Bolt And Nuts; Feedback) - Suzuki DF 90 Service Manual

2-20 PERIODIC MAINTENANCE
BATTERY SOLUTION LEVEL CHECK
Battery solution level should be between UPPER level and
LOWER level.
If level is low, add distilled water only.
Once the battery has been initially serviced, NEVER
add diluted sulfuric acid, or you will damage the bat-
tery. Follow the battery manufacture's instructions for
specific maintenance procedures.
BATTERY SOLUTION GRAVITY CHECK
Measure gravity of battery solution using hydrometer.
Battery solution gravity : 1.28 at 20°C
09900-28403 : Hydrometer

BOLT AND NUTS

Inspect initially after 20 hours (1 month) and every 100
hours (6 months).
Check that all bolts and nuts listed below are tightened to their
specified torque.
ITEM
Cylinder head cover bolt
Flywheel bolt
Power unit mounting bolt
Clamp bracket shaft nut
Lower mount bolt / nut
Gearcase bolt
Propeller nut
FUEL MIXTURE CHECK (O
Perform every 2 years.
To perform fuel mixture check (O
personal computer and Suzuki Diagnostic System software.
For fuel mixture check (O
Diagnostic System Operation Manual".
NOTE:
See "O FEEDBACK SYSTEM" section on page 3-34 before
2
starting O feedback operation.
2
THREAD
DIAMETER
6 mm
16 mm
8 mm
10 mm
22 mm
12 mm
10 mm
18 mm

FEEDBACK)

2
feedback) operation, use
2
feedback) operation, refer to "Suzuki
2
TIGHTENING TORQUE
N . m
kg-m
11 1.1
245 24.5
23 2.3
50 5.0
43 4.3
60 6.0
55 5.5
55 5.5
lb.-ft.
8.0
177.0
16.5
36.0
31.0
43.0
40.0
40.0