80GX
EVO30070101 Crankcase
EVO30070202 Front Bearing
EVO30070203 Rear Bearing
EVO30070204 Packing
EVO30070206 Crankshaft Retaining Ring
EVO30070301 Rear Cover
EVO30010302 Rear Cover Screw Set
EVO30070303 Rear Cover O-Ring
EVO30940304 Pressure Nozzle
EVO30940305 Pressure Nozzle Gasket
EVO30070401 Cylinder
EVO30010402 Cylinder Screw Set
EVO30010403 Cylinder Nut
EVO30070404 Cylinder Gasket
EVO30010405 Exhaust Screw Set
EVO30010406 Exhaust Nut
EVO30070407 Exhaust Flange Gasket
EVO30070701 Piston
EVO30070702 Piston Ring
EVO30070801 Piston Pin
EVO30070802 Piston Pin Retainer
EVO30070951 Connecting Rod
EVO30010904 Connecting Rod Washer
EVO30071001 Crankshaft
EVO30050102 Crankcase Screw Set
EVO3007i1101 Prop Drive Washer 80GX
EVO30041102 Drive Washer Key
EVO30011103 Propeller Nut
EVO30071104 Propeller Washer
EVO30011105 Propeller Screw
EVO30101107 Propeller Screw Set
EVO30070306 Carburetor Flange
EVO30010307 Carburetor Flange Gasket
EVO30070308 Carburetor Flange Screw Set
EVO30101301 Reed Valve Case
EVO30101302 Reed Valve
EVO30011303 Reed Valve Screws
EVO30101304 Reed Valve Gasket (Upper)
EVO30101305 Reed Valve Gasket (Bottom)
EVO30101306 Reed Valve Strap
EVO30071307 Carburetor Bolt/Screws (2pcs)
EVO3314LB Electronic Ignition Unit Type 2
EVO30013309 Spark Plug (Sm Cap)
EVO30941405 Ignition Sensing Fixing Screws
EVO3227 Carburetor
Part # Description Part # Description Part # Description
If the engine does not start
- check and use a new spark plug if needed.
(Check the spark: Put the plug into the cable end and by turning
the engine you’ll see the necessary spark. Note: The plug must
touch a metal part of the engine.)
- check fuel lines.
- check for proper mechanical function by turning the
engine over.
- check that the carburetor is correctly installed.
- remove the carburetor cover from the feed side; check
the filter and blow off carburetor with compressed air
( CAUTION: When using compressed air, use eye protection.);
when reassembling be careful to maintain the proper order of
the components.
- check the vacuum feed line.
Mechanical Faults
If the engine can not be turned over easily
- a likely cause is the piston in the cylinder is seized: loosen
and unscrew the cylinder bolts.
- carefully remove the cylinder.
- visually examine the piston and crankcase to find the likely cause
of the engine’s mechanical problem.
Note: Mechanical repairs must always be completed by a professional
service department.
Troubleshooting Guide
Engine Specifications
80GX Evolution Engine Dimensions
Bore
Stroke
Displacement
Weight without ignition*
Weight of ignition unit
48mm
44mm
80cc / 4.9 cu in
2220 g / 78.3 oz
190 g / 6.7 oz
RPM range
Fuel
Lubrication Break-in
Lubrication/Standard
1000–7500 rpm
Unleaded 91-octane
Oil with gasoline
in mixture 1:30
Oil with gasoline
in mixture 1:40
* The value in the table above stands for the weight of a completely assembled engine, including the spark plug, carburetor, drive washer
and prop screws.
A B C D E
mm mm mm mm mm
157 148 83 90 90
F G H I J
mm mm mm mm mm
6.6 M10x1 55 26 204
(72 Seiten)
(24 Seiten)
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