Yamaha SR500E 1978 Service Manual page 50

( P A G E 1 4 5 N 1 5 9 )
S P E C l F I C A T I O N S
G e n e r a l specifications
Items Required < A I I o w a b l e »
Model:
I.B.M. No
Frame I.D. and starting number
Engine I.D. and starting number
Dimension:
Overall length
Overall width (standard)
Overall heïght (standard)
Wheel base
Minimum ground clearance
2J2
2J2-000101
2J2-000101
2,105 mm (82.9 in)
835 mm (32.9 in)
1,150 mm (45.3 in)
1,410 mm (55.5 in)
1 6 5 m m ( 6.5 in)
Weight:
Net weight 163 kg (359 lb)
Performance:
Climbing ability
Minimum turning radius
Braking distance
30 °
2,400 mm (94.5 in)
14 m (45.9 ft) at 50 km/h (31 mph)
Engine specifications
Items Required < A I I o w a b l e »
Description:
Engine type
Engine model
Displacement
Bore x stroke
Compression ratio
Starting system
Ignition system
Lubrication system
Cylinder head:
Combustion chamber type
Combustion chamber volume
(with BP7ES or N-7Y)
Head gasket thickness
Camshaft:
Cam drive type
Camshaft bearing type (left)
Camshaft bearing type (right)
Cam chain type and No. of links
Cam dimensions:
A (Cam height) IN.
A (Cam height) EX.
B (Base circle) IN.
Air cooled 4-stroke, forward incline, single, S.O.H.C.
2J2
499 cc (30.45 cu.in)
87 x 84 mm (3.425 x 3.307 in)
9 . 0 : 1
Primary kick starter
C.D.I.
Dry sump system
Dome
62.4 cc (3.81 cu.in)
1.0 mm (0.039 in)
Drivechain(rightsidedrive)
6005C3
6 0 0 5 C 3 ( w i t h g r o o v e )
BFO5M, IO6L
39.23 + 0.05 mm < 3 9 . 0 8 m m »
(1.5445 + 0 . 0 0 2 0 in < 1 . 5 3 8 6 in»)
39.25 + 0.05 mm < 3 9 . 1 0 m m »
(1.5453 + 0 . 0 0 2 0 in 4 1 . 5 3 9 4 in>>)
32.23 + 0.05 mm < 3 2 . 0 8 m m »
(1.2689 + 0 . 0 0 2 0 in < 1 . 2 6 3 0 in>>)
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