Torque Settings
by Location

2 Dec 2018


Auto advance unit
70-8828 / E8828
Bolt
UNF 1/4-26?28?TPI x 2 3/16
(2" U.H., 3/4" thread) (Tool-1/2)
Ref# 9   Fig.  6 Page 23 #7 (Qty:1)
 Auto advance unit
 Torque: 8 LBS



Clutch securing nut
21-0586 / S586
Nut, locking
UNF 9/16-18TPI (Tool-Lock-plate & 7/8")
Ref# 1   Fig. 10 Page 31 #7 (Qty:1)
 Clutch securing nut
 Torque: 50 LBS
 ¹ Renew after removing



Con rod
70-6576 / E6576
Bolt
UNF 5/16-24TPI
Ref# 10  Fig.  1 Page 13 #7 (Qty:4)
 Con rod
 Torque: 28 LBS


21-2016 / S549
Nut, locking
UNF 5/16-24TPI
Ref# 11  Fig.  1 Page 13 #7 (Qty:4)
 Con rod
 Torque: 28 LBS



Crankcase, forward
70-4856 / E4856
Stud
BS 5/16-26TPI X 5 1/16 O.A.
Ref# 33  Fig.  2 Page 15 #7 (Qty:1)
 Crankcase, forward
 Torque: 20 LBS
 ¹ No 3 crankcase junction stud


70-2888 / E2888
Stud
BS 5/16-26TPI X 3 7/8 O.A.
Ref# 34  Fig.  2 Page 15 #7 (Qty:2)
 Crankcase, forward
 Torque: 20 LBS
 ¹ No 2 crankcase junction stud



Crankcase, front
70-5963 / E5963
Stud
BS 5/16-26TPI X 4 3/4 O.A.
Ref# 50  Fig.  2 Page 15 #7 (Qty:1)
 Crankcase, front
 Torque: 20 LBS
 ¹ No 1 crankcase junction stud



Crankshaft, D.S.
70-3977 / E3977
Nut, shouldered
BS 7/16-26TPI
Ref# 25  Fig.  1 Page 13 #7 (Qty:1)
 Crankshaft, D.S.
 Torque: 30 LBS
 ¹ Lock clutch basket, not brake for accurate torque reading



Crankshaft, flywheel
70-3907 / E3907
Bolt
Ref# 6   Fig.  1 Page 13 #7 (Qty:3)
 Crankshaft, flywheel
 Torque: 33 LBS



Crankshaft, T.S.
70-4565 / E4565
Nut
UNKNOWN 3/4" (Tool-9/16BS 1/2W)
Ref# 28  Fig.  1 Page 13 #7 (Qty:1)
 Crankshaft, T.S.
 Torque: 30LBS



Cylinder block base
21-0692 / S692  (8 Spares)
Nut
UNF 3/8-24TPI 12 points
Ref# 3   Fig.  5 Page 21 #7 (Qty:8)
 Cylinder block base
 Torque: 35 LBS



Cylinder head
70-0327 / E327  (4 Spares)
Bolt, head
BS 3/8-26TPI X 3 3/8 U.H. (Tool-3/8BS-5/16W)
Ref# 25  Fig.  5 Page 21 #7 (Qty:4)
 Cylinder head
 Torque: 18 LBS


70-4771 / E4771
Bolt, head
BS 5/16-26TPI X 3 U.H. (Tool-5/16BS - 1/4W)
Ref# 27  Fig.  5 Page 21 #7 (Qty:1)
 Cylinder head
 Torque: 15 LBS


N3
Spark plug
13mm-3/4"Reach; Gap .025" (.020 Maint/Repair 650/750 Twins)
Ref# 18  Fig. 35 Page 77 #7 (Qty:2)
 Cylinder head
 Torque: 25 LBS
 ¹ Champ N3/N3C
NGK B7ES/B8ES Denso W24ESU


70-1596 / E1596  (4 Spares)
Bolt, head
BS 3/8-26TPI X 5 7/8 U.H. (Tool-3/8BS-5/16W)
Ref# 38  Fig.  5 Page 21 #7 (Qty:4)
 Cylinder head (torque stays)
 Torque: 18 LBS



Engine mount plates, stud 39/21
82-7389 / F7389
Nut
(Tool-3/4)
Ref# 41  Fig. 14 Page 39 #7 (Qty:2)
 Engine mount plates, stud 39/21
 Torque: 100 LBS


14-1445
Stud
UNC/UNF 3/8-16TPI/24TPI X 4 1/2 O.A.
Ref# 19  Fig.  2 Page 15 #7 (Qty:1)
 Engine mount, beneath timing cover
 Torque: 20 LBS
 ¹ No 4 crankcase junction stud



Front brake cam spindle
14-0302
Nut, plain
UNF 5/16-24TPI (Tool-1/2)
Ref# 27  Fig. 19 Page 49 #7 (Qty:2)
 Front brake cam spindle
 Torque: 20 LBS



Headlight shell
112201
Bolt, pivot
Ref# 13  Fig. 36 Page 79 #7 (Qty:2)
 Headlight shell
 Torque: 10 LBS
 (Model: T120R-TR6R)



Kickstarter ratchet
21-0594 / S594
Nut
UNF 9/16-18TPI Thin (Tool-13/16")
Ref# 26  Fig.  8 Page 27 #7 (Qty:1)
 Kickstarter ratchet
 Torque: 45 LBS
 ¹ Blue Loctite



Lower engine mount
14-6242
Bolt
UNC 3/8-16TPI X 4 U.H.
Ref# 49  Fig.  2 Page 15 #7 (Qty:1)
 Lower engine mount
 Torque: 13 LBS
 ¹ Crankcase junction bolt



Lower fork leg spindle
14-0218
Bolt
UNF 5/16-24TPI X 1 7/16 U.H.
Ref# 38  Fig. 17 Page 45 #7 (Qty:4)
 Lower fork leg spindle
 Torque: 25 LBS
 ¹ #7 p39/Ref30 says 1 5/16 U.H.



Mainshaft, gearbox sprocket
57-0440 / T440
Nut
BS 1 1/4" (Tool-Z63)
Ref# 14  Fig.  8 Page 27 #7 (Qty:1)
 Mainshaft, gearbox sprocket
 Torque: 50 LBS
 ¹ Remove w. torque wrench if difficult



Oil pump
21-1906 / S1906
Nut, conical
UNF 1/4-28TPI
Ref# 12  Fig.  3 Page 17 #7 (Qty:2)
 Oil pump
 Torque: 5 LBS



Primary chaincase cover (stator studs)
21-0544 / S544
Nut, domed
UNF 5/16-24TPI (Tool-1/2")
Ref# 36  Fig. 11 Page 33 #7 (Qty:2)
 Primary chaincase cover (stator studs)
 Torque: 10 LBS



Rear brake cam lever
S1-52
Nut
BS 3/8-26TPI Thin (Tool-3/8BS 5/16W)
Ref# 34  Fig. 20 Page 51 #7 (Qty:1)
 Rear brake cam lever
 Torque: 20 LBS



Rear wheel spindle, outside, left and right
82-1747 / F1747
Nut, plain
3/4"
Ref# 44  Fig. 20 Page 51 #7 (Qty:2)
 Rear wheel spindle, outside, left and right
 Torque: 100 LBS



Rocker box
21-1875 / S1875
Bolt
UNC 1/4-20TPI X 2 5/32 U.H. (Tool-3/16W 1/4BS)
Ref# 36  Fig.  5 Page 21 #7 (Qty:4)
 Rocker box
 Torque: 5 LBS
 ¹ Spares: modern bolt


82-0879 / F879
Nut
BS 1/4-26TPI (Tool-1/4BS 3/16W open)
Ref# 34  Fig.  5 Page 21 #7 (Qty:6)
 Rocker box mount stud
 Torque: 5 LBS



Rocker oil feed pipe
70-1435 / E1435
Nut, domed
BS 3/8-26TPI (Tool-3/8BS 5/16W)
Ref# 34  Fig. 23 Page 55 #7 (Qty:2)
 Rocker oil feed pipe
 Torque: 22 LBS
 ¹ Changed to 24TPI (UNF) in 1973; beware of mismatches



Stanchion tube
97-2290 / H2290
Bolt, pinch
UNF 3/8-24TPI X 2 1/4 U.H. (Tool-9/16)
Ref# 4   Fig. 17 Page 45 #7 (Qty:2)
 Stanchion tube
 Torque: 25 LBS


97-2245 / H2245
Nut
1 1/2" across flats
Ref# 33  Fig. 17 Page 45 #7 (Qty:2)
 Stanchion tube cap
 Torque: 80 LBS


14-1303
Nut, locking
UNF 3/8-24TPI thin Cleveloc (Tool-9/16)
Ref# 6   Fig. 17 Page 45 #7 (Qty:2)
 Stanchion tube pinch bolt 45/4
 Torque: 25 LBS



Stator studs
14-0702
Nut, locking
UNF 5/16-24TPI thin Philidas (Tool-13mm deep socket)
Ref# 23  Fig. 11 Page 33 #7 (Qty:3)
 Stator studs
 Torque: 20 LBS



Swinging fork
21-0620 / S620
Bolt
BS 9/16-?20TPI/16TPI X 8 5/8 U.H. (Tool-7/8)
Ref# 8   Fig. 13 Page 37 #7 (Qty:1)
 Swinging fork
 Torque: 45 LBS
 Orient: Bolt head to T.S.


21-0545 / S545
Nut
UNC 9/16-12TPI (Tool-15/16)
Ref# 10  Fig. 13 Page 37 #7 (Qty:1)
 Swinging fork, bolt 37/8
 Torque: 45 LBS



Timing cover
60-2133 / D2133
Switch, oil pressure
27tpi 1/8"NPS(Straight) but very early '69 1/8"NPT(Tapered)
Ref# 23  Fig.  6 Page 23 #7 (Qty:1)
 Timing cover
 Torque: DON'T OVR!
 ¹ Early ones from Smith are tapered, but later Veglia tapered



Upper yoke
21-0684 / S684
Bolt, pinch
UNF 3/8-24TPI X 1 11/16 U.H.
Ref# 15  Fig. 17 Page 45 #7 (Qty:1)
 Upper yoke
 Torque: 15 LBS


21-0685 / S685
Nut, seated
UNF 3/8-24TPI
Ref# 16  Fig. 17 Page 45 #7 (Qty:1)
 Upper yoke pinch bolt
 Torque: 15 LBS



Zener diode
99-0590 LUCAS 49345 (1 Spares)
Zener diode
Ref# 43  Fig. 35 Page 77 #7 (Qty:1)
 Zener diode
 Torque: 1.5 LBS



EOF