Kawasaki WORKHORSE 250 (2003) [23/322] Periodic maintenance 2 3

Kawasaki WORKHORSE 250 (2003) [23/322] Periodic maintenance 2 3
PERIODIC MAINTENANCE 2-3
Torque and Locking Agent
The following tables list the tightening torque for the major fasteners, and the parts requiring use of
a non-permanent locking agent or liquid gasket.
Letters used in the “Remarks” column mean:
L: Apply a non-permanent locking agent to the threads.
MO: Apply molybdenum disulfide oil solution (mixture of the engine oil and molybdenum disulfide
grease in a weight ratio 10 : 1).
S: Tighten the fasteners following the specified sequence.
St: Stake the fasteners to prevent loosening.
The table below, relating tightening torque to thread diameter, lists the basic torque for the bolts and
nuts. Use this table for only the bolts and nuts which do not require a specific torque value. All of the
values are for use with dry solvent-cleaned threads.
Basic Torque for General Fasteners
Threads Torque
dia. (mm) N·m kgf·m ft·lb
5 3.4 4.9 0.35 0.50 30 43 in·lb
6 5.9 7.8 0.60 0.80 52 69 in·lb
8 14 19 1.4 1.9 10.0 13.5
10 25 34 2.6 3.5 19.0 25
12 44 61 4.5 6.2 33 45
14 73 98 7.4 10.0 54 72
16 115 155 11.5 16.0 83 115
18 165 225 17.0 23.0 125 165
20 225 325 23 33 165 240
Torque
Fastener
N·m
kgf·m ft·lb
Remarks
Fuel Sytem
Carburetor Holder Bolts 11 1.1 95 in·lb L
Throttle Lever Bolt 5.9 0.6 52 in·lb
Engine Top End
Cylinder Head Bolts (M10), first torque
13 1.3 113 in·lb
L(1), MO, S
Cylinder Head Bolts (M10), final torque
34 3.5 25
S
Cylinder Head Bolts (M6), first torque 5.9 0.6 52 in·lb MO, S
Cylinder Head Bolts (M6), final torque 9.8 1.0 87 in·lb S
Valve Adjusting Cap Bolts 8.8 0.9 78 in·lb
Retaining Bolt 4.4 0.45 39 in·lb
Compression Releasing Lever Bolt 8.8 0.9 78 in·lb
Camshaft Sprocket Bolt 34 3.5 25 MO
Rear Camshaft Chain Guide Bolt 9.8 1.0 87 in·lb
Camshaft Chain Tensioner Mounting Bolts
8.8 0.9 78 in·lb
Valve Adjusting Screw Locknuts
12 1.2 104 in·lb
Rocker Shaft Retainer Screws 4.4 0.45 39 in·lb
Camshaft Chain Guard Screws 4.4 0.45 39 in·lb
Engine Right Side
Right Engine Cover Bolts 8.8 0.9 78 in·lb

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