Vespa GT 125 User Manual

Cylinder - piston assy.
ENGINE 125 COUPLING CATEGORIES
Name
Initials Cylinder Piston Play on fitting
Cylinder A 56.997 ÷ 57.004 56.945 ÷ 56.952 0.045 - 0.059
Cylinder B 57.004 ÷ 57.011 56.952 ÷ 56.959 0.045 - 0.059
Piston C 57.011 ÷ 57.018 56.959 ÷ 56.966 0.045 - 0.059
Piston D 57.018 ÷ 57.025 56.966 ÷ 56.973 0.045 - 0.059
Cylinder 1st Oversize A1 57.197 ÷ 57.204 57.145 ÷ 57.152 0.045 - 0.059
Cylinder 1st Oversize B 1 57.204 ÷ 57.211 57.152 ÷ 57.159 0.045 - 0.059
Piston 1st Oversize C 1 57.211 ÷ 57.218 57.159 ÷ 57.166 0.045 - 0.059
Piston 1st Oversize D 1 57.218 ÷ 57.225 57.166 ÷ 57.173 0.045 - 0.059
Cylinder 2nd Oversize A2 57.397 ÷ 57.404 57.345 ÷ 57.352 0.045 - 0.059
Cylinder 2nd Oversize B 2 57.404 ÷ 57.411 57.352 ÷ 57.359 0.045 - 0.059
Piston 2nd Oversize C 2 57.411 ÷ 57.418 57.359 ÷ 57.366 0.045 - 0.059
Piston 2nd Oversize D 2 57.418 ÷ 57.425 57.366 ÷ 57.373 0.045 - 0.059
Cylinder 3rd Oversize A 3 57.597 ÷ 57.604 57.545 ÷ 57.552 0.045 - 0.059
Cylinder 3rd Oversize B 3 57.604 ÷ 57.611 57.552 ÷ 57.559 0.045 - 0.059
Piston 3rd Oversize C 3 57.611 ÷ 57.618 57.559 ÷ 57.566 0.045 - 0.059
Piston 3rd Oversize D 3 57.618 ÷ 57.625 57.566 ÷ 57.573 0.045 - 0.059
Vespa GT 125-200 Characteristics
CHAR - 15

Vespa GT 125 Specifications

General

Displacement	124 cc
Transmission	Automatic CVT
Rear Brake	140 mm drum
Seat Height	790 mm
Engine Type	Single cylinder, 4-stroke
Cooling System	Air-cooled
Fuel System	Electronic injection
Front Suspension	Single arm with coil spring and hydraulic shock absorber
Rear Suspension	hydraulic shock absorber