Construction

CITPsensor

~STPsensor

@STYAcover

:4)STYAmotoryoke

_~Gasket

_{i·STYAleadwireconnector}

1STYadjustingscrew

§Locknut

_{~STYbalanceadjustingscrew}

_{19.Throttlestopscrew}

^{IDFastidlecam}

·~Fastidleadjustingscrew

'WThrottlecabledrum

·~Fueldeliverypipe

·~Spacer

_N:O-ring

11•Dustseal

'l]lFuelinjector

§Cushionseal

_.....

~4N·m

^\if®

(0.4kgf·m,3.0lb-ft)

Ift.l.@~

_~

_~4N·m

~SN·m

(0.5kgf·m,3.7lb-ft)

(j])

(0.4kgf·m,3.0lb-ft)

~_e

AIRCLEANERBOXANDTHROTTLEBODYREMOVAL

AIRCLEANERBOX

•Liftandsupportthefueltankwithitspropstay.(c:::74-52)

•DisconnecttheIATsensorcoupler".['andPAIRhose\Zl.

•RemovetheIAPsensor@alongwiththevacuumhose@).

•Disconnectthecrankcasebreatherhose®·

•Loosenthethrottlebodyclampscrews.

•Removetheaircleanerboxmountingbolt.

•Removetheaircleanerbox.

THROTTLEBODY

•Disconnectthethrottlecablesfromtheirdrum.

•Disconnectthefastidlecablefromitscam.

ACAUTION

Afterdisconnectingthethrottlecables,donotsnapthethrottlevalvefromfullopentofullclose.Itmaycausedamagetothethrottlevalveandthrottlebody.

•Placearagunderthefuelfeedhoseanddisconnectthefuelfeedhosefromthefueltank.

_....

•DisconnectthevacuumhoseG)fromthePAIRvalve.

•Disconnectthefuelinjectorleadwirecoupler(2).

•Loosenthethrottlebodyclampscrewsattheintakepipeside.

_{•Removethethrottlebodyassembly.}

./

THROTTLEBODYDISASSEMBLY

•Disconnecttherespectivevaccumhosesfromeachthrottlebody.

•Removetheleadwireclamps.

•DisconnecttheTPsensorleadwirecoupler1),STPsensorleadwirecoupler(2),STYAmotorleadwirecoupler'~andfuelinjectorleadwirecouplers®·

•Removethefueldeliverypipeassembly@byremovingitsmountingscrews.

•Removethefuelinjectors.

•Separatethefourthrottlebodiesrespectivelybyremovingtheirconnectingbolts.

•RemovetheTPsensor@withthespecialtool.

1rooL109930-11960:Torxwrench

•RemovetheSTVAmotorcover~alongwiththeSTPsensor

~.

NOTE:

Priortodisassembly,marktheSTPsensor'soriginalpositionwithapaintorscribeforaccuratereinstallation.

•RemovetheSTVAmotorleadwireconnector@byremovingthescrew.

_{•RemovetheSTVAmotoryoke@)alongwithSTVAmotor§).}

\

IACAUTIONI_@

NeverremovetheSTVAmotorframe@.

AvoidremovingtheSTYadjuster®unlessabsolutelynecessary.

!ACAUTIONI

Neverremovethesecondarythrottlevalveandthrottlevalve.

THROTTLEBODYCLEANING

AWARNING

Somecarburetorcleaningchemicals,especiallydip-typesoakingsolutions,areverycorrosiveandmustbehandledcarefully.Alwaysfollowthechemicalmanufacturer'sinstructionsonproperuse,handlingandstorage.

•Cleanallpassagewayswithaspray-typecarburetorcleanerandblowdrywithcompressedair.

IACAUTIONI

Donotusewiretocleanpassageways.Wirecandam•agepassageways.Ifthecomponentscannotbecleanedwithaspraycleaneritmaybenecessarytouseadip•typecleaningsolutionandallowthemtosoak.Alwaysfollowthechemicalmanufacturer'sinstructionsforproperuseandcleaningofthethrottlebodycompo•nents.Donotapplycarburetorcleaningchemicalstotherubberandplasticmaterials.