675iS Series™ InStart®

675iS Series™ InStart®

Start effortlessly every time.

The 675iS SERIES™ InStart® lithium-ion electric starting engine combines the power and performance of petrol with reliable durable battery powered starting.

InStart® - No Priming - No Choking - No Pulling - Instant & easy starting.

Phase-Out Summer 2022 


Gross Torque (Nm)


Displacement (cc)


Fuel Tank Capacity (l)


Engine Type


InStart® Lithium-Ion Battery Technology

The world's first lawn mower engine to combine the power of petrol and the starting reliability of lithium-ion battery technology. Click the image or title to watch a video.

Optional: Reduced Footprint with Mow N'Stow®

The Mow N' Stow® Technology makes it possible to store your lawn mower upright, saving up to 70% space.

Read more on our Mow N' Stow® Innovation page >

Just Check & Add™

Never change oil ever, just check and add

S2 Starting Guarantee

Our personal starting guarantee. Your engine starts within the first two attempts - or we will repair it free of charge.


Provides simple and easy to use starting without having to prime the engine.

OHV Technology

Optimized performance that delivers longer engine life and improved fuel economy.

Splash Lubrication

Ensures adequate lubrication throughout the crankcase during normal operating conditions.

Float Feed Carburettor

Optimized fuel delivery for improved startability and superior performance.

High Oil Fill Tube

Allows for easier maintenance.

Paper Air Cleaner (Oval)

Provides improved protection against airborne debris entering the engine

Low Permeation Fuel Lines

More environmentally friendly.

Magnetron® Electronic Ignition System

Ensures maintenance-free, easy starting.

Mechanical Governor

Controls the engine speed to deliver more usable power under heavy usage.

For More Information

Visit our Glossary of Engine Terms


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Engine Technology
Single cylinder, 4-stroke, air-cooled, OHV (Overhead Valve), InStart® Technology
Model Number
Gross Torque* (Nm) @ 2'600 rpm
Displacement (cc)
Bore (mm)
Stroke (mm)
Fuel Tank Capacity (l)
Oil Capacity (l)
Dry Weight (kg)
9,3 (9,6 w/ Battery Installed)
Dimensions Length (mm)
Dimensions Width (mm)
Dimensions Height (mm)
Certified Power Rating

* Power levels are stated gross torque per SAE J1940 as rated by Briggs & Stratton.



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