Ski-Doo FORMULA S 1997, Shop Manual

Page: 738 / 926

Section 03 ENGINE
Sub-Section 08 (CARBURETOR AND FUEL PUMP)
03-08-4
DISASSEMBLY AND ASSEMBLY
NOTE: To ease the carburetor disassembly and
assembly procedures it is recommended to use
carburetor tool kit (P/N 404 1120 00).
2,3, E-clip and Needle
All Models Except Mach Z/Z LT
Remove screws from needle retaining plate to
withdraw the needle.
Mach Z/Z LT
To remove needle or to change its position or to
remove throttle slide, remove caburetor cover.
Except for MAG side carburetor, unscrew locking
screw and adjusting nut form throttle shaft.
Move arm aside just enough for unscrewing Allen
screw retaining throttle slide.
For MAG side carburetor, raise throttle slide half
way then unscrew Allen screws.
1. Allen screw
2. Arm moved aside
3. Locking screw and adjusting nut removed
All Models
The position of the needle in the throttle slide is
adjustable by means of an E-clip inserted into 1 of
5 grooves located on the upper part of the needle.
Position 1 (at top) is the leanest, 5 (at bottom) the
richest.
NOTE: The last digit of the needle identification
number gives the recommended position of the
E-clip
from the top of the needle.
CLIP POSITIONS
The size of the throttle slide cut-away affects the
fuel mixture between 1/8 to 1/2 throttle opening.
1. Low cut-away low
2. Rich mixture
3. High cut-away high
4. Lean mixture
A00B2FA
A06C0KA
2
3
1
Example: 6DH4-3
Needle
identification Recommended position.
of the E-clip
from top
A00B2GA
1
2
3
4
5
Lean
Rich
1
3
2
4
A00C01A