Suzuki DF350A Service Manual

General Information: 0A-14
Tightening Torque Specifications
CENHN1110107003
NOTICE
Failure to use the correct fasteners or to properly use fasteners can cause parts or system damage.
• When fasteners are removed, always reinstall them at the locations from which they were removed.
• All fasteners must be replaced with fasteners having the same part number.
If a fastener of the correct part number is not available, a fastener of the same size having equal or
higher strength may be used.
Important Fasteners
Item
Thread
diameter
Tightening torque
Nm kgf-m lbf-ft
Cylinder head cover bolt 6 mm 11 1.1 8.0
Cylinder head bolt
8 mm 23 2.3 16.5
12 mm 58 Nm (5.8 kgf-m, 42.0 lbf-ft), then plus turn in 90 degrees.
Crankcase bolt
Outside 8 mm 25 2.5 18.0
Inside 11 mm 22 Nm (2.2 kgf-m, 16.0 lbf-ft), then plus turn in 90 degrees.
Crankshaft drive gear bolt 10 mm 48 4.8 34.5
Conrod cap bolt 9 mm 68 6.8 49.0
Camshaft housing bolt 6 mm 12 1.2 8.5
Oil pump bolt 8 mm 23 2.3 16.5
IN. camshaft timing sprocket — 60 6.0 43.5
EX. camshaft timing sprocket — 78 7.8 56.5
OCV bolt 6 mm 11 1.1 8.0
Chain tensioner adjuster bolt 6 mm 11 1.1 8.0
Timing chain guide bolt 8 mm 23 2.3 16.5
Intake manifold bolt/nut 8 mm 30 3.0 22.0
Intake collector bolt/nut 8 mm 23 2.3 16.5
Intake collector cover bolt 8 mm 23 2.3 16.5
Oil pressure switch — 13 1.3 9.5
Fuel delivery pipe nut 8 mm 23 2.3 16.5
Fuel delivery pipe plug/union
bolt
Upper 14 mm 35 3.5 25.5
Lower 14 mm 35 3.5 25.5
Thermostat cover bolt 6 mm 11 1.1 8.0
Flywheel bolt 12 mm 118 11.8 85.5
Starter motor mounting bolt 8 mm 23 2.3 16.5
Engine oil filter — 14 1.4 10.0
Engine oil drain plug 12 mm 13 1.3 9.5
Power unit mounting bolt
8 mm 23 2.3 16.5
10 mm 50 5.0 36.0
Driveshaft housing bolt 10 mm 50 5.0 36.0
Upper mount nut 14 mm 100 10.0 72.5
Upper mount cover bolt 10 mm 50 5.0 36.0
Lower mount bolt/nut 14 mm 100 10.0 72.5
Clamp bracket shaft nut 7/8-14 UNF 43 4.3 31.0
Water pump case bolt 8 mm 17 1.7 12.5
Gearcase bolt
10 mm 55 5.5 40.0
12 mm 85 8.5 61.5
Propeller shaft bearing housing stopper — 200 20.0 145.0
Reverse drive gear nut — 145 14.5 105.0
Lower driveshaft convex nut — 3 0.3 2.0
Lower driveshaft concave nut — 130 13.0 94.0
Reverse-pinion convex nut — 3 0.3 2.0
Reverse-pinion concave nut — 35 3.5 25.0
Contra-pinion convex nut — 145 14.5 105.0
Contra-pinion concave nut — 85 8.5 62.0
Rear propeller nut 18 mm 55 5.5 40.0
Front propeller nut 44 mm 130 13.0 94.0

Suzuki DF350A Specifications

General

Brand	Suzuki
Model	DF350A
Category	Engine
Language	English