2025 Briggs & Stratton Riding Mower EX Series Engines EX1150
- Year 2025
- Make Briggs & Stratton
- Model Riding Mower EX Series Engines
2025 Briggs & Stratton Riding Mower EX Series Engines EX1150
EX Series Engines
Efficient and durable performance.
With more power and features, our EX Series riding mower engines give you the performance you need. The lubrication system extends engine life, and includes a standard oil filter and oil pump to push clean oil to critical components.
- Advanced Debris Management System – Helps our engines run cleaner and longer by deflecting and ejecting grass and debris, providing a longer life.
- AVS® Anti-Vibration System - Gives you a smoother ride, saving wear and tear on your engine, your equipment and you.
Features may include:
Made in the USA
- Made in the USA of US and global parts.
AVS® Anti-Vibration System
- Provides a smoother ride and more comfort.
Full Pressure Lube System
- Reduces component wear for longer engine life.
Advanced Debris Management System
- Keeps the engine clean by deflecting and ejecting grass and debris for a longer engine life.
Engine
Engine Power
11.5 ft-lbs gross Horsepower
Displacement
344 cc
Cylinder Liners
Single
Bore
3.44 in
Stroke
2.26 in
Starter
Electric Start
Lubrication
Partial Lubrication
Air Filter
Cartridge Air Cleaner with Advanced Debris Management
Fuel System
Fuel Type
Gasoline
Dimensions
Length
17.8 in
Width
15.5 in
Height
12.9 in
Capacities
Oil capacity
48 oz
Weights
Weight
66 lbs
Features
Features
Engine Configuration: Vertical Shaft | OHV Engine: true


