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Fig. 4-3 725-067A Fig. 4-4 734-292A Fig. 4-5 734-292B 4. Check the hoses to ensure that all are correctly connected; then check for cracks. If any cracks are 5. Check the impulse hose for cracks or any possible air leaks. The hose must fit tightly at both ends. If 6. Check each carburetor vent hose for kinks or obstructions; remove any obstructions. 7. Check each carburetor float chamber drain hose for water or debris. If seen, clean by removing the plug 8. Check the gas tank vent hose and fuel hose for obstructions; remove any obstructions. 9. Turn the fuel shut-off valve to the OPEN position. Changing Main Jet(s) (VM-Style) The carburetor main jet(s) must be changed in 1. Loosen each carburetor flange clamp and remove each carburetor from the intake flange and boot. 2. Remove the drain plug and O-ring from each carburetor float chamber and drain the gas into 3. Using the Main Jet Wrench (p/n 0644-065), thread the main jet out of each carburetor. Account for the 4. Install the drain plug and O-ring; then tighten securely. Fig. 4-6 0728-054 5. Install and secure each carburetor. In-Line In-Line Fuel Filter 4 4-3 |