Specifications
1. Right cylinder timing adjustment
2. Left cylinder timing
adjurtment
F. Spark plug
Check electrode condition and wear, insulator
color and electrode gap. Use a wire gauge for
a adjusting the plug gap. If the electrodes
become too worn, replace it.
When installing the plug, always clean the
gasket surface, wipe off any grime that might
be present on the surface of the spark plug,
and torque the spark plug properly.
Standard spark plug:
N-7Y (CHAMPION) or
BP7ES
(NGK)
Spark plug gap:
0.7
-
0.8 mm (0.028
-
0.031 in)
Spark plug tightening torque:
2.0 m-kg (14.5 ft-lb)
(PAGE 22
-
29)
33. INSPECTION AND REPAIR
D. Valve spring
1. Checking the valve springs
d. Valve spring specifications
Specifications should be changed as
follows:
Installed length
35 mm
37 mm
(Valve
closad)
(1.378
in)
(1.457
in)
compraued
press”re
25.3-28.1 kg
53.5-81.5 kg
Waive
openl
(55.8-82.0
lb1
(118.0 -135.6
lb)
Compressed
length
25.5 mm
27.5 mm
Waive
open)
(1.0&l in)
(1.083 in)
Allowable tilt from 1.6 mm or
2.5’
-
vertical
(0.063 in)
(PAGE 29
-
33)
3-4. ENGINE ASSEMBLY AND ADJUSTMENT
0. Engine
Specifications should be changed as
Engine mounting bolt
torCWe:
Upper
Kl
Nut)
M8
1.8 m-kg
(13.0ft-lb)
Upper
Ml0
3.0 m-kg (21.7 ft-lb)
Front
(U
Nut) Ml0
4.6 m-kg (33.3 ft-lb)
Rear
(U
Nut) Ml0
4.1 m-kg (29.7 ft-lb)
Rear
-
under
(U
Nut)
Ml0
4.6 m-kg (33.3 ft-lb)
Under
(U
Nut)
Ml0
9.0 m-kg (65.1 ft-lb)
(PAGE 39
-
40)
5-1. FRONT WHEEL
C. Front wheel inspection
1. Check for cracks, bends or
warpage
of
wheels. If a wheel is deformed or crack-
ed, it must be replaced.
NOTE:
These aluminum wheels are not designed for
use with tubeless tires.
2.
3.
Check wheel run-out
If deflection exceeds tolerance, check
wheel bearing or replace wheel as required.
Check wheel balance
Rotate wheel lightly several times and
observe resting position.
If wheels is not statically balanced,
wheel will come to rest at the same
po-
sition. Install balance weight at lighter
position (at top) as illustrated.
NOTE:
The wheel should be balanced with brake disc
installed.
-
115-
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