CHAPTER 3B ENGINE 50cc/80cc ATV SERVICE MANUAL09.0
CHAPTER 3B ENGINE PAGE 3B - 56 -
Checking auto choke
Check resistance value.
Standard value below 5Ω when cold.
Connect auto choke to 12V battery.
Plunger should extend 3/8 inch in 5 minutes.
Disassembling
Disassemble fixed plate screw and take off fixed
plate.
Take off enrichment equipment from carburetor.
Check pin and seat for wear.
Replace if necessary.
Place auto choke in mounting location and press
down firmly.
Put lock ring in position and fasten screw.
Air cut off valve
Disassembling
Disassemble two screws in fuel guide fixed plate
and remove fixed plate.
Disassemble two screws in air cut off valve.
Take off spring and vacuum plate.
Check for wear on plate, replace if necessary.
Clean the passage way to remove dirt.
Assembling
Install plate to carburetor.
Install spring and cover of air cut-off valve.
Build up fuel guide line fixed plate and tight two
screws.
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