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Found this file posted at the yahoo forum when looking for info on a torque spec question. Might be worth making it a sticky somewhere:


Standard Torque table (* = this is a Standard Fastener Torque)
-----------------------
These dimensions are the sizes of the bolt/screw,
NOT the size of the tool to fit the nut/bolt head.

5 mm = 30- 34 in-lb* (> 3/16")
6 mm = 52- 69 in-lb* (< 1/4")
8 mm = 10- 13 ft-lb* (= 5/16")
10 mm = 19- 25 ft-lb* (< 7/16")
12 mm = 33- 45 ft-lb* (< 1/2")
14 mm = 54- 72 ft-lb* (< 9/16")
16 mm = 83-115 ft-lb* (> 5/8")
18 mm = 125-165 ft-lb* (< 3/4")
20 mm = 165-240 ft-lb* (< 13/16")

NOTE: to convert in-lb to ft-lb, divide by 12 (Ex: 60 in-lb = 5 ft-lb)
to convert ft-lb to in-lb, multiply by 12 (Ex: 8 ft-lb = 96 in-lb)
.................................................................................


Most of these torque values are from the Clymer Service Manual

If you find errors or have values not listed, email "doowriter123", and I will update the file.

Tightening Torques
==================
BRAKES:
Rear brake pedal pinch bolt . . . . 18 ft-lb
Disc bolts . . . . . . . . . . . . . 16.5 ft-lb
Front banjo bolts (ALL) . . . . . . 18 ft-lb
Front caliper bleed valve . . . . . 5.8 ft-lb
Front caliper mounting bolts . . . . 24 ft-lb
Rear brake arm bolt . . . . . . . . 13.5 ft-lb

CLUTCH / TRANSMISSION:
Clutch lock nut . . . . . . . . . . 96 ft-lb
Clutch spring (pressure plate) bolts 80 in-lb = 6.7 ft-lb
Damper cam nut . . . . . . . . . . . 89 ft-lb

COOLING SYSTEM:
Cylinder drain plugs . . . . . . . . 78 in-lb = 6.5 ft-lb
Radiator drain plug . . . . . . . . 26 in-lb = 2.2 ft-lb
Radiator mounting bolts . . . . . . 52-69 in-lb*
Thermostat housing bleed valve . . . 69 in-lb = 5.7 ft-lb

ELECTRICAL:
Rectifier/Regulator bolts . . . . . 60 in-lb = 5 ft-lb
Starter one-way clutch Allen bolts . 25 ft-lb
Stator mounting bolts . . . . . . . 52-69 in-lb*
Rotor mounting bolt . . . . . . . . 33-45 ft-lb*

ENGINE:
Balance bolts - left & right . . . . 51 ft-lb
Camshaft bearing cap bolts . . . . . 8.5 ft-lb
Chain guide bolts, upper . . . . . . 17.5 ft-lb
Chain guide tentioner bolts, upper . 11 ft-lb
Connecting rod cap nuts . . . . . . 34 ft-lb
Cylinder block nuts . . . . . . . . 18 ft-lb
Cylinder head cover bolts . . . . . 87 in-lb = 7.3 ft-lb
Cylinder head bolts . . . . . . . . 8.5 ft-lb
Cylinder head to crankcase stud nuts:
6mm preliminary . 61 in-lb = 5 ft-lb
6mm final . 11 ft-lb
10mm preliminary . 18 ft-lb
10mm final . 29 ft-lb
Cylinder head to cylinder nuts:
6mm preliminary . 78 in-lb = 6.5 ft-lb
6mm final . 11 ft-lb
8mm preliminary . 13 ft-lb
8mm final . 18 ft-lb
Engine coolant drain plugs . . . . . 78 in-lb = 6.5 ft-lb
Neutral switch . . . . . . . . . . . 19-25 ft-lb*
Oil drain plug - bottom . . . . . . 13 ft-lb
Oil screen/drain plug - side . . . . 13 ft-lb
Oil filter . . . . . . . . . . . . . 13 ft-lb
Oil line - external bolt . . . . . . 8.5 ft-lb
Oil pressure switch . . . . . . . . 11 ft-lb
Oil pressure switch bolt . . . . . . 14.5 ft-lb
Primary drive gear bolt . . . . . . 89 ft-lb
Reed valve cover bolts . . . . . . . 60 in-lb = 5 ft-lb
Shift lever pinch bolt . . . . . . . 60 in-lb = 5 ft-lb
Spark plugs . . . . . . . . . . . . 12 ft-lb
Spark plug retainer . . . . . . . . 8.5 ft-lb

EXHAUST:
Exhaust manifold cap nuts . . . . . 18 ft-lb
Muffler mount bolt & nut . . . . . . 11 ft-lb

FRAME:
Sub-frame front & rear bolts . . . . 33 ft-lb
Frame front cross-brace bolts . . . 10-13.5 ft-lb*
Seat mount bolts . . . . . . . . . . 52-69 in-lb*
Sidestand nut . . . . . . . . . . . 10-13.5 ft-lb*

FUEL SYSTEM:
Air filter cover screws . . . . . . 50 in-lb*
Fuel tank bolts . . . . . . . . . . 10-13.5 ft-lb*

FRONT SUSPENSION / STEERING:
Fork bridge bolts - lower . . . . . 18 ft-lb
Fork bridge bolts - upper . . . . . 14.5 ft-lb
Fork cap air fitting (85-89) . . . . 5.7 ft-lb
Fork drain bolt . . . . . . . . . . 69 in-lb = 5.7 ft-lb
Fork slider Allen bolt . . . . . . . 14.5 ft-lb
Front axel pinch bolt . . . . . . . 9.5 ft-lb
Front axel nut . . . . . . . . . . . 43 ft-lb
Front brake disc bolts . . . . . . . 16.5 ft-lb
Front bevel geat case bolt . . . . . 8.5 ft-lb
Handlebar holder mounting Allen bolt 17.5 ft-lb

REAR SUSPENSION / FINAL DRIVE:
Brake torque rod bolt/nut . . . . . 22 ft-lb
Final drive - bearing case bolts . . 25 ft-lb
Final drive - drain plug . . . . . . 14.5 ft-lb
Final drive - mounting nuts . . . . 17.5 ft-lb
Rear axel nut. . . . . . . . . . . . 80 ft-lb
Shock absorber nuts . . . . . . . . 26 ft-lb
Steering stem bolt . . . . . . . . . 29 ft-lb
Swing arm retainer lock nut . . . . 9.6 ft-lb
 

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Registered
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7,747 Posts
I don't like using the standard table, but the bottom 3/4 of that post is just what we need...

1 Vote for sticky post.
 

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..have a vulcan good day!
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4,508 Posts
Great Info !

:smiley_th +1
 

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What about the engine mount bolts? I lost the nut and dampener from the upper rear mount bolt and have just replaced with OEM parts. If I really tighten the nut it seems to compress the dampener so I'm thinking maybe back off a bit and use lock tite. Any ideas?
 

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609 Posts
Sounds like a plan! Thanks for the info. Stay warm, maybe we will get to ride again soon.
 

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FREEBIRDS MC CENTRAL NY
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16,078 Posts

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Where is a good place to get a torque wrench without breaking the bank. Harbor Freight has them advertise cheap but they have bad reviews, so I am hesitant about buying from there. Pep Boys has a good selection but I cannot find any reviews on them.

Sent from Motorcycle.com Free App
 

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Dr. Vulcanstein
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1,536 Posts
The pep Boys wrenches are junk.. I have an HF one, that gets used as a cheater bar becasue its not very accurate... Go with Sears or NAPA
Maybe you got a bad one? Sometimes people mess with them in the store and turn the gauge. If left at full pounds and they sit on the shelf for a while they get weak. I've got one (Hf) and it works great.
 

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Sparky!!!
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8,697 Posts
Maybe you got a bad one? Sometimes people mess with them in the store and turn the gauge. If left at full pounds and they sit on the shelf for a while they get weak. I've got one (Hf) and it works great.
Not talking about them braking, I am talking about their accuracy... at 10 lbs/ft of torque applied to the wrench, it could actually be torquing any where from 2 lb/ft to 20 lb/ft and the higher up the scale you go the worse it gets. Building engines, I can't tolerate more than .02 lb/ft of variation between pulls.

I personally only use snap-on torque wrenches, but that is only because they offer free recalibration 2 times a year. For the normal DYIer, the Craftsman torque wrenches are more than fine.
 

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Linkmeister Supreme
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7,960 Posts
Well someone has made this a sticky thread already. :)

But I do not find the specific torque values for the bolts holding the lower engine case halves together here or in my paper Clymer's manual. Maybe they are found in Ma Kaw's OEM service manual. :confused:
 
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