STREET DEMON™ CARBURETOR REBUILD KITS 625 Street Demon™ #1920 750 Street Demon™ #1919 INSTRUCTION SHEET - LIT709 1
DISASSEMBLY: NOTE: Numbers in parentheses refer to the exploded views in Figures 10 & 11. 1. Remove the choke shaft / lever assembly (5). Remove step up piston cover screws (2) and step-up piston cover (1). Remove the step up pistons (19), metering rods (15), and springs (14) as an assembly. Metering rods (15) may be removed from the piston (19), if desired. 2. Remove the pump lever connecting rod (32), c-clips (31), choke connector rod (42), c-clip (31), and cotter pin (46).
9. Remove the accelerator pump plunger assembly (10) and spring (11). See Fig. 4. Figure 4 10. Remove the rubber cup from the pump plunger assembly. 11. Remove the primary (6) and secondary jets (13), noting their locations. 12. Remove the discharge nozzle screw (23), discharge nozzle (22), and discharge nozzle gaskets (24). Invert the air horn to remove discharge check needle (25). 13. Remove the idle mixture screws (47) and springs (48) from the throttle body assembly (35).
ADJUSTMENT DATA: FLOAT LEVEL: 1. With the air horn inverted and weight of float seating needle at the toe of the float, there should be 1.01” (25.7mm) between the top of each float and the air horn gasket surface (Fig. 6). 2. To adjust, raise float slightly and bend the float lever. CAUTION! DO NOT PRESS NEEDLE INTO SEAT WHEN ADJUSTING FLOAT LEVER. Figure 6 PUMP: 1. Install the pump connector rod in the center hole. 2. Check the clearance (Fig. 7). You may need to bend the pump rod to obtain .156” (4.
ELECTRIC CHOKE SETTING: 1. With the thermostat cap assembly cold, rotate the cap against the spring tension until the mark on the cap is aligned with the index mark on the housing (Fig. 9). 2. Turn clockwise an additional two notches rich for the proper setting. 3. After engine is warmed up, check that the choke valve has opened fully and that it operates freely.
Item 1 2 3 4 5 6 7 8 9 10 11 12 13 Description Step-Up Piston Cover #6 – 32 x .
Item 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 Description Air Horn Assembly Air Horn Gasket Air Baffle Fuel Bowl C-clips Pump Lever Connecting Rod Outer Choke Counter Lever Throttle Body Gasket Throttle Body Assembly #10 – 32 Fillister Head Screw #6 – 32 UNC x .
Demon Carburetion™ Limited Warranty All Demon Carburetion™ Limited Warranties are extended to the original consumer only. This Limited Warranty is not assignable or otherwise transferable. There are no warranties that extend beyond those stated herein. Demon Carburetion™ offers no other warranties expressed or implied beyond this Limited Warranty.
