Throttle Valve Disassembly And Assembly - Eton VECTOR ST 250 Service Manual

5-6 Throttle Valve
Disassembly
Remove carburetor upper parts, and then remove
throttle valve and throttle cable.
Disconnect the throttle cable from the throttle
valve and remove the valve spring.
Remove the fuel needle clamp and fuel needle.
Assembly
Place the fuel needle onto the throttle valve and
clip it with needle clamp.
Install the sealed cap, carburetor upper part, and
throttle valve spring.
Connect the throttle valve cable to the throttle
valve.
Install the throttle valve into the carburetor body.
Caution
Align the groove inside the throttle valve with the
throttle stopper screw of the carburetor body.
Tighten the carburetor upper part.
Adjust the free play of throttle valve cable.
Throttle valve
Throttle
cable
28
Spring
Needle clamp
Fuel needle clip
Fuel needle