Storage; Troubleshooting Guide; Disposal - Zenoah BT251 Owner's/Operator's Manual

10. Storage

11. Troubleshooting guide

Case 1. Starting failure
CHECK
fuel tank
fuel filter
carburetor adjustment screw
sparking (no spark)
spark plug
Case 2. Engine starts but does not keep running/Hard re-starting.
CHECK
fuel tank
carburetor adjustment screw
muffler,cylinder (exhaust port)
air cleaner
cylinder fin, fan cover
When your unit seems to need further service, please consult with our ZENOAH service shop in your area.

12. Disposal

22
• Aged fuel is one of major causes of engine
starting failure. Before storing the unit, empty the
fuel tank and run the engine until it uses all the
fuel left in the fuel line and the carburetor. Store
the unit indoor taking necessary measures for
rust prevention.
PROBABLE CAUSES
incorrect fuel
fuel filter is clogged
out of normal range
spark plug is fouled/wet
plug gap is incorrect
disconnected
PROBABLE CAUSES
incorrect fuel or staled fuel
out of normal range
carbon is built-up
clogged with dust
clogged with dust
• When disposing your machine, fuel or oil for the
machine, be sure to allow your local
regulations.rust prevention.
ACTION
drain it and with correct fuel
clean
adjust to normal range
clean/dry
correct (GAP: 0.6~0.7mm)
retighten
ACTION
drain it and with correct fuel
adjust to normal range
wipe away
wash
clean