Cylinder Head/Valve Torque Values; Cylinder Head/Valve - Tools Neded; Cylinder Head/Valve Troubleshooting - Honda VT600C Shadow VLX Service Manual

CYL I N D E R H EAD/VALVE
TORQU E VALU E S
Cylinder head cover bolt
Camshaft holder 8 mm bolt
8 mm nut
6 mm bolt
Cylinder head 1 0 mm nut
8 mm bolt
8 mm nut
6 mm bolt
Camshaft sprocket bolt
Cam chain tensioner bolt
Oil pass pipe 7 mm bolt
8 mm bolt
TO O L S
Special
Valve guide reamer ( I N )
Valve guide reamer ( E X )
Valve guide driver attachment ( I N )
Valve guide driver attachment (EX)
Common
Valve guide driver, 5 . 5 mm ( I N )
Valve guide driver, 6 . 6 mm (EX)
Valve spring compressor
Valve seat cutter (Not available in U . S . A . )
Cutter holder I N 5 . 5 mm
EX 6 . 6 mm
Flat cutter I N 28 mm (32 ° )
E X 3 5 m m ( 32 ° )
Interior cutter I N 3 0 m m (60 ° )
E X 3 7 . 5 m m (60 ° )
Seat cutter I N 2 7 . 5 mm (45 ° )
E X 3 5 m m (45 ° )
TROUBLESHOOTI NG
Engine top-end problems are usually performance-related and can usually be diagonosed by a compressio n test.
Engine noises can usually be traced to the top-end with a sounding rod or stethoscope .
Uneven or low compression
Valves
•
- Incorrect valve adjustment
- Burned or bent valves
- I ncorrect valve timing
- Broken valve spring
Cylinder head
•
- Leaking or damaged head gasket
- Warped or cracked cylinder head
Cylinder and piston ( Refer to Section 1 0)
•
High compression
Excessive carbon build-up on piston crown or combus­
•
tion chamber
9-2
1 0 N · m ( 1 .0 kg-m, 7 . 2 ft-lb)
23 N · m (2.3 kg-m, 1 7 ft-lb)
23 N · m ( 2 . 3 kg-m, 1 7 ft-lb)
1 0 N·m ( 1 .0 kg-m , 7 . 2 ft-lb)
48 N · m (4.8 kg-m , 3 5 ft-lb)
23 N • m (2.3 kg-m, 1 7 ft-lb)
23 N · m ( 2 . 3 kg-m, 1 7 ft-lb)
1 0 N · m ( 1 .0 kg-m , 7 . 2 ft-lb)
23 N · m ( 2 . 3 kg-m, 1 7 ft-lb)
1 0 N·m ( 1 .0 kg-m, 7.2 ft-lb)
1 0 N•m ( 1 .0 kg-m, 7 . 2 ft-lb)
23 N · m (2.3 kg-m, 1 7 ft-lb)
07984 - 200000 1 o r 0 7 9 8 4 - 2 00000D
07984 -ZE2000 1 o r 0 7 9 8 4-ZE2000D
07943 - M F50 1 00
07943 - MF50200
07742 - 00 1 0 1 00
07742 - 00 1 0200 N ot available i n U . S . A . 07942 - 6 5 7 0 1 00
0 7 7 5 7 - 00 1 0000 or 07957 - 329000 1
0778 1 - 00 1 0 1 0 1
0778 1 - 00 1 020 1
07780 - 00 1 2 1 00
07780 - 00 1 2300
07780 - 00 1 4000
07780 - 00 1 4 1 00
07780 - 00 1 0200
07780 - 00 1 0400
Excessive noise
Incorrect valve adjustment
•
Sticking valve or broken valve spring
•
Damaged or worn rocker arm or camshaft
•
Loose or worn cam chain
•
Worn or damaged cam chain tensioner
•
Worn cam sprocket teeth
•
Poor idling
Compression too low
•