Ktm 144 SX User Manual

KTM-Sportmotorcycle AG A–5230 Mattighofenwww.ktm.comKTM Group Partner4/2007 FOTO: MITTERBAUER125 SX144 SX250 SX OWNER’S MANUAL 20083211225en*32

ENGLISH9GENERAL TIPS AND WARNINGS FOR STARTING THE MOTORCYCLE »Instructions for your first ride– Make sure the work for the "pre-delivery inspect

ENGLISH10DRIVING INSTRUCTIONS »What you should check before each startWhen you start off, the motorcycle must be in a perfect technical condition.For

ENGLISH11DRIVING INSTRUCTIONS »Starting when the engine is cold1 Open fuel tap2 Put the gear in neutral3 Activate cold-starting aid (choke)4 Leave

ENGLISH12DRIVING INSTRUCTIONS »Shifting/RidingYou are now in first gear, referred to as the drive or uphill gear.Depending on the conditions (hill siz

ENGLISH13PERIODIC MAINTENANCE SCHEDULE »125/144/250 SX 2008A CLEAN MOTORCYCLE CAN BE CHECKED MORE QUICKLY WHICH SAVES MONEYBefore eachrace1st service

ENGLISH14PERIODIC MAINTENANCE SCHEDULE »125/144/250 SX 2008IMPORTANT SERVICE WORK THAT MUST BE PERFORMED BY AN AUTHORIZED KTM WORKSHOPUNDER A SEPARA

ENGLISH15MAINTENANCE WORK ON CHASSIS AND ENGINE »Maintenance and adjusting work marked with an asterisk * requires expert skills and technical know-ho

ENGLISH16MAINTENANCE WORK ON CHASSIS AND ENGINE »Basic suspension setup for the weight of the driverTo achieve maximum handling performance and to pre

ENGLISH17MAINTENANCE WORK ON CHASSIS AND ENGINE »Checking the basic setup of the telescopic forkThe precise riding sag of the telescopic fork cannot b

ENGLISH18Changing the fork offset (caster The fork offset [A] in the SX models (center fork legs - center steering headangle) can be set to either 18

ENGLISH1IMPORTANT »Please insert the serial numbers of your motorcycle in the boxes belowFrame numberEngine numberStamp of dealerAll information conta

ENGLISH19MAINTENANCE WORK ON CHASSIS AND ENGINE »Mount the lower triple clamp, upper steering head bearing, protection ring,O-ring, upper triple clamp

ENGLISH20Check chain tensionJack the motorcycle up on its frame so that the rear wheel no longer touchesthe ground.Press the chain upward at the end o

ENGLISH21MAINTENANCE WORK ON CHASSIS AND ENGINE »Chain maintenanceFor a long chain life, good maintenance is very important. Chains without X-rings sh

ENGLISH22General information about KTM disc brakesBRAKE CALIPERS:The brake calipers of this series use a „floating“ mount. This means that thebrake ca

ENGLISH23MAINTENANCE WORK ON CHASSIS AND ENGINE »Adjusting the free travel at the hand brake leverFree travel at the hand brake lever may be readjuste

ENGLISH24Replacing the front brake pads *Press the brake caliper toward the brake disk, to put the brake piston in itsbasic position. Remove clips [1]

ENGLISH25Changing the basic position of the foot brake pedal *To change the basic position of the foot brake lever, loosen the counternut[1] and turn

ENGLISH26Before remounting the front wheel, clean and grease the shaft seal rings [A]and the bearing surface [B] of the distance bushings and mount th

ENGLISH27Dismounting and mounting the rear wheelJack the motorcycle up on its frame so that the rear wheel no longer touchesthe ground. Remove the col

ENGLISH28Cooling systemThe water pump [1] in the engine circulates the cooling liquid. The coolingliquid is cooled by the air stream. This means that

ENGLISH2INTRODUCTION »INTENDED PURPOSEKTM sports motorcycles are designed and constructed to resist the usual wear and tear of normal use incompetiti

ENGLISH29MAINTENANCE WORK ON CHASSIS AND ENGINE »Bleeding the cooling systemBy removing the screw [1] at the water pump cover you can drain the coolan

ENGLISH30Changing the original position of the clutch leverThe adjusting screw [4] can be used for individual adjustment of the originalposition of th

ENGLISH31Bleeding the hydraulic clutch * The clutch control needs to be bled as soon as the resistance in the clutchlever starts to feel unresponsive.

ENGLISH32Carburetor adjustment *Basic information on the original carburetor settingThe original carburetor setting was adapted for an altitude of app

ENGLISH33Draining the float chamber of the carburetorFollowing every wet-cleaning procedure, the float chamber of the carburetorshould be drained in o

ENGLISH34MAINTENANCE WORK ON CHASSIS AND ENGINE »Adjusting the engine characteristic via the ignition curve (125/144/250)2 ignition curves (PERFORMANC

ENGLISH35Check transmission oil level (125/144 SX)In order to check the transmission oil level the control screw [1] on the clutchcover is to be remov

ENGLISH36CLEANING »CONSERVATION FOR WINTER OPERATION »STORAGE »Clean your motorcycle regularly in order to maintain the beauty of its plastic surfaces

ENGLISH37TECHNICAL SPECIFICATIONS – CHASSIS 125/144/250 SX 2008»CHASSIS 125 SX 144 SX 250 SXFrame Central chrome-moly-steel frameFork WP – Up Side

ENGLISH38TECHNICAL SPECIFICATIONS – CHASSIS 125/144/250 SX 2008»TIGHTENING TORQUES – CHASSISCollar screw, front wheel spindle M24x1,5 40 NmColear s

ENGLISH3INTRODUCTION »The service work specified in the "Lubrication and Maintenance Schedule" must be performed by a KTMworkshop and record

ENGLISH39TECHNICAL SPECIFICATIONS – ENGINE 125/144/250 SX 2008»ENGINE 125 SX 144 SX 250 SXDesign Liquid-cooled, single-cylinder, two-stroke engine w

ENGLISH40TECHNICAL SPECIFICATIONS – ENGINE 125/144/250 SX 2008»TIGHTENING TORQUES - ENGINEFlange bolts - cylinder-head (125/144 SX) M7 18 NmFlange b

ENGLISH41VERGASERREGULIERUNGCARBURETOR SETTINGKEIHIN PWK 39 125 SX 2007 / 2008MEERESHÖHEALTITUDETEMPERATURTEMPERATURE- 20°C bis -7°C-2°F to 20°F

ENGLISH42VERGASERREGULIERUNGCARBURETOR SETTINGKEIHIN PWK 39144 SX 2008MEERESHÖHEALTITUDETEMPERATURTEMPERATURE- 20°C bis -7°C-2°F to 20°F- 6°C b

ENGLISH43VERGASERREGULIERUNGCARBURETOR SETTINGKEIHIN PWK-S 36 AG250 SX 2008MEERESHÖHEALTITUDETEMPERATURTEMPERATURE- 20°C bis -7°C-2°F to 20°F- 6

ENGLISH44SCHALTPLAN » WIRING DIAGRAMM »8002-7002 XS052,441,521lioc noitinginottub potsG3rotarenegpu kcipCDI003.230.93.845 ssenrah IDCrotceles evruc no

ENGLISH45SCHALTPLAN »WIRING DIAGRAMM»ENGLISH DEUTSCH ITALIANOCABLE COLOURS KABELFARBEN CAVO COLORATObl: black bl: schwarz bl: neroye: yellow ye: gelb

INDEX »PageAdapting the chain guide . . . . . . . . . . . . . . . . . . . . .20Adjusting the engine characteristic via the ignition curve . .34Adjust

KTM-Sportmotorcycle AG A–5230 Mattighofenwww.ktm.comKTM Group Partner4/2007 FOTO: MITTERBAUER125 SX144 SX250 SX OWNER’S MANUAL 20083211225en*32

ENGLISH4TABLE OF CONTENTS »PageSERIAL NUMBER LOCATIONS . . . . . . . . . . . . . . . . . . . .5Chassis number . . . . . . . . . . . . . . . . . . .

ENGLISH5SERIAL NUMBER LOCATIONS »Chassis numberThe chassis number is stamped on the right side of the steering head tube.Enter this number in the fiel

ENGLISH6OPERATION INSTRUMENTS »Short circuit button (SX)The short circuit button [1] turns off the engine. When pressing this button,the ignition circ

ENGLISH7Shift leverThe shift lever is mounted on the left side of the engine. The position of thegears is shown in the illustration. Neutral, or the i

ENGLISH8Damping action during compression of shock absorberThe shock absorber on the SX models can synchronize the compression damp-ing in the low an