Torque Values - Honda BF135A Manual

7. TORQUE VALUES

• ENGINE
Lower block bolt (*1)
Crankcase bolt
Oil case bolt
Lower block orifice
Oil jet bolt
No.1 camshaft holder 10 mm sealing bolt
Cylinder head bolt (*2)
Cylinder head cover nut
Spark plug
Connecting rod bolt (*3)
Crankshaft pulley bolt
Balancer chain guide bolt
Balancer driven sprocket bolt
Balancer case assembly bolt (8 x 50 mm/8 x 75 mm)
Balancer holder bolt
Chain case special bolt
Chain case bolt
Chain case cover bolt
Cam chain tensioner bolt
Cam chain guide bolt
Cam chain guide B bolt
Cam chain tensioner arm bolt
Exhaust camshaft sprocket bolt
VTC flange bolt
Camshaft holder bolt
Camshaft collar bolt
CMP pulse plate bolt
Valve adjusting lock nut (IN side)
Valve adjusting lock nut (EX side)
Oil filter
Oil drain plug bolt
Throttle body bolt
IAC valve bolt
Injector base bolt, nut
Fuel pipe bolt
Pressure regulator nut
IAB control valve bolt
*1: Tighten the lower block bolts to 29 N . m (3.0 kgf . m, 22 lbf . ft) first, then tighten them to additional 56° (Angle method).
*2: Tighten the new cylinder head bolts to 39 N . m (4.0 kgf . m, 29 lbf . ft) (Snag torque), then tighten them to additional 278°.
(Tighten to 90° at first, then to 90°, and to 98° in this order) (Angle method).
At assembly, tighten the lower block bolts to 39 N . m (4.0 kgf . m, 29 lbf . ft) (Snag torque), then tighten them to
additional 180°. (Tighten to 90° at first, then to 90° in this order) (Angle method).
*3: Tighten the connecting rod bolts to 20 N . m (2.0 kgf . m, 14 lbf . ft) (Snag torque), then tighten them to additional 90°
(Angle method).
• SH bolt: Small head bolt.
2-7
Item
(8 x 55 mm)
(10 x 105 mm)
Thread dia. (mm)
and pitch (length)
M11 x 1.5
M8 x 1.25
M6 x 1.0
M10 x 1.25
M10 x 1.0
M8 x 0.75 (Special bolt)
M10 x 1.0 (Special bolt)
M11 x 1.5
M6 x 1.0
M14 x 1.25
M8 x 0.75 (Special bolt)
M16 x 1.5
M6 x 1.0
M10 x 1.25
M8 x 1.25
M8 x 1.25
M10 x 1.25
M6 x 1.0
M8 x 1.25
M6 x 1.0 (Special bolt)
M6 x 1.0
M6 x 1.0 (SH bolt)
M6 x 1.0
M6 x 1.0
M6 x 1.0
M8 x 1.25
M8 x 1.25 (Special bolt)
M10 x 1.25
M12 x 1.25 (Special bolt)
M8 x 1.25
M6 x 1.0
M14 x 1.0 (Special bolt)
M14 x 1.0 (Special bolt)
M7 x 0.75
M7 x 0.75
M20 x 1.5
M12 x 1.5
M8 x 1.25
M8 x 1.25
M8 x 1.25
M8 x 1.25
M18 x 1.0
M5 x 0.8
Torque value
N . m kgf . m
29 3.0
26 2.7
12 1.2
34 3.5
10 1.0
16 1.6
20 2.0
39 4.0
12 1.2
18 1.8
20 2.0
245 25.0
12 1.2
44 4.5
22 2.2
27 2.8
44 4.5
12 1.2
27 2.8
12 1.2
12 1.2
12 1.2
12 1.2
12 1.2
12 1.2
22 2.2
22 2.2
72 7.3
113 11.5
22 2.2
12 1.2
39 4.0
39 4.0
20 2.0
14 1.4
12 1.2
23 2.3
22 2.2
22 2.2
24 2.4
22 2.2
27 2.8
5.4 0.55
lbf . ft
22
20
9
25
7
12
14
29
9
13
14
181
9
33
16
20
33
9
20
9
9
9
9
9
9
16
16
53
83
16
9
29
29
14
10
9
17
16
16
17
16
20
4.0