technická data YAMAHA XJ 550

 

Specifications and Capacitys, Typ 4V8, Bj. 1981

Engine

Engine Type
Valve steering
Valve clearance (cold) (mm)
Displacement (ccm)
Bore x Stroke (mm)
Compression Ratio
Piston clearance (mm)
Piston Ring Gap (mm)
Pistonring side clearance Top/2nd (mm)
Max. Power
Max. Torque
Lubrication System
Startind System
Transmission
Secondary drive

4-Cyl., Row, YICS
D.O.H.C.
I=0,11-0,15, E=0,16-0,20
528
57.0/51.8
9.5 : 1
0,025-0,045
?
0,03-0,07/0,02-0,06
37 kw (50 PS) at 9000/min
41.9 Nm (4,3 mkp) at 7500/min
Pressure lubricaed,Wet sump
Electric
6-Gear
Chain

Carburetor

Carburetor type
Main jet
Jet needle / Clip position
Needle Jet
Pilot air jet
Fuel level (see Service Manual) (mm)
Engine idling speed (1/min)

Mikuni BS28
112,5
?
O-8
37,5
2 +/- 1
1200 +/- 50

Chassis

Tubular steel double cradle with Front fork and rear shock absorber

Dimensions and Weight

Overall Length (mm)
Overall Width (mm)
Seat Height (mm)
min. Weight - with fuel (kg)
max. Weight (kg)
Tire Size..front
..................rear
Wheel RIM Size..front
...............................rear
Brake..front
.............rear
max. Speed (km/h)

2150
760
790
202
390
3.00 H 19-4PR
110/90-18 61H
MT1,85x19
MT2,15x18
Dual hydraulic disc, Ř267x5
Drum brake
182

Capacitys

Engine total amount (Liter)
Oil filter replacement (Liter)
Periodic Oil Change
Brake fluid
Final gear Case Oil Amount (Liter)
Fuel-tank capacity (Liter)
Front fork (inner tube, each) (ccm)

3,0 Sommer: SAE 20W40, Winter: SAE 10W30
2,6 Sommer: SAE 20W40, Winter: SAE 10W30
2,3 Sommer: SAE 20W40, Winter: SAE 10W30
min. DOT 3
0,2, SAE 80 GL 4
16 (Normal)
230 / 10W30

Electrical
(T.C.I.)

Coil Resistance / A.C. Generator (Ohm +/- 10%, 68°F)
Rectifier with regulator
Pick up Coil Resistance (Ohm +/- 10%, 68°F)
Battery type / Capazity (V / Ah)
Headlight (V / W)
Tail / Brakelight / Turnlight (V / W)
Flasher Relay

Field 4.5, Armature 0.5, Typ: LD117-03 / Hitachi
S8515
650
GS 12 N 12A-4A / 12 V/12 Ah
12 / 60/55
12 / 5/21/21
FJ245ED / NipponDenso

Ignition

Ignition System
Minimum spark gap (mm at 1/min)
Coil resistance prim/sek
...................................(Ohm +/- 10%/+/- 20%, 68°F)
Spark plug / Electrode gap (mm)
Ignition Timing (B.T.D.C.)
Starting-circuit cut-off relay

Full transistor ignition
6 / 500

2,7 / 11000, Typ: Cm12-10
NGK D 8 EA / 0,7-0,8
7 at 1050 1/min
G2MW-D-3601 / TATEISHI

Torque specifications

Cylinder Head (Nm / mkp)
Pivot shaft (Nm / mkp)
Front/Rear wheel shaft (Nm / mkp)

22 / 2,2
90 / 9,0
105 / 10,5