Engine
Tractors, 200 Series SM-2105 (Oct-76)
Engine Runs But Misses
General In formation
20 5-7
Engine Misses When Advancing Throttle
High-tens~onwire loose from spark plug or co~l.
Cold engine.
Breaker points out of adjustment or worn and pitted.
High-speed and idle mixture needles not properly adjusted,
Spark plug fouled or pitted, incorrect gap.
Spark plug fouled or pitted, incorrect gap.
Loose electrical connections.
Linkage misaligned (throttle arm-to-governor).
Carburetor float not properly adjusted or leaky float.
Engine Loses Power
Crankcase low on oil.
Dirt or water in fuel system.
Engine shrouding plugged {overheats).
Wrong valve clearance.
Excessive engine load
Faulty coil.
Restricted air filter.
Engine shrouding plugged (overheats).
Dirt or water in fuel system.
Engine Misses Under Load Spark plug fouled or pitted, incorrect gap. High-speed and idle mixture needles not properly adjusted.
High-speed and tdle mixture needle not properly adjusted. Air leakage at carburetor. Spark plug fouled or pitted (incorrect gap).
Incorrect spark plug. Too much oil in crankcase. Breaker points out of adjustment or worn and pitted.
low engine
Ignition out of time.
Worn cylinder bore.
Dirt or water in fuel system.
Governor defective.
Stale fuel.
Governor linkage out of adjustment.
Engine Will Not ldle ldle speed too low.
compression.
Engine Overheats Dirty, plugged, or damaged shrouding or engine fins.
ldle mixture needle not properly adjusted. Air leakage at carburetor.
High-speed and idle mixture needles not properly adjusted.
Dirt or water in fuel system.
Air leakage at carburetor.
Restricted fuel tank tiller cap.
Too much oil in crankcase.
Spark plug fouled or pitted, incorrect gap.
Crankcase low on oil.
Wrong valve clearance.
Excessive engine load.
Low engine compression.
Flywheel fins broken or damaged.
Litho in U.S.A.