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Loss of power • Cutting too much grass/too • Set in “Higher Cut” position/
fast. reduce speed.
• Throttle in “CHOKE” • Adjust throttle control.
position.
• Build-up of grass, leaves • Clean un der side of mower
and trash under mower. housing.
• Dirty air fi lter. • Clean/replace air fi lter.
• Low oil level/dirty oil. • Check oil level/change oil.
• Faulty spark plug. • Clean and regap or change
spark plug.
• Dirty fuel fi lter. • Replace fuel fi lter.
• Stale or dirty fuel. • Drain fuel tank and refi ll with
fresh gasoline.
• Water in fuel. • Drain fuel tank and carbure-
tor, refi ll tank with fresh
gasoline and replace fuel
fi lter.
• Spark plug wire loose. • Connect and tighten spark
plug wire.
• Dirty engine air screen/fi ns. • Clean engine air screen/fi ns.
• Dirty/clogged muffl er. • Clean/replace muffl er.
• Loose or damaged wiring. • Check all wiring.
• Carburetor out of • See “To Adjust Car bu re tor”
adjustment. in Service Adjustments
section.
• Engine valves out of • Contact an authorized
adjustment. service center/department.
Excessive • Worn, bent or loose blade. • Replace blade.
vibration Tighten blade bolt.
• Bent blade mandrel. • Replace blade mandrel.
• Loose/damaged part(s). • Tighten loose part(s).
Replace damaged parts.
Engine continues • Faulty operator-safety • Check wiring, switches and
to run pres ence control system. connections. If not corrected,
when operator contact an authorized
leaves seat with service center/department.
with attachment
clutch engaged
Poor cut - uneven • Worn, bent or loose blade. • Replace blade. Tighten
blade bolt.
• Mower deck not level. • Level mower deck.
• Buildup of grass, leaves, • Clean underside of mower
and trash under mower. housing.
• Bent blade mandrel. • Replace blade mandrel.
• Clogged mower deck vent • Clean around mandrels to
holes from buildup of open vent holes.
grass, leaves, and trash
around mandrels.
PROBLEM CAUSE CORRECTION
TROUBLESHOOTING CHART