Shindaiwa 81645 User Manual

5

Product Description

Specifications

LE4 dry weight  

(Including attachments)...........................................1.8 lb./5.8 kg
Engine model...........................................................................S4E 
Engine type.......................................................-cycle with catalyst
Bore x stroke.............................................1. x 1.1 in./ x 8 mm

Displacement.......................................................1.5 cu. in./ .9 cc

Maximum power.......................................................1.0 HP/0.8 kW 

 

                               @ 8000 rpm (min

-1

)

Fuel/oil ratio.............................50:1 with ISO-L-EGD or JASO FC

 

                       class -cycle mixing oil*

Carburetor type...............................Walbro WYK, diaphragm-type
Fuel tank capacity..................................................... oz./670 ml
Ignition............................................................One-piece electronic, 

 

                             transistor-controlled

Specifications are subject to change without notice.

Spark plug.....................................................................NGK BPMR6A
Air cleaner type..............................................................Non-reversible 

                                                                              Foam Filter Element
Starting method ............................................................................Recoil
Stopping method ................................................................Slide switch
Transmission type ................................Automatic, centrifugal clutch 

 

                                              w/bevel gear 

EPA Emission  

Compliance Period**..........................................................Category A

** The EPA emission compliance referred to on the emission compliance label 

located on the engine, indicates the number of operating hours for which the 

engine has been shown to meet Federal emission requirements. Category 

C = 50 hours (Moderate), B = 15 hours (Intermediate) and A = 00 hours 

(Extended).

* meets or exceeds these specifications and is  

recommended for all Shindaiwa products.

IMPORTANT!

The terms “left”, “left-hand”, and “LH”; 

“right”, “right-hand”, and “RH”; “front” and 

“rear” refer to directions as viewed by the 

operator during normal operation. 

Using the accompanying illustrations as 

a guide, familiarize yourself with this unit 

and its various components. See Figure 4. 

Understanding your unit helps ensure top 

performance, long service life, and safer 

operation.

WARNING!
Do not make unauthorized 

modifications or alterations to any of 

these units or their components.

Before assembling, make sure you have all 

the components required for a complete unit:


  Engine and outer tube assembly with 

handle



  Gearcase/Debris shield assembly



  Kit containing this manual and tool kit 

for routine maintenance. Tool kits vary 

by model and may include a hex wrench, 

a spark plug/screwdriver combination 

wrench, and a scraper.

Carefully inspect all components for damage.