featuring the innovative Super Recycler cutting system, Personal Pace self-propelled drive, electric start capability, and a durable 163cc Toro engine. This manual covers safety instructions, assembly, operation, maintenance, troubleshooting, and storage procedures to ensure optimal performance and longevity of your mower.

1. Features at a Glance 2. Safety Information 3. Assembly Instructions 4. Specifications 5. Controls and Operation 6. Starting & Stopping 7. Cutting & Mulching 8. Maintenance Schedule 9. Storage 10. Warranty Information 11. Troubleshooting

Features at a Glance

Key components: 163cc 4-cycle Toro engine, Super Recycler cutting deck, Personal Pace drive system, electric start with battery, rear bagger, mulching capability, height adjustment lever, and control panel.

Feature	Description
Super Recycler System	Advanced mulching technology cuts clippings finely for natural lawn feeding
Personal Pace Drive	Self-propelled system automatically matches speed to your walking pace
Electric Start	Push-button starting with included battery (pull-start backup)
163cc Toro Engine	4-cycle engine with cast iron sleeve for durability
Cutting Width	22-inch cutting path
Height Adjustment	Single-lever adjustment for all four wheels (1-4 inches)
Rear Bagger	2.8 bushel capacity for grass collection
Blade Brake Clutch	Stops blade while engine runs for safety
Folding Handle	For compact storage
Warranty	Limited residential warranty

Safety Information

Read all instructions before operating. Wear appropriate safety gear.

Clear mowing area of debris, stones, toys, and other objects.
Never operate without proper guards, plates, or grass bag.
Do not mow when grass is wet or during rain.
Keep hands and feet away from rotating parts.
Stop engine and disconnect spark plug before maintenance.

WARNING! Gasoline is flammable; store in approved container away from heat/sparks. Never add fuel while engine is running or hot.

Assembly Instructions

Unpack and inspect all parts. Assembly requires basic tools (included).

Attach handle: Secure upper and lower handle sections with provided bolts.
Install battery: For electric start models, connect battery to wiring harness.
Attach grass bag: Hook bag onto rear deck brackets.
Install side discharge chute (if not mulching): Secure with provided hardware.
Check oil level: Add SAE 30 detergent oil if needed (check dipstick).
Add gasoline: Use fresh unleaded gasoline (87 octane minimum).

CAUTION! Ensure all fasteners are tight before operation. Keep assembly area clear of children and pets.

Specifications

Engine: Toro 163cc 4-cycle OHV
Starting System: Electric with battery backup (pull-start)
Cutting Width: 22 inches
Cutting Heights: 1 to 4 inches (single lever adjustment)
Drive System: Personal Pace self-propelled (front-wheel drive)
Bag Capacity: 2.8 bushels
Fuel Tank: 0.95 gallons
Oil Capacity: 20 oz (SAE 30 detergent)
Weight: 85 lbs (approx.)
Warranty: 3-year limited (residential use)

Controls and Operation

Control Panel: Electric start button, throttle control, choke, blade control lever, Personal Pace control bar, height adjustment lever.

Personal Pace Operation: Squeeze control bar to engage drive; release to stop. Speed adjusts automatically to your walking pace.

Height Adjustment: Move lever to desired setting (1-4). Lower numbers for shorter grass, higher for taller.

Blade Control: Must be engaged for blade to rotate. Release to stop blade while engine runs (Blade Brake Clutch).

Starting & Stopping

Electric Start (if equipped): Insert key, set throttle to FAST, engage blade control, push start button.

Pull Start: Set throttle to FAST, choke if cold, pull starter handle.
Warm Start: No choke needed; throttle at FAST.
Stopping: Release blade control, set throttle to STOP, remove key.

Tip: For electric start, ensure battery is charged. Charge before first use and periodically during season.

Cutting & Mulching

Super Recycler System: Mulches clippings into fine particles that decompose quickly, returning nutrients to lawn.

For mulching: Install mulch plug (included) to close discharge opening.
For bagging: Attach grass bag; ensure chute is clear.
For side discharge: Install discharge chute (optional accessory).
Mowing pattern: Overlap each pass by 2-3 inches for even cut.
Cutting height: Never remove more than 1/3 of grass height in single mowing.
Sharp blade: Ensure blade is sharp for optimal mulching and cutting.

WARNING! Always stop engine and wait for blade to stop before changing cutting mode or clearing chute.

Maintenance Schedule

Regular maintenance ensures performance and extends mower life.

Maintenance	Frequency
Check oil level	Before each use
Clean underside of deck	After each use
Check blade sharpness/balance	Every 25 hours
Replace air filter	Every season or 50 hours
Change oil	First 5 hours, then every 50 hours
Replace spark plug	Every 100 hours
Lubricate drive system	Every 25 hours
Check tire pressure	Monthly
Charge battery (electric start)	Every 30 days during season

Storage

Prepare mower for off-season storage to prevent damage.

Drain or stabilize fuel: Run engine dry or add fuel stabilizer.
Change oil: Replace with fresh oil before storage.
Clean thoroughly: Remove grass/debris from deck, wheels, engine.
Remove battery: For electric start models, remove and store battery indoors.
Store in dry location: Cover mower and store in shed or garage.
Sharpen blade: Sharpen before storage so mower is ready for next season.

CAUTION! Never store mower with fuel in tank in enclosed area near open flame or pilot lights.

Warranty Information

Toro Limited Warranty: 3-year residential warranty on entire mower. Proof of purchase required. Warranty covers defects in materials/workmanship. Does not cover normal wear, misuse, neglect, or commercial use. For warranty service, contact authorized Toro service dealer. Keep this manual and receipt for warranty claims. For more information, visit www.toro.com or call 1-888-384-9939.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	Fuel, spark, battery	Check fuel level; ensure fresh gas; check spark plug; charge battery.
Poor cutting performance	Dull blade, engine speed	Sharpen/replace blade; set throttle to FAST; clean deck underside.
Uneven cut	Wheel height mismatch	Check height adjustment; level deck; check tire pressure.
Mower doesn't self-propel	Drive cable, debris	Check drive cable adjustment; clear debris from drive mechanism.
Excessive vibration	Bent blade, loose parts	Stop engine immediately; check blade for damage; tighten all fasteners.
Grass clumping	Wet grass, cutting too low	Mow when grass is dry; raise cutting height; use bagger for wet grass.
Electric start not working	Dead battery, connections	Charge battery; check connections; ensure key is inserted properly.

Service: For repairs not covered in manual, contact authorized Toro dealer or 1-888-384-9939.

Parts: Use only genuine Toro replacement parts for optimal performance and safety.