Sym Joyride125 User Manual

7. CYLINDER/PISTON
7-3
CYLINDER REMOVAL
Remove cylinder head (refer to chapter 6).
Remove coolant hose from cylinder head.
Remove cylinder.
Remove cylinder gasket and dowel pin.
Cover the holes of crankcase and cam chain
with a piece of cloth.
Clean up all residues or foreign materials
from the two matching surfaces of cylinder
and crankcase.
Caution
Inspection
Check if the inner diameter of cylinder is wear
out or damaged.
In the 3 positions, top, center and bottom, of
cylinder, measure the X and Y values
respective in the cylinder.
Service limit:
LA12W & LA15W:57.016 mm
LA18W:61.016 mm
Soap the residues into solvent so that the
residues can be removed more easily.
Coolant hose
Top
Center
Bottom
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Sym Joyride125 Specifications

General

Displacement	124.6 cc
Front Suspension	Telescopic Fork
Front Brake	Disc
Rear Brake	Drum
Fuel System	Carburetor
Engine Type	4-stroke, air-cooled
Bore x Stroke	52.4 mm x 57.8 mm
Starting System	Electric and kick start
Max Power	7.5 kW (10.2 PS) @ 8500 rpm