Light Easy Advanced Power
The New Easy
The new Briggs & Stratton® EXi SERIES engine is our best ever consumer lawnmower engine. Easy to start, use and maintain it sets new standards in advanced performance and reliability.
Welcome to the future of lawnmower engines, the product of intelligent design, precision engineering, quality components and the unrivalled skill and expertise of Briggs & Stratton, the worlds leading manufacturer of lawnmower engines.
Easy to start…
NO PRIMING NO CHOKING
JUST PULL FOR POWER
INSTART® MODEL AVAILABLE
All EXi SERIES engines are supplied with our ReadyStart® System to eliminate the need to manually prime or choke the engine before starting, making your life easier.
Our EXi SERIES engines also carry our unique S2 Start Guarantee® and the peace of mind that your engine will start within two pulls, every time guaranteed. More details can be found here.
EXi SERIES engines supplied with InStart® are probably the easiest lawnmower engines to start ever made. No pull cord required InStart is a pioneering battery starting system. To see for yourself just how easy they are visit our InStart website.
Easy to maintain…
NO NEED FOR OIL CHANGE
EASY FILL FUEL NECK
TOOL-LESS BASIC MAINTENANCE
Our EXi SERIES engines NEVER need an oil change, you just fill once then check the oil level and top up as required, what could be easier than that?*
*Conditions apply, visit www.exiengine.com for details.
All EXi SERIES engines use four stroke oil and we recommend you use genuine Briggs & Stratton four stroke oil for maximum performance and reliability.
EXi SERIES engines have been intelligently designed so basic maintenance such as replacing air filters can be carried out without the need for any tools.
Easy to use…
Less vibration
EXi SERIES engines have been precision engineered to reduce engine vibration and increase your comfort whilst delivering more power and market leading torque to weight ratios.
Lightweight
Our EXi SERIES engines have been designed and engineered to be the lightest engines in their class to help you more easily manoeuvre and store your lawnmower at home.
Improved sound
All EXi SERIES engines have been acoustically engineered to increase your comfort when the lawnmower is in use.
The key benefits
explained…
1.
Easy starting with ReadyStart®
– no need to prime or choke the engine before starting, just pull for power.
2.
Tool-less paper air filter
– for easy maintenance.
3.
Hassle free fuel fill
– easy access fuel neck and easy use fuel cap.
4.
No oil change needed
– one fill, then check and add for life of engine.
675iS-SERIES™
INSTART®
675EXi SERIES™
650EXi SERIES™
Engine typeSingle cylinder, 4-stroke, air cooled, OHV (Overhead Valve)Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve), InStart® Technology
Model Number103M104M104M
Gross Torque (Nm)@ 2’600 rpm9,15*9,8*9,8*
Displacement (cc)163163163
CylinderAluminiumAluminiumAluminium
Bore & Stroke (mm)68,3 x 44,568,3 x 44,568,3 x 44,5
Fuel tank capacity (l)1,01,01,0
Oil capacity (l)0,470,470,47
Dry weight (kg)8,58,59,3 (9,6 with battery installed)
Dimensions L x W x H (mm)349 x 314 x 253349 x 314 x 253349 x 314 x 253
FeaturesMechanical Governor, ReadyStart®, S2 Start Guarantee®, Paper Air Filter, Super Lo-Tone™ Muffler, High Oil FillMechanical Governor, ReadyStart®, S2 Start Guarantee®, Paper Air Filter, Super Lo-Tone™ Muffler, High Oil FillMechanical Governor, InStart® Technology, ReadyStart®, S2 Start Guarantee®, Paper Air Filter, Super Lo-Tone™ Muffler, High Oil Fill
Fuel Consumption
in Litres per Hour**
Load: Full | 75% | 50% | 25%Load: Full | 75% | 50% | 25%Load: Full | 75% | 50% | 25%
Litres: 1,35 | 1,08 | 0,85 | 0,68Litres: 1,42 | 1,17 | 0,93 | 0,71Litres: 1,42 | 1,17 | 0,93 | 0,71
* Power levels are stated gross torque per SAE J1940 as rated by Briggs & Stratton. | **(Load @ 2’600 rpm). Fuel consumption is depending on engine configuration, application and operating conditions.
More Information
More Information
More Information

Briggs & Stratton…
over 100 years of innovation
Briggs & Stratton
Corporation
Hundreds of millions of engines strong, Briggs & Stratton is the world’s largest producer of petrol engines for lawn mowers and other equipment. We support 1000’s of dealers and retailers across Europe. For more information visit www.briggsandstratton.com