User manual

G
22 CARSON Virus 4.0 Chassis Nitro 500204031 / 500202016
Care and Maintenance
Failuretofollowbreak-inprocedureand/ordamagecausedbyimpro-
pertuningwillvoidyourenginewarranty.
Therearetwowaysto“temp”yourengine.One,purchaseatempera-
ture gauge. The second cheaper, but less accurate method is the “Spit
Test”. Wipe a little bit of saliva on the engine head and it should burn
offin3-4seconds(theboilingpointofwaternormallyis100°C).Ifit
evaporatesimmediately,chancesaretheengineisrunningtoohot.
Theenginewillrunbestandbeeasiertorestartifrunaround100-125
°C.Dependingonyourweatherconditions,airdensity,andhumidity,
yourcarburettorsettingswillbechangingwhereveryoudecideto
run.Makingadjustmentsinsmallincrementsisthebestwaytomake
sureyourenginelastsalongtime.Overheatingiscausedbyrunning
theenginetoolean,ortoomuchstressontheenginecreatedbythe
environment. Extreme overheating will result in internal failure of
engine parts.
Therearemanyonlineresourcesthatwillhelpyouwithengine
tuning. 3,5 ccm engines are designed to last a long time, and with
propermaintanceandtuning,youcandrivethemodelforhoursata
time.
After Use
Whenyouhavefinishedrunningyourcar,therearetwooptionsto
shuttheenginedown.Thefirstmethodistoplaceyourthumbover
theexhaustoutlet(Weargloves).Makesureyourengineisnormal
idle, preferable with the brake activated.
Thesecondmethodistopinchofftheairsupplyfromtheengine.Do
notpinchthefuelline,asthismaycausetheenginetooverheat!
Tryandletalltheremainingfuelrunthroughtheengine,emptying
the fuel tank. The engine will idle high while the tank is emptied, so
theabovetwostepsmaynotbenecessary.
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Thenapplyafter-runoilthroughthecarburettor,andpullthepull-
start a few times to get it through the engine. This is recommended if
youplanonstoringthecarformorethanaday.Methanolevaporates
inwaterandcancauseinternalcorrosiontoengineparts.Itisalways
a good idea to check all the screws, nuts, and bolts before and after
each period of racing.
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Keeping the car clean will also make it more fun to work on. This can
beachievedwithalargeheavy-dutypaintbrush,orcompressedair.
Alwaystestthetransmitterandreceiverbatteriesbeforestartingthe
engine.
Racer Tip:
Weargloveswhenworkingonyourhotcar!