10
ADJUSTMENTS
Low l l l
l l l l
High l l l l l
FUEL SYSTEM
Plugged Tank Filter or Vent l l l l l l l
Restricted Fuel Line l l
l l l
Leak in Pulse System l l l l l l l Restricted Pulse
Channel l l l l l l l Loose Pump Cover
Screws l l l l l l
Defective Pump Diaphragm l l l l l l l
AIR SYSTEM
Plugged Air Filter l l l l l l Defective Manifold Gasket
l l l l l Loose Carb. Mounting Bolts
l l l l Worn Throttle Shaft or Valve
l l
Incorrect Throttle Assembly
Loose Throttle Valve Screw l
Throttle Shaft Too Tight l
Bent Throttle Linkage l
Defective Throttle Spring l
Bent Throttle Stop Lever l
Choke Not Functioning Properly l
Worn Choke Shaft or Valve l l
START
Hard Starting
Fuel Dripping From Carburetor
Floods Engine When Not Running
IDLE (Low Speed)
Will Not Idle
Rich Idle
Idles With Needle Closed
Erratic Idle
"L" Needle Needs Frequent Adjustment
Loads Up While Idling
ACCELERATION & DECELERATION
Will Not Accelerate
Engine Stops When Closing Throttle
Over-rich Acceleration
HIGH SPEED
Will Not Run at W.O.T.
Low Power
No Rich Drop Off
TROUBLESHOOTING CARBURETION - TC SERIES
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