Honda XL200 2001, Руководство по ремонту

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TORQUE VALUES
Valve adjusting hole cap 15 N.m (1,5 kg.m, 11 ft-lb)
Valve adjusting screw lock nut 14 N.m (1,4 kg.m, 10 ft-lb)
Cylinder head cover 8 mm cap nut 27 N.m (2,7 kg.m, 20 ft-lb)
Cylinder head cover 6 mm socket bolt 10 N.m (1,0 kg.m, 7 ft-lb)
Cam sprocket bolt 12 N.m (1,2 kg.m, 9 ft-lb)
Cam chain tensioner lifter mounting bolt 12 N.m (1,2 kg.m, 9 ft-lb)
Cam chain tensioner lifter sealing screw 4 N.m (0,4 kg.m, 3 ft-lb)
Timing hole cap 6 N.m (0,6 kg.m. 4 ft-lb)
Crankshaft hole cap 8 N.m (0,8 kg.m, 6 ft-lb)
TOOLS
Valve guide reamer, 5.485 mm 07984-0980001
Valve guide driver, 5,5 mm 07742-0010100BR
Valve spring compressor 07757-0010000BR
TROUBLESHOOTING
• Engine top-end problems usually affect engine performance. These can be diagnosed by a compression or leak down test,
or by tracing noises to the top-end with a sounding rod or stethoscope.
• If the performance is poor at low speeds, check for white smoke in the crankcase breather tube. If the tube is smoky, check
for a seized piston ring.
Compression too low, hard starting or poor per- Excessive smoke
formance at low speed • Worn valve stem or valve guide
• Valves • Damaged stem seal
– Incorrect valve adjustment • Faulty cylinder or piston (Section 7)
– Burned or bent valves
– Incorrect valve timing
Excessive noise
– Broken valve spring • Incorrect valve clearance
– Weak valve spring • Sticking valve or broken valve spring
• Cylinder head • Worn or damaged push rod
– Leaking or damaged cylinder head gasket • Loose or worn cam chain
– Warped or cracked cylinder head • Worn or damaged cam chain tensioner
• Faulty cylinder/piston (Section 7) • Worn cam sprocket teeth
• Worn rocker arm and/or shaft
Compression too high, overheating or knocking • Faulty cylinder or piston (Section 7)
• Excessive carbon build-up in cylinder or on top of
piston Rough idle
• Low cylinder compression
• Intake air leak
XL2 0 0
6-2
CYLINDER HEAD/VALVES