Yamaha XVS6501997 User Manual

4-33
CYLINDER AND PISTONS
ENG
NOTE:
NOTE:
NOTE:
NOTE:
CYLINDER AND PISTON INSTALLATION
1. Install:
S Piston ring (top ring)
1
S Piston ring (second ring)
2
D Be sure to install the piston rings so that the
manufacturer’s marks or numbers are lo-
cated on the upper side of the rings.
D Lubricate the piston and piston rings liberally
with engine oil.
2. Position:
S Top ring
1
S 2nd ring
2
S Oil ring
3
Offset the piston ring end gaps as shown.
a
Top ring end
b
Oil ring end (lower)
c
Oil ring end (upper)
d
2nd ring end
3. Install:
S Piston
1
S Piston pin
2
S Piston pin clips
3
D Apply engine oil onto the piston pin, piston
ring and piston.
D Be sure that the piston is positioned correctly,
as shown in the illustration.
a
“EX” mark
4. Lubricate:
S Piston
S Piston rings
S Cylinder
Apply a liberal coating of engine oil.
5. Install:
S Cylinder
Install the cylinder with one hand while com-
pressing the piston rings with the other hand.

Yamaha XVS6501997 Specifications

General

Year	1997
Manufacturer	Yamaha
Model	XVS650
Displacement	649 cc
Compression Ratio	9.0:1
Starting System	Electric
Transmission Type	5-speed
Front Suspension	Telescopic fork
Rear Suspension	Swingarm
Front Brake	Single disc
Rear Brake	Drum
Front Tire	100/90-19
Ground Clearance	140 mm
Horsepower	40 hp
Torque	50 Nm
Category	Cruiser
Engine Type	V-twin
Fuel System	Carburettor
Final Drive	Shaft