Exmark RADIUS User Manual

Maintenance
Figure52
3.Pushthewireontothesparkplug.
ServicingtheSpark
Plug-KawasakiEngine
ServiceInterval:Every100hours/Yearly
(whichevercomes
rst)—Checkthespark
plug(Kawasakiengine).
Every200hours/Every2
years(whichevercomes
rst)—Replacethespark
plug(Kawasakiengine).
Ensurethattheairgapbetweenthecenterandside
electrodesiscorrectbeforeinstallingthesparkplug.
Useasparkplugwrenchforremovingandinstalling
thesparkplugandagappingtoolorfeelergaugeto
checkandadjusttheairgap.Installanewsparkplug
ifnecessary.
ThesparkplugisRFIcompliant.Equivalentalternate
brandplugscanalsobeused.
Type:NGK
®
BPR4ESorequivalent
AirGap:0.030inch(.76mm)
1.DisengagethePTOandensuretheparkingbrake
isengaged.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Disconnectthewirefromthesparkplug.
B
A
g027478
Figure53
4.Cleanaroundthesparkplugtopreventdirtfrom
fallingintotheengineandpotentiallycausing
damage.
5.Removethesparkplugandmetalwasher.
CheckingtheSparkPlug–Kawasaki
Engine
1.Inspectthesparkplug
Note:Ifyouseelightbrownorgrayonthe
insulator,theengineisoperatingproperly.A
blackcoatingontheinsulatorusuallymeansthe
aircleanerisdirty.
Important:DoNotcleanthesparkplug.
Alwaysreplacethesparkplugwhenithasa
blackcoating,wornelectrodes,anoilylm,
orcracks.
B
A
g027479
Figure54
1.Centerelectrode
insulator
3.Airgap(nottoscale)
2.Sideelectrode
2.Checkthegapbetweenthecenterandside
electrodes.
3.Setthegapto0.030inch(.76mm).
51

Exmark RADIUS Specifications

General

Transmission	Hydrostatic
Turning Radius	Zero-turn
Engine	Kawasaki
Cutting Width	48, 52, 60 inches
Weight	805 - 895 lbs