C.2
TE 250 - 310 2012 I.E. / TE 250 - 310 2012 I.E. USA
TC 250 2012 - TC 250 2012 I.E. USA
TXC 250 - 310 2012 I.E. USA
TROUBLESHOOTING
Workshop Manual Ed. 12-2011
ENGINE
Trouble
Cause
Remedy
Engine does not start or
Insufficient compression
has starting trouble
1. Piston seized
Replace
2. Connecting rod small or big end seized
Replace
3. Worn piston rings
Replace
4. Worn cylinder
Replace
5. Cylinder head loosely tightened
Tighten
6. Head gasket leaking
Replace
7. Spark plug loose
Tighten
8. Incorrect valve clearances
Adjust
9. Weak or seized valve springs
Replace
10. Seized valves
Replace
Weak or no spark
1. Spark plug faulty
Replace
2. Fouled or wet spark plug
Clean or dry
3. Spark plug electrode gap too wide
Adjust
4. Ignition coil faulty
Replace
5. High-tension cables open circuit or shorted
Check
6. Electronic control unit faulty
Replace
7. Right-hand switch faulty (TE - TXC)
Replace
Engine stalls
1. Fouled spark plug
Clean
easily
2. Electronic control unit faulty
Replace
3. Carburettor jets clogged
Clean
4. Low idle
Adjust
Engine is noisy
Noise seems to come from piston
1. Too much piston-to-cylinder clearance
Replace
2. Worn piston rings or piston grooves
Replace
3. Too much carbon build-up in
combustion chamber or on piston crown
Clean
4. Valve clearances too large
Adjust
5. Weak or seized valve springs
Replace
6. Worn timing chain
Replace
7. Incorrect timing chain tension
Adjust
Noise seems to come from crankshaft
1. Worn main bearings
Replace
2. Connecting rod big end has too much side clearance or end float Replace
3. Crankshaft gear damaged
Replace
4. Crankshaft locknut loose
Tighten
Noise seems to come from the clutch
1. Worn plates
Replace
2. Too much clearance between clutch housing and friction plates
Replace
Noise seems to come from gearbox
1. Worn gears
Replace
2. Worn gear grooves
Replace
Noise seems to come
1. Chain stretched (worn) or improperly adjusted
Replace or adjust
from secondary drive
2. Worn transmission sprocket and rear chain sprocket
Replace
chain