11.6 ServiceManual-RocketIll

ExplodedView-FuelTank

ServiceManual-RocketIll

11.7

ExplodedView-FuelPump

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8. ServiceManual-RocketIll

ExplodedView - FuelRail,ThrottlesandInjectors

5Nm

1.5Nm

• ServiceManual-RocketIll _11.9

^Explod^ed^View_Airbox

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11.10

Servi^.ce^{Manual-RocketIll}

ExplodedView-Exhaust System

ServiceManual-RocketIll ^11.11

ExplodedView-EvaporativeSystem

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11.12 ServiceManual-RocketIll

FuelRequirements

FuelRequirements-allcountriesexceptUSA

OutsideAmerica,theRocketIllmustberunon95

RONunleadedfuel.

FuelRequirements-USA

IntheUnitedStatesofAmericawheretheoctaneratingoffuelismeasuredina differentway,thefollowinginformationmay beapplied:theRocketIllisdesignedtorunonunleadedgasolinewithaCLCorAKIoctanerating(R+M)/2of89orhigher.

Methanol

MTBE(MethylTertiary ButylEther)

Theuseofgasolinescontainingupto15%MTBE(MethylTertiaryButylEther)ispermittedinTriumphmotorcycles.

OxygenatedGasoline

Tohelpinmeetingcleanairstandards,someareasoftheU.S.useoxygenatedgasolinetohelpreduceharmfulemissions.TheRocketIllwillgivebestperformancewhenusingunleadedgasoline.However,'thefollowingshouldbeusedasaguidetotheuseofoxygenatedfuels.

Ethanol

Ethanolfuelisamixtureof10%ethanoland90%gasolineandisoftendescribedunderthenames'gasohol','ethanolenhanced',or'containsethanol'.ThisfuelmaybeusedinTriumphmotorcycles.

ServiceManual-RocketIll ^11.13

GlossaryofTerms

Thefollowingtermsandabbreviationswillbefoundinthissection.Belowisgivenabriefexplanationofwhatsomeofthemorecommontermsandabbreviationsmean.

Airtemperature

Theairtemperatureintheairboxandintakehose.

Airtemperaturesensor

Sensorlocated intheairboxtodetectthetemperatureofthe incomingair.

ATDC

AfterTopDeadCentre.

Barometricpressure

Pressureoftheairintheairbox.

Batteryvoltage

ThevoltageattheinputtotheElectronicControlModule(ECM).

BTDC

BeforeTopDeadCentre(TDC).

Catalyst

Deviceplacedintheexhaustsystemwhichreducesexhaustemissions bystimulatingsecondarycombustionoftheexhaustgases.

Closedthrottleposition

Throttlepositionatidle(i.e.againstendstop),measured asavoltageandexpressedaspercentage.

Coolanttemperature

Thecoolanttemperatureinthecylinderhead.

Coolanttemperaturesensor

Sensorwhichdetectscoolanttemperature.

Coolingfanstatus

The 'on'or 'off'conditionofthecoolingfan.

OTC

DiagnosticTroubleCode.

ECM

EngineControlModule.

Enginespeed

Thecrankshaftrevolutionsperminute.

Freezeframe

AdatasetcapturedatthetimeaDiagnosticTroubleCode (OTC}isset.

Idlefueltrim

Thepercentageaboveorbelowthenominalfuelrequirementfor thevolumeofairenteringatidle.

Idlefueling

Adjustmentoffuelingatidletosuittheactualairinducted.

Idlereferencespeed

The targetidlespeedasdeterminedbytheElectronicControlModule(ECM).(Itshouldbethesameastheactualidlespeedifthemotorcycleisoperatingcorrectly.)

Ignitionadvance

Thetimingofignitionatthesparkplugrelativetotopdeadcentre.

Ignitionswitchposition

The'on'or'off'positionofeitherorboththeignitionswitchandtheenginestopswitch.

Ignitiontiming

Sameas'ignitionadvance'.

Injectorpulsetime

Thetimeduringwhichaninjectorremainsopen(i.e.deliveringfuel).

Longtermfueltrim

Fuelingafteradaptingtotheengine'slongtermfuelingrequirements(closedlooponly).Seealsoshorttermfueltrim.

^11.14 ServiceManual -RocketIll

MAPsensor

Manifoldabsolutepressure(theairpressureintheintakesystem).

MIL

MalfunctionIndicatorLamp.

IlluminateswhenmostDiagnosticTroubleCodes(DTC's)areset.

Neutralswitchstatus

The'neutral'or'ingear'statusofthegearchange.

Offidlefueltrim

Thepercentageaboveorbelowthenominalfuelrequirementforthevolumeofairenteringatenginespeedsotherthanidle.ThisfunctionisnotcurrentlyusedintheTriumphsystem.

Opencircuit

Abreakinanelectricalcircuit-currentcannotflow.

Overtemp

High temperaturewithintheElectronicControlModule(ECM)causedbyaninternalorexternalfailure.

PrimaryThrottlePositionSensor

Sensorfortheprimary(lower)throttleposition.

PrimaryThrottleStepperMotor

Steppermotorusedtovarythrottleopeningatidleand whentheengineisclod.

Purgevalvedutycycle

ThetimethepurgevalveisopeninanopenIclosecycle,expressedasapercentageofthecycletime.

RoadSpeedSensor

GearboxmountedsensorwhichdeliversinformationtotheECMthatisconvertedtotheroadspeedvaluethatisdisplayedonthespeedometer.

SecondThrottlePositionSensor

Sensorforthesecond(upper)throttleposition.

SecondThrottleStepperMotor

Steppermotorusedtovaryallsecondthrottlepositions,onoroffidle.

Sensorreferencevoltage

Supplyvoltagetothesystemsensors(nominally

5volts).

Shortcircuit

A'shortcut'inanelectricalcircuit-currentby-passestheintendedcircuit(usuallytoearth).

Shorttermfueltrim

Acorrectionappliedtothefuelmixtureduringclosedloopcatalystoperation.This,inturnhasaneffectonthelongtermfueltriminthat,ifanengineconstantlyrequiresmixturecorrection,thelongtermfueltrimwilladapttothisrequirementthusreducingtheneedforconstantshorttermadjustment.

Sidestandstatus

The'up'or'down'positionofthesidestand.

Targetdwelltime

Theactualtimefrom coil'on'tocoil'off'.

Throttleposition

Thepositionofthethrottlebutterflygivenasapercentageofthemovementrange.Whenthedataisdisplayedonthetool,fullyopenneednotbe100%norfullyclosed0%.

Throttlevoltage

Voltageatthethrottlepotentiometer.

Vbatt

Batteryvoltage.

_- ServiceManual-RocketIll

11.15

EngineManagementSystem

SystemDescription

TheRocketIllisfittedwithanelectronicenginemanagementsystemwhichencompassescontrolofbothignitionandfueldelivery.Theelectroniccontrolmodule(ECM)drawsinformationfromsensorspositionedaroundtheengine,coolingandairintakesystemsandpreciselycalculatesignitionadvanceandfuelingrequirementsforallenginespeedsandloads.

Inaddition,thesystemhasanon-boarddiagnosticfunction.Thisensuresthat, shouldamalfunctionoccurintheenginemanagementsystem,themalfunctiontype,andenginedataatthetimethemalfunctionoccurred,arestoredintheECMmemory.ThisstoreddatacanthenberecoveredusingaspecialservicetoolwhichismandatoryforallTriumphdealers.Inthisway,precisediagnosisofafaultcanbemadeandthefaultquicklyrectified.

SystemSensors

• Intakeairtemperaturesensor-situatedatthefrontoftheintakeduct,abovethecamcover.Asthedensityoftheair(andthereforetheamountofoxygenavailabletoignitethefuel)changeswithtemperature,anintakeairtemperaturesensorisfitted.Changesinairtemperature(andthereforeairdensity)arecompensatedforbyadjustingtheamountoffuelinjectedtoalevelconsistentwithcleancombustionandlowemissions.

• Barometricpressuresensor-situatedbeneaththemotorcycleseat,inthetopoftheairbox.Thebarometricpressuresensormeasuresatmosphericairpressure.Withthisinformation,theamountoffuelperinjection isadjusted tosuittheprevailingconditions.

• ManifoldAbsolutePressure(MAP)sensor-situatedatthefrontoftheintakeduct,abovethecamcover,connectedtoeachofthethreethrottlebodiesbyequallengthtubes.TheMAPsensorprovidesinformationtotheECMwhichisusedatshallowthrottleangles(verysmallthrottleopenings)toprovideaccurateengineloadindicationstotheECM.ThisdegreeofengineloadaccuracyallowstheECMtomakeverysmalladjustmentstofuelandignition whichwouldotheiwisenotbepossiblefromthrottleangledataalone.

• Clutchswitch-situatedontheclutchlever.Theclutchmustbepulledinforthestartermotortooperate.

  • ^{Crankshaftpositionsensor-situatedinthealternator}cover.Thecrankshaftpositionsensordetectsmovementofatoothedwheelattachedtothealternatorrotor.

Thetoothedwheelgivesareferencepointfromwhichtheactualcrankshaftpositioniscalculated.ThecrankshaftpositionsensorinformationisusedbytheECMtodetermineenginespeedandcrankshaftpositioninrelationtothepointwherefuelisinjectedandignitionofthefueloccurs.

• Enginecoolanttemperaturesensor-situatedtowardsthe frontof thecylinderhead,onthelefthandside.Coolanttemperatureinformation,receivedbytheECM,is usedtooptimisefuelingatallenginetemperaturesandtocalculatehotandcoldstartfuelingrequirements.

• Primarythrottlepositionsensor-situatedattherearofthelowerthrottlespindle.Usedtorelaythrottlepositioninformationto theECM.ThrottleopeningangleisusedbytheECMtodeterminefuelingandignitionrequirementsforallthrottlepositions.

• Secondarythrottlepositionsensor-situatedatthefrontoftheupperthrottlespindle.UsedtorelaysecondarythrottlepositioninformationtotheECM.SecondarythrottleangleisusedbytheECMtodeterminesecondary throttleopeningpositionunderallenginerunningconditions.

• Roadspeedsensor-situatedinthelowercrankcase,onthelefthandside.TheroadspeedsensorprovidestheECMwithdatafromwhichroadspeediscalculatedanddisplayedonthespeedometer.Avehiclespeedlimitationdevicealsoreceivesinformationfromtheroadspeedsensor.

• Lambdasensor-situatedinthe exhaustheadersystemupstreamofthecatalystbox.ThelambdasensorconstantlyfeedsinformationtotheECMonthecontentoftheexhaustgases.Basedonthisinformation,adjustmentstoair/fuelratioaremade.

• Sidestandswitch-situatedatthetopofthesidestandleg.Ifthesidestandisinthedownposition,theenginewillnotrununlessthetransmission isinneutral.