English, Maintenance work on chassis and engine – KTM 85SX User Manual

Page 31

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ENGLISH

MAINTENANCE WORK ON CHASSIS AND ENGINE

Draining the float chamber of the carburetor

Following every wet-cleaning procedure, the float chamber of the

carburetor should be drained in order to remove any water that may have

penetrated into it. Water in the float chamber leads to engine malfunction.

Make sure you do this while the engine is cold. Close the fuel tap and place

a cloth under the carburetor which is capable of absorbing the leaking fuel.

Unscrew the plug

[1] and clean it with compressed air. Then, mount the plug

together with the gasket and tighten to 4 Nm, open fuel tap, and check the

float chamber for leaks.

FUEL IS EASILY FLAMMABLE AND TOXIC. WHEN HANDLING FUEL, BE SURE TO

EXERCISE THE UTMOST CAUTION. NEVER PERFORM ANY WORK ON THE FUEL SYS-

TEM NEAR OF OPEN FLAMES OR BURNING CIGARETTES. ALWAYS ALLOW THE ENGINE

TO COOL OFF FIRST. IMMEDIATELY CLEAN UP ANY FUEL WHICH MAY HAVE BEEN

SPILLED. MATERIALS SATURATED WITH FUEL ARE ALSO EASILY FLAMMABLE. IN

CASE YOU INGESTED FUEL OR FUEL SPLASHED INTO YOUR EYES, CONSULT A

DOCTOR IMMEDIATELY.

DISPOSE OF THE FUEL PROPERLY!

Checking gear oil level

To check the gear oil, warm up the engine to operating temperature with a

low load and place the motorcycle on an even surface. Remove the oil drain

plug

[2] and allow the gear oil to drain into a vessel. Clean the sealing area,

mount the oil drain plug and gasket and tighten to 15 Nm.

Remove the oil filler screw

[4] and add 0.5 liters of gear oil (e.g. Motorex

Topspeed 4T 15W50). Mount the oil filler screw and check the engine for

leaks.

If the gear oil is still clean you can continue to use it up to your next service.

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TOO LITTLE OIL OR A POOR OIL QUALITY WILL CAUSE THE TRANSMISSION TO

WEAR PREMATURELY. ONLY USE BRAND-NAME OILS.

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DUE TO A CHANGE IN THE FLUID CAPACITIES THE INSPECTION SCREW

[3]

CAN NO LONGER BE USED.

ENGINES AND ENGINE OIL ARE EXTREMELY HOT AT OPERATING

TEMPERATURES - BE CAREFUL NOT TO BURN YOURSELF.

Changing gear oil *

Before changing the gear oil warm up the engine and park the motorcycle on

a horizontal surface. Remove the oil drain plug

[2] and drain the used oil into

an appropriate container. Clean the sealing surface. Mount the oil drain plug

together with its gasket and tighten to 15 Nm.

Remove the filler plug

[4] and add 0.5 l gear oil (e.g. Motorex Topspeed 4T

15W50). Mount the filler plug and check the engine for leaks.

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