By Lucy FitzgeraldUpdated November 2026
When a Toro electric start lawn mower won’t start, the cause is often a worn starter solenoid, a failing push button, or a weak starter motor, and replacing the right part is usually the fix. This guide compares seven replacement parts sold on Amazon US for Toro electric start mowers and zero-turn models. Selection criteria were specification fit with common Toro and Exmark models, part type (solenoid, switch, or motor), build quality cues such as copper contacts and OEM labeling, and patterns in owner feedback about compatibility and fit.
Our top picks at a glance
- 1
TOP CHOICEBest overallToro Part # 133-8144 60 Volt Start Push ButtonView on Amazon - 2
TOP CHOICEBest for OEM replacementGENUINE OEM TORO PARTS Solenoid 117-1197View on Amazon - 3
TOP CHOICEBest for zero-turn modelsIgnition Switch Starter Solenoid Kit for Toro Zero Turn Lawn MowerView on Amazon - 4
Best for Timecutter owners117-1197 Starter Solenoid for Toro Timecutter ss5000 z4200 ss4225 ss4235View on Amazon - 5
Best for copper-contact fitReplaces 784-1221-210 104-3189 74629 E513075 Starter Solenoid 12V 4-TerminalView on Amazon - 6
Best for engine starter motorHZ OEM 127-9209 Electric Starter Motor 133-1564 133-9828View on Amazon - 7
Best budget pickTimecutter ss4225 ss5000 75755 75742 Starter Motor 136-7880View on Amazon
Our Top Picks
| Product | Best for | Key feature |
|---|---|---|
| Toro Part # 133-8144 60 Volt Start Push Button | Push-button start failures | Direct start-circuit replacement |
| Ignition Switch Starter Solenoid Kit for Toro Zero Turn | Zero-turn no-crank symptoms | Kit with multiple cross-referenced numbers |
| 117-1197 Starter Solenoid for Toro Timecutter ss5000 | Timecutter and Exmark owners | Cross-reference list in the title |
| GENUINE OEM TORO PARTS Solenoid 117-1197 | Owners who want original parts | Toro-branded OEM part |
| Replaces 784-1221-210 104-3189 Starter Solenoid | Owners wanting copper contacts | Copper contacts, 4-terminal 12V design |
| HZ OEM 127-9209 Electric Starter Motor | Engine cranks slowly or not at all | Starter motor for V-twin Kohler-style engines listed by Toro |
| Timecutter ss4225 ss5000 136-7880 Starter Motor | Budget-minded repairs | Motor fits listed Timecutter engine series |
Toro Part # 133-8144 60 Volt Start Push Button
Toro Part # 133-8144 60 Volt Start Push Button
Best for: Push-button start failures on Toro electric start equipment.
This is a good first replacement to consider if the mower clicks or does nothing when you press the start button, and the battery and fuse check out. It suits owners who want a Toro part number rather than an aftermarket substitute.
Key specs
- Part number 133-8144
- Designed for 60-volt start systems
- Push-button start switch replacement
Pros
- Matches the Toro part number directly
- Quick swap with basic hand tools
- Targets a common failure point before the starter is replaced
Cons
- Does not help if the solenoid or motor is the actual fault
- Confirm voltage match to your model before ordering
Bottom line: A sensible pick for owners whose start button is the suspected weak point.
Ignition Switch Starter Solenoid Kit for Toro Zero Turn Lawn Mower
Ignition Switch Starter Solenoid Kit for Toro Zero Turn Lawn Mower, Replace 117-2221 137-4100 117-1197, Fit Exmark Lazer Z Titan TimeCutter Quest Z Master, Toro Lawn Mower Parts
Best for: Zero-turn mowers that click or fail to crank, with the ignition switch and solenoid both in question.
Kits bundling an ignition switch and solenoid can save a second order when the switch and solenoid are both aging. Owners of Toro zero-turn models and some Exmark units often look for this type of kit.
Key specs
- Ignition switch and starter solenoid kit
- Lists cross-references including 117-2221, 137-4100 and 117-1197
- Intended for Toro zero-turn and Exmark-compatible models
Pros
- Covers two common failure points in one order
- Multiple cross-reference numbers help with fitment checks
- Useful when the switch position is inconsistent
Cons
- Installing parts you may not need adds time and cost to the repair
- Check your deck and model number against the listed fits carefully
Bottom line: Best for zero-turn owners who suspect both the switch and solenoid.
117-1197 Starter Solenoid for Toro Timecutter ss5000 z4200 ss4225 ss4235
117-1197 Starter Solenoid for Toro Timecutter ss5000 z4200 ss4225 ss4235 Exmark Zero Turn Lawn Mower, Replace Part #784-1221-210 104-3189 E513075 1-513075 212655 28-4210 47-1910
Best for: Timecutter and Exmark zero-turn owners who hear a single click when starting.
A single click with the engine not turning over often points to the starter solenoid. This listing names several Timecutter and Exmark models along with alternate part numbers, which helps owners match an existing part.
Key specs
- Part number 117-1197
- Lists alternate numbers including 784-1221-210 and 104-3189
- Fits listed Timecutter and Exmark zero-turn models
Pros
- Cross-reference list supports fitment checks
- Targets the most common single-click symptom
- Lists several compatible series
Cons
- Aftermarket fitment can vary, so compare terminal layout against the old part
- Does not address a dead battery or bad cable connections
Bottom line: A solid choice for Timecutter owners with a clicking starter.
GENUINE OEM TORO PARTS Solenoid 117-1197
GENUINE OEM TORO PARTS – SOLENOID 117-1197
Best for: Owners who want an original Toro-branded solenoid instead of an aftermarket part.
If warranty status or long-term reliability matters more than the lowest-cost option, an OEM solenoid is the conservative choice. It matches the part number most Toro manuals list for this solenoid.
Key specs
- Toro OEM part number 117-1197
- Designed as a direct replacement solenoid
Pros
- Original Toro manufacturing
- Straightforward match to the part number in the manual
- Lower fitment uncertainty than many aftermarket listings
Cons
- Usually carries a higher price than aftermarket alternatives
- Still requires a correct battery and cable check
Bottom line: The safest pick for owners who want OEM parts on a Toro machine.
Replaces 784-1221-210 104-3189 74629 E513075 Starter Solenoid 12V 4-Terminal
Replaces 784-1221-210 104-3189 74629 E513075, fits SS5000 Z4200 SS4225 SS4235 zero turn mowers, copper contacts, direct fit 117-1197 Starter Solenoid 12V 4-Terminal for Toro Timecutter
Best for: Owners who want a 12-volt, four-terminal solenoid with copper contacts.
Copper contacts are a common upgrade for solenoids that burn or pit over time. This listing names several legacy part numbers, making it useful for owners who are working from an old part number.
Key specs
- 12-volt, 4-terminal design
- Copper contacts
- Lists replacement numbers 784-1221-210, 104-3189, 74629 and E513075
Pros
- Copper contacts may resist pitting
- Multiple legacy numbers aid matching
- Direct-fit description for listed series
Cons
- Aftermarket build quality varies between sellers
- Verify terminal count and layout before installing
Bottom line: A practical choice for owners replacing a worn solenoid with copper-contact parts.
HZ OEM 127-9209 Electric Starter Motor 133-1564 133-9828
HZ OEM 127-9209 Electric Starter Motor 133-1564 133-9828 for Toro Emark 22HP, 22.5HP, 24HP, 24.5HP 25.5HP 26HP V-Twin Engines Starter Motor 136-7880 for Toro EXmark Timecutter Riding Mower 708cc Engin
Best for: Engines that crank slowly, grind, or do not turn over when the solenoid clicks normally.
When the solenoid works but the engine barely cranks, the starter motor is a likely suspect. This listing is aimed at V-twin engines in the 22 to 26 horsepower range that Toro lists in its riding mower lineup.
Key specs
- Electric starter motor
- Lists part numbers 127-9209, 133-1564 and 133-9828
- Described for V-twin engines in the 22 to 26 horsepower range
Pros
- Addresses a failure the solenoid cannot fix
- Multiple cross-reference numbers
- Targets common V-twin applications
Cons
- Motor replacement takes more time than a solenoid swap
- Confirm engine model and horsepower before buying
Bottom line: The right pick when the solenoid is good but the engine barely turns over.
Timecutter ss4225 ss5000 75755 75742 Starter Motor 136-7880
Timecutter ss4225 ss5000 75755 75742 75754, Titan 48'' 52'' 60'' HD Z Master Quest Radius E-Series S-Series 136-7880 Starter Motor for Toro Timecutter 2P77F Engines
Best for: Budget-minded repairs on Timecutter and Titan-series mowers with a weak starter.
This motor is listed for a range of Timecutter and Toro Z Master series models. It is a reasonable option for owners who have confirmed the starter motor is the problem and want to keep the repair simple.
Key specs
- Starter motor 136-7880
- Listed for Timecutter ss4225 and ss5000 models
- Also lists Titan, Z Master and Radius series
Pros
- Covers several model series
- Useful for owners who have verified the motor fault
- Straightforward replacement for matching engines
Cons
- Aftermarket motors can vary in durability
- Requires a solenoid and battery check first to avoid unnecessary parts
Bottom line: A budget-friendly motor for Timecutter owners who have confirmed the starter is failing.
Buying Guide
Confirm the symptom before buying
A single click usually points to the solenoid or a weak battery. A whirring or grinding sound with no crank points to the starter motor or its drive. No sound at all often points to the switch, a fuse, or a dead battery. Matching the symptom to the part saves money and time.
Good picks for this: 117-1197 Starter Solenoid for Toro Timecutter; Toro Part # 133-8144 60 Volt Start Push Button
Check part numbers and cross-references
Toro manuals and the old part’s stamping list the official number. Many aftermarket parts list several legacy numbers, such as 784-1221-210 or 104-3189. Compare every number in the listing to the one on your old part.
Good picks for this: Replaces 784-1221-210 104-3189 Starter Solenoid; Ignition Switch Starter Solenoid Kit
Match voltage and terminal layout
Most of these solenoids and switches are 12-volt or 60-volt parts. Count the terminals on the old part before ordering. A four-terminal solenoid will not seat correctly in a two-terminal location.
Good picks for this: GENUINE OEM TORO PARTS Solenoid 117-1197; Replaces 784-1221-210 Starter Solenoid
Decide between OEM and aftermarket
OEM parts are the safest match for fit and warranty considerations. Aftermarket parts often cost less, but build quality varies by seller. Look for copper contacts on solenoids and read owner feedback about fitment problems.
Good picks for this: GENUINE OEM TORO PARTS Solenoid 117-1197; Replaces 784-1221-210 Starter Solenoid
Diagnose the starter motor separately
If the solenoid clicks normally but the engine barely turns, test the battery under load first. Then check the starter motor and its mounting bolts. Replacing a motor without checking the battery is a common and avoidable mistake.
Good picks for this: HZ OEM 127-9209 Electric Starter Motor; Timecutter ss4225 ss5000 136-7880 Starter Motor
Check your model and deck series
Toro uses many engine and deck configurations, including Timecutter, Titan, Z Master and Radius series. Note the model and serial number from the decal before comparing fit lists.
Good picks for this: Ignition Switch Starter Solenoid Kit for Toro Zero Turn; Timecutter ss4225 ss5000 136-7880 Starter Motor
Plan for battery and cable care
Corroded terminals and undersized cables cause no-start conditions that look like failed parts. Clean the terminals, tighten the connections, and test battery voltage before ordering. Battery safety involves some risk, so consult a qualified small-engine technician if you are unsure.
Good picks for this: Toro Part # 133-8144 60 Volt Start Push Button; 117-1197 Starter Solenoid for Toro Timecutter
For a broader look at the diagnostic sequence, see Toro Electric Start Lawn Mower Won't Start: 8 Parts and Fixes Compared (2026) and Why Won't My Toro Lawn Mower Start? 8 Causes and Fixes. If your model is a zero-turn, Toro Zero Turn Lawn Mower Won't Start: 7 Parts to Check First covers that layout specifically.
FAQ
Why does my Toro electric start mower click but not start?
A single click usually means the solenoid is engaging but the starter motor is not receiving enough current, or the battery voltage drops under load. Test the battery first, clean the terminals, and then test or replace the solenoid.
Can a dead battery cause a Toro electric start mower not to start?
Yes. A battery that is discharged or sulfated can produce a click or nothing at all. Charge the battery fully and check voltage. A healthy battery should hold a steady reading under load, but if you are unsure, a qualified technician can test it.
How do I know if the starter motor or the solenoid is bad?
If you hear a solid click and the engine does not crank, suspect the starter motor. If you hear a rapid clicking or a single click with no cranking, the solenoid or battery is more likely. Testing with a voltmeter at the solenoid terminals helps confirm which part is faulty.
Do I need an OEM part to fix a Toro electric start mower?
Not always, but OEM parts reduce fitment risk. Aftermarket parts can work well when the part number and terminal layout match. Compare every cross-reference number before you order.
Is replacing the push button a common fix?
It can be, especially when the start button is intermittent or the mower only starts after repeated presses. Confirm that the battery, fuse and wiring are good before replacing the switch.
When should I stop troubleshooting and call a professional?
If you smell burning, see melted wiring, or are uncomfortable working near a battery or high-current circuit, stop and consult a qualified small-engine technician. Battery and electrical work carries real risk.
Why does my Toro start when cold but not when hot?
Heat increases electrical resistance and can reduce battery output, so a marginal solenoid, motor or connection may fail once the engine is warm. Cleaning connections and testing the starter under warm conditions usually reveals the weak component.
Conclusion
For most Toro electric start mowers that won’t start, begin with the battery and terminals, then match the symptom to the part. A single click points toward the solenoid, a push-button failure points toward the switch, and a slow or silent crank points toward the starter motor. The Toro 133-8144 push button suits switch failures, the Toro-branded 117-1197 solenoid suits owners who prefer OEM, the copper-contact solenoid suits owners replacing a worn part, and the motors suit confirmed starter faults. Match every part number before ordering.
Sources
- Consumer safety guidance on small engine and lawn equipment use, including battery and fuel handling (cpsc.gov)
- Background on battery technology, charging and safe handling of lead-acid and lithium batteries (energy.gov)
- Workplace electrical safety principles that apply to working with batteries and high-current circuits (osha.gov)
Related reading
- Toro Lawn Mower Won't Start After Winter: 7 Fixes That Work
- Toro Lawn Mower Won't Start After Sitting: 7 Causes and Fixes
- Lawn Mower Won't Start Toro: Causes and Step-by-Step Fixes
About Lucy Fitzgerald
Lucy researches and writes buying guides and how-to articles on lawn mowers. Picks are based on product specifications, brand reputation and patterns in owner feedback, and are updated as new models come out.
