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ENGLISH

7

TROUBLE SHOOTING

If you let the specified maintenance work on your motorcycle be carried out, disturbances can hardly be expected. Should an error
occur nevertheless, we advise you to use the trouble shooting chart in order to find the cause of error.
We would like to point out that many operations cannot be performed by oneself. In case of uncertainty, please contact a KTM-dealer.

TROUBLE

Engine doesn’t crank.

The engine doesn't crank.
The neutral indicator lamp
doesn't light up.

The engine cranks only with
pulled clutch lever

Engine cranks with gear
engaged.

Engine cranks but doesn’t
start.

CAUSE

Operating errror

Discharged battery.

Defect ignition lock or emergency
OFF switch

Blown fuse safe-starting system.

Blown main fuse.

Discharged battery.

Defect safe-starting system.

Defect safe-starting system.

Operating error

The motorcycle has been out of
operation for a longer period of
time. Therefore old fuel has accu-
mulated in the float chamber

Fuel supply interrupted

Defective fuel pump

Flooded engine

Sooty or wet spark plug 

Electrode gap too large

REMEDY

Turn on the ignition, switch the gear to neutral and switch the
emergency OFF switch on.

Recharge the battery and investigate the causes for dischar-
ging; contact a KTM dealer.

Check ignition lock and emergency OFF switch, contact a
KTM dealer.

Replace fuse (below the cockpit cover).

Remove seat and replace the main fuse. If fuse blows again
contact a KTM dealer.

Recharge the battery and investigate the causes for dischar-
ging; contact a KTM dealer.

Contact a KTM dealer.

Contact a KTM dealer.

Open fuel tap / emergency fuel tap, tank fuel, you did not use
choke i.e. the warmstart device. Pay attention to starting off
information (see driving instructions).

The easily inflammable components of the new fuels evapo-
rate during longer periods of standstill.
When the motorcycle has been out of operation for more
than a week, it is therefore recommended to drain the old fuel
from the float chamber. The engine will immediately start off
when the float chamber is filled with new fuel.

Disconnect the fuel hose coming from the fuel tap at the fuel
pump. Put the end of the fuel hose into an appropriate contai-
ner and open the fuel tap. 
– If fuel flows out, check the fuel pump. 
– If no fuel flows out, the fuel evaporation control system must

be checked or the fuel tap must be cleaned, respectively.

Disconnect the fuel hose at the carburetor. Put the end of the
fuel hose into an appropriate container, open the fuel taps
and start the engine. 
– If fuel flows out, clean the carburetor. 
– If no fuel flows out 

– check the underpressure tube between the cylinder head

and the fuel pump for leaks. 

– check if the fuel filter is clogged. 
– contact a KTM dealer.

Fully open the throttle when starting or exchange the spark
plug, respectively

Clean and dry the spark plug or exchange it, respectively

Adjust spark plug elektrode gap to 0,7 mm

Содержание 640 ADVENTURE1999

Страница 1: ...Art Nr 3 205 70 1 99 Supplement to the OWNER S HANDBOOK Art Nr 3 205 56 Erg nzungen zur BEDIENUNGSANLEITUNG Art Nr 3 205 56 640 ADVENTURE mit MIKUNI Vergaser with MIKUNI carburetor 99...

Страница 2: ......

Страница 3: ...gnition off light off handlebar blocked To switch the ignition to position turn the ignition key to position and firmly press it into the lock Turn the handlebar all the way to the left then turn the...

Страница 4: ...uel in the tank when closing the filler cap check that the tank venting hose is free of kinks 3 CHAIN A loose chain can fall off an extremely worn chain can tear and insufficient lubrication can resul...

Страница 5: ...ignition is on the headlight is on ignition lock in position If this is not the case the battery is discharged If the lights are on proceed as described in the Trouble shooting section or contact a K...

Страница 6: ...RPM AT THE LATEST NEVER HAVE THE THROTTLE WIDE OPEN WHEN CHANGING DOWN TO A LOWER GEAR THE ENGINE WILL OVERSPEED DAMAGING THE VALVES IN ADDITION THE REAR WHEEL BLOCKS SO THAT THE MOTORCYCLE CAN EASILY...

Страница 7: ...nd to ground using foot b swing out kickstarter and pull motocycle backwards at an angle as illustrated see illustration Make sure that the ground is solid and that your motorcycle is standing securel...

Страница 8: ...IN OR A FUSE ALLOWED TO BE REPAIRED AN INEXPERT TREATMENT COULD DAMAGE THE WHOLE ELECTRICAL INSTALLATION Adjust idling speed Use the adjusting screw 5 to adjust the basic position of the throttle val...

Страница 9: ...cockpit cover Remove seat and replace the main fuse If fuse blows again contact a KTM dealer Recharge the battery and investigate the causes for dischar ging contact a KTM dealer Contact a KTM dealer...

Страница 10: ...blank place on engine and actuate starter a strong spark must be produced at the spark plug If no spark is created exchange the spark plug If the new spark plug doesn t produce a spark either dis conn...

Страница 11: ...r with water jet Replace cooling liquid use antifreezer with brand name Shorten or replace cooling hose Remove and check thermostat opening temperature 70 C 158 F or replace it contact a KTM dealer Re...

Страница 12: ...rburetor setting number Main jet Needle jet Idling jet Jet needle Needle position from top Mixture adju screw open Throttle valve Starting jet Performance restrictor BST40 225 080298 142 5 689 X 6 45...

Страница 13: ...K T M S P O R T M O T O R C Y C L E A G A 5230 Mattighofen Postfach 91 Austria I n t e r n e t h t t p w w w k t m c o a t FN 102019 d Landesgericht Ried im Innkreis...

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