Polaris 2007 Sportsman 450 EFI, Service Manual

Page: 35 / 406

2.15
MAINTENANCE
2
Throttle Inspection
Check for smooth throttle opening and closing in all handlebar
positions. Throttle lever operation should be smooth and lever
must return freely without binding.
1. Place the gear selector in Park.
2. Set parking brake.
3. Start the engine and let it idle.
4. Turn handlebars from full right to full left. If idle speed
increases at any point in the turning range, inspect throttle
cable routing and condition. Adjust cable tension as needed
until lock-to-lock turning can be accomplished with no rise
in engine rpm.
5. Replace the throttle cable if worn, kinked, or damaged.
To remove the ETC cover:
1. Use a medium flat blade screwdriver and insert blade into
the pocket of the cover starting on the #1 position.
2. Twist screwdriver slightly while lifting on the cover to
release snap.
3. Repeat procedure at the other five locations as shown.
NOTE: Do not attempt to remove cover until all latch
points are released.
Throttle Cable / Electronic Throttle Control
(ETC Switch) Adjustment
1. Slide boot off throttle cable adjuster and jam nut.
2. Place shift selector in neutral and set parking brake.
3. Loosen lock nut on in-line cable adjuster (Ill. 1).
4. Turn adjuster until specified freeplay is achieved at thumb
lever. (see illustration). After making adjustments, quickly
actuate the thumb lever several times and reverify freeplay.
5. Tighten lock nut securely and slide boot completely in
place to ensure a water-resistant seal.
6. Turn handlebars from left to right through the entire turning
range. If idle speed increases, check for proper cable
routing. If cable is routed properly and in good condition,
repeat adjustment procedure
ETC Cover
Removal Sequence
III. 1
1
2
3
4
5
6
= In. / mm.
Throttle Freeplay:
.0625 - .1250" (1.58 - 3.17mm)
Boot
Adjuster Sleeve Lock Nut
Boot
Direction of Travel
1/16-1/8” Freeplay