FUEL SYSTEM
Engine Control Linkage
Page 14-8 2001 Pioneer 1200 Gasoline Vehicle Maintenance and Service Manual
14
Changing the Main Jet, Continued:
∆ CAUTION
• Do not remove the valve/spring assembly from the float assembly. Doing so will damage the spring.
NOTE: Inspect the main jet nozzle (7), and pilot jet (4) to ensure they are free from contamination. Replace
any part that is clogged with contamination. Replace the float if it is damaged, or if the float valve is
damaged or worn. Examine the float valve/spring assembly to make sure the spring is installed cor-
rectly (Figure 14-7, Page 14-7).
9. Install the fuel bowl. Make sure that it is positioned properly by aligning the marks applied in step 4.
See following CAUTION.
∆ CAUTION
• Make sure the fuel bowl is properly seated against the carburetor fuel bowl gasket, and the gasket is
not pinched.
10. Install the fuel bowl retaining screw and tighten it to 61 in-lb (6.9 N·m).
11. Write the size of the main jet on the fuel bowl with an indelible ink marker. This should be written in a
location that will be visible when the carburetor is installed on the engine.
12. Install the carburetor on the engine (Figure 14-6, Page 14-6).
12.1. Attach the throttle return spring (11) to the carburetor and then to the throttle bracket (4) just
before positioning the carburetor and securing it to the engine (Figure 14-6, Page 14-6).
12.2. Install the intake pipe gasket (16) (check for proper orientation) and intake pipe (17) (Figure 14-6,
12.3. Install the carburetor retaining nuts (19) and tighten them to 50 in-lb (5.7 N·m) (Figure 14-6, Page
13. Connect fuel supply line (26) and tighten screw clamp to 9 in-lb (1.0 N·m) (Figure 14-6, Page 14-6).
14. Install carburetor vent line (14) and clamp (13) (Figure 14-6, Page 14-6).
15. Install the governor cable clevis pin (24) and cotter pin (25) (Figure 14-6, Page 14-6).
16. Install the intake hose (23) and secure with hose clamp (Figure 14-6, Page 14-6).
NOTE: Make sure the intake hose is not twisted during installation.
17. Turn fuel shut-off valve (on gas tank) to the ON position (Figure 14-22, Page 14-28 and Figure 14-23,
18. Connect the battery cables, positive (+) post first, and tighten terminals to 20 ft-lb (27.1 N·m).
19. Test drive the vehicle.
ENGINE CONTROL LINKAGE
Read DANGER and WARNING on page 14-1.
GENERAL INFORMATION
For proper vehicle operation, it is important the accelerator pedal, governor linkage, and throttle adjustments
are done correctly and in the proper sequence. See following CAUTION.