TOHATSU 2 Stroke Cylinder Series User Manual

SECTION 4
4-6
1-/ 2-Cylinder
TROUBLESHOOTING
The troubleshooting chart lists common engine symptoms related
to problems with the powerhead. It also indicates specific
component failures which may be causing the problem so it can be
isolated more effectively.
Checks
Symptom
Poor crankcase seal
Ignition timing or throttle linkage
out of adjustment, see Section 2
Water entering crankcase
Defective thermostat
Fouled, defective or incorrect
spark plug; wrong gap setting
Worn or defective cylinder, piston,
rings or warped head
Blown cylinder head or engine
base gasket
Worn connecting rod or
crankshaft bearings, internal
wear limits out of specification
Defective ignition components,
see Section 7
Carbon accumulation in
combustion chamber
Hard to start or will not start
Low cylinder compressIon
Runs rough or erratically
Idles poorly
No acceleration, Fails to acheive full RPM RPM decreases
Engine overheats
Runs noisy or has excessive vibration
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TOHATSU 2 Stroke Cylinder Series Specifications

General

Brand	TOHATSU
Model	2 Stroke Cylinder Series
Category	Outboard Motor
Language	English