Description
Briggs & Stratton 125P02-0012-F1 Vertical Engine – 190cc | 6.75 ft-lbs Gross Torque | 7/8″ Shaft | ReadyStart Technology
Compact, Reliable, and Built for Mowers – The Power You Can Depend On.
The Briggs & Stratton 125P02-0012-F1 vertical shaft engine delivers compact power and dependable performance for walk-behind mowers and other light-duty lawn applications. Featuring ReadyStart® technology for no-prime, no-choke starting, this 190cc engine offers the ideal combination of user-friendly convenience, durability, and fuel efficiency.
With 6.75 ft-lbs of gross torque, a 7/8-inch diameter crankshaft, and a lightweight design, this engine fits a wide range of residential mowers. Backed by Briggs & Stratton’s 2-year warranty and designed with a durable cast iron cylinder sleeve, this engine is built to keep your mower running season after season.
🔧 Specifications
| Feature | Specification |
|---|---|
| Brand | Briggs & Stratton |
| Model Number | 125P02-0012-F1 |
| Engine Series | 875 Professional Series® |
| Displacement | 190cc |
| Gross Torque | 6.75 ft-lbs (per SAE J1940) |
| Crankshaft Orientation | Vertical |
| Crankshaft Size | 7/8” Diameter x 3-5/32” Length |
| Crankshaft Keyway | 3/16” Straight Key |
| Crankshaft End Tapped | 3/8-24 |
| Starting System | Recoil (ReadyStart® – No Prime / No Choke) |
| Air Filter Type | Foam |
| Oil Capacity | 15 oz. |
| Lubrication System | Splash |
| Fuel System | Gasoline Carbureted |
| Ignition System | Magnetron® Electronic Ignition |
| Cylinder Bore | Cast Iron Sleeve |
| Governor System | Mechanical |
| Muffler | Included |
| Weight | Approx. 33 lbs |
| Warranty | 2-Year Consumer Warranty |
⭐ Key Features
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✅ ReadyStart® Technology – Hassle-free, no-prime, no-choke starting
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✅ 6.75 ft-lbs Gross Torque – Power optimized for push and walk-behind mowers
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✅ Compact & Lightweight – Easy to install, fits most residential mower platforms
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✅ Cast Iron Sleeve – Enhanced durability and longer engine life
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✅ Splash Lubrication – Simple, reliable oiling system for long-term use
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✅ Magnetron® Ignition – Maintenance-free, reliable spark every time
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✅ Mechanical Governor – Maintains consistent power under varying loads
What’s Included
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Briggs & Stratton 125P02-0012-F1 Engine
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Muffler
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Owner’s Manual
Ideal Applications
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Push Lawn Mowers
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_Walk-Behind Mowers
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Residential Lawn Equipment
Shipping & Warranty Information
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Ships within 5–7 business days
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Professionally packaged for protection during transit
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Covered by Briggs & Stratton’s 2-Year Consumer Warranty
❓ Frequently Asked Questions (FAQs)
Q1: Will this engine fit my existing mower?
Check compatibility with a 7/8” x 3-5/32” vertical shaft and 3/16” keyway. This is a common size for walk-behind mowers.
Q2: Does this engine require priming or choking to start?
No. This model features ReadyStart® technology for easy starting without priming or choking.
Q3: Is this engine suitable for commercial use?
No, this engine is designed for residential, light-duty applications.
Q4: What type of oil does it use?
Briggs & Stratton recommends SAE 30 oil for most mowing applications.
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