Disassembling the carburetor (Dell’Orto PHM 40 SD)
NOTE: Before commencing to disassemble the carburetor make sure
that your workplace is clean and large enough to properly arrange all
carburetor components before you.
– Remove the two screws and pull the carburetor cover out of the
carburetor together with the throttle slide.
–Wrap the throttle slide in a clean piece of cloth and put it onto the
air filter box.
– Undo screw
bk and take the starting piston out of the carburetor.
– Remove the plug
1 together with the seal ring and take off the float
chamber.
– Remove the main jet
2, the main jet holder 3 and the baffle 4.
–Twist out the starting jet
5.
– Remove the idling jet
6 together with the idle mixture pipe below.
–Twist out the needle jet
7.
– Pull out the pin
8 and remove the float.
– Remove the entire needle valve
9 together with the gasket behind.
8-12E
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