DR RV170 User Manual

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Gasoline Engine Power Output Insufficiency
TROUBLE
CAUSE
REMEDY
When incr
easing throttl
e, speed increase
slow or even decrease
and stop running
Fuel suppl
y system
Air in fuel line or fuel line clogged
Exhaust air or dredge fuel line
Main Oil flow hole is not adjusted
properly
Readjust
In carburetor, needle valve hole and
main Oil flow hole clogged.
Clean and blow to get through
Fuel cock is clogged up.
Clean, replace damaged part
Too much carbon deposit in
combusting chamber.
Clear away
Too much car bon fouling in muffler
and exhaust pipe.
Clear away
Air cleaner is clogged up.
Clean air cleaner filter element
Intake pipe is leaking
Repair or replace
Poor compression
Piston or cylinder or piston ring is
worn
Replace the worn
Air leakage from the surface by which
cylinder block contacting with cylinder
head.
Replace cylinder gasket
Too big or too small valve clearance.
Readjust
Valve tightness is poor.
Repair
Gasoline Engine Running Poorly
TROUBLE
CAUSE
REMEDY
Knocking sound
Piston, cylinder, or piston ring is worn
excessively.
Replace the worn
Piston pin and piston pin hole are worn
excessively.
Replace piston or piston pin
Tie rod small head is worn excessively.
Replace tie rod
Roller bearing for crankshaft main shaft is worn.
Replace roller bearing
Abnormal
combustion
Engine is too hot
Shoot trouble
Too much carbon deposit in combustion
chamber
Clear away
Improper gasoline brand or low gasoline quality
Replace with qualified gasoline
Spark lacking
There is water in float chamber
Clean
improper Spark Plug electrodes clearance
Adjust
Something wrong with induced coil, and so on
Check and replace damaged
parts

DR RV170 Specifications

General

Brand	DR
Model	RV170
Category	Engine
Language	English