Engine - ATV 250 Service Manual

(II) Engine
Torque value of fastener
Locking component and
location of ATV body
Observing screw hole of cylinder head
Cylinder head
Cylinder head and cylinder
Sprocket cover
Valve cover
Bearing stop plate of camshaft
Spark plug
Cylinder
Balancing shaft gear
Starting ratchet disc
Locking nut(adjusting screw of valve clearance)
Cam timing sprocket
Chain tensioner
Chain tensioner cover
Upper guide plate of chain
Oil pump
Oil draining screw plug
Fine filter cover of engine oil(drainingoil)
Fine filter cover of engine oil
Carburetor seat and cylinder head
Carburetor and carburetor seat
Carburetor and carbuetor connecting pipe
Air filter box and carburetor connecting pipe
Air filter box and intake pipe
Silencer and frame
Silencer and exhaust pipe
Name of Size of
Q'ty
component thread
M6
Cap shaped nut
Flange bolt
M8
Bolt
M8
Screw
M6
Bolt
M6
Bolt
M6
Nut
M12
Bolt
M6
Nut
M14¡Á1.0
Bolt
M10¡Á1.25
Nut
M6
Bolt
M10
Bolt
M6
Bolt
M6
Bolt
M6
Screw
M6
Plug
M35
Bolt
M6
Bolt
M6
Bolt
M6
Bolt
M6
Hose clip
M5
Hose clip
M5
Hose clip
M5
Bolt
M8
Bolt
M8
Tightening torque of
fastener of ATV body
Remark
Nm m.kg ft.lb
1
7 0.7 5.1
Apply oil
4
22 2.2 16
to washer
2
22 2.2 16
2 7 0.7 5.1
5
10 1 7.2
Apply oil
2
8 0.8 5.8
to washer
1
17.5 1.75 12.5
2
10 1 7.2
Apply oil
1
50 5 36
to washer
1 50 5 36
2 14 1.4 10
1
60 6 43
2
10 1 7.2
1 7 0.7 5.1
2
8 0.8 5.8
3
7 0.7 5.1
1 43 4.3 31
1
10 1 7.2
2
10 1 7.2
Twist with cable
2
12 1.2 8.7
guide part
2
12 1.2 8.7
1
2 0.2 1.4
1
2 0.2 1.4
1
2 0.2 1.4
2
34 3.4 25
1
20 2 1.4
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