Faulty coil. Due to the presence of
high voltage, this check should
only be carried out by an expert
Contact an
Authorised Service
Centre.
LACK OF COMPRESSION
Loose spark plug
Screw in the spark plug tightly
Cylinder head loose, piston gas
rings worn
Contact an
Authorised Service
Centre.
Valve stuck
Contact an
Authorised Service
Centre.
HIGH FUEL CONSUMPTION AND BAD
PERFORMANCE
Air filter blocked or dirty
Contact an
Authorised Service
Centre.
INSUFFICIENT BRAKING
Disc greasiness. Worn brake pads.
Faulty braking system. Air in the
front and rear brake circuits
Contact an
Authorised Service
Centre.
83
3 Maintenance
Summary of Contents for Vespa GTS 300 HPE 2019
Page 4: ...4...
Page 7: ...Vespa GTS 300 hpe Chap 01 Vehicle 7...
Page 8: ...Dashboard 01_01 01_01 8 1 Vehicle...
Page 10: ...01_02 A Speedometer 10 1 Vehicle...
Page 37: ...Vespa GTS 300 hpe Chap 02 Use 37...
Page 50: ...50 2 Use...
Page 51: ...Vespa GTS 300 hpe Chap 03 Maintenance 51...
Page 85: ...Vespa GTS 300 hpe Chap 04 Technical data 85...
Page 86: ...Data 04_01 04_01 86 4 Technical data...
Page 91: ...Vespa GTS 300 hpe Chap 05 Spare parts and accessories 91...
Page 94: ...94 5 Spare parts and accessories...
Page 95: ...Vespa GTS 300 hpe Chap 06 Scheduled maintenance 95...
Page 99: ...Vespa GTS 300 hpe Chap 07 Special fittings 99...
Page 101: ...101 7 Special fittings...
Page 102: ...102 7 Special fittings...