2003-2007 KTM 950-990 Adventure Service Manual

KTM Sportmotorcycle AG reserves the right to modify any equipment, technical specifications, colors, materials, services offered and rendered, and the like so as to adapt them to local conditions without previous announcement and without giving reasons, or to cancel any of the above items without substituting them with others. It shall be acceptable to stop manufacturing a certain model without previous announcement. In the event of such modifications, please ask your local KTM dealer for information.


  • Put the index into the binder.
  • Put the front page of the repair manual (210x297 mm) into the transparent pocket provided for this purpose on the outside of the binder.
  • Put the spine label (170x45 mm) into the transparent pocket provided for this purpose on the spine of the binder.
  • Put the summary list of contents (150x297 mm) into the transparent pocket provided for this purpose on the inside of the binder or insert this page on the beginning of the manual.
  • Then insert the individual chapters of the manual between the sheets of the index according to the page number printed in the right bottom corner of each page. Example: page no. 3-5 3 = chapter 3 5 = page 5 All pages with a page number that begins with the digit 3, for example, must be put under the index heading "Chapter 3".
  • Index sheets that have not been marked with a certain chapter are for your personal convenience. The respective headings can be entered in the list of contents.

KTM Secondary air system

The secondary air system supplies fresh air to the emissions in the exhaust port, resulting in the afterburning (oxidation) of the emissions. A line leads from the filter box 1 to the control valve 2 which opens as soon as the throttle valves 3 are opened. The line continues to the reed valves 4 in the cylinder heads which are actuated by the pressure pulsation in the exhaust system. As a result, cleansed fresh air arrives in the exhaust port. The oxygen content in the air and the high exhaust gas temperature cause the emissions to oxidize.

KTM 950-990 Adventure

If the throttle valves are closed and the engine goes into an overrun condition, the underpressure in the intake port will rise and the control valve will close. This prevents exhaust backfire (combustion of the unburned fuel/air mixture). The secondary air system operates in a similar manner in models equipped with an injection engine; a solenoid valve controlled by the control unit is used instead of the control valve.

KTM 990 Adventure Manual

The KTM 990 Adventure ABS operates with two independent brake circuits (front and rear wheel brake). During normal service the brake system works just like a conventional brake without the ABS. The ABS control phase sets in when the control unit detects that one of the wheels is starting to lock. It releases the pressure in the respective brake circuit and prevents the wheel from locking. You can feel the control function as a slight pulsing in the brake lever.

2003-2007 KTM 950-990 Adventure Manual PDF

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