11-3
11
Problem: Engine noisy (Noise seems to come from crankshaft)
Condition
Remedy
1.
Bearing
worn - burned
1. Replace bearing
2.
Lower rod-end bearing
worn - burned
2. Replace bearing
3.
Connecting rod side clearance
too large
3. Replace thrust washer(s)
Problem: Engine noisy (Noise seems to come from transmission)
Condition
Remedy
1.
Gears
worn - rubbing
1. Replace gears
2.
Splines
worn
2. Replace shaft(s)
3.
Primary gears
worn - rubbing
3. Replace gears
4.
Bearings
worn
4. Replace bearings
5.
Bushing
worn
5. Replace bushing
Problem: Engine noisy (Noise seems to come from secondary-transmission/right-side cover)
Condition Remedy
1.
Gears - shaft(s)
worn
1. Replace gears - shafts
2.
Bearing(s)/bushing(s)
damaged
2. Replace bearing(s)/bushing(s)
Problem: Engine noisy (Noise seems to come from secondary bevel gear and final driven shaft)
Condition
Remedy
1.
Drive - driven bevel gears
damaged - worn
1. Replace gears
2.
Backlash
excessive
2. Adjust backlash
3.
Tooth contact
improper
3. Adjust contact
4.
Bearing
damaged
4. Replace bearing
5.
Gears
worn - rubbing
5. Replace gears
6.
Splines
worn
6. Replace shaft(s)
7.
Final driven shaft thrust clearance
too large
7. Replace thrust washer(s)
Problem: Centrifugal clutch slipping
Condition Remedy
1.
Clutch shoes
worn
1. Replace shoes
2.
Clutch housing
excessively worn
2. Replace clutch housing
3.
Drive belt
slipping - worn
3. Replace drive belt
Problem: Secondary-transmission will not shift or shift back
Condition Remedy
1.
Sliding dog
broken - worn
1. Replace dog
2.
Gearshift fork
broken - worn
2. Replace fork
3.
Hi/Low shift lever
out of adjustment
3. Adjust lever
4.
Gearshift cam
worn
4. Replace cam
5.
Cam stopper spring
weak
5. Replace spring
6.
Gearshift fork shaft
worn
6. Replace shaft
7.
Engine idle
too high
7. Adjust engine idle
8.
Shift linkage
out of adjustment
8. Adjust shift linkage
Problem: Engine idles poorly
Condition
Remedy
1.
Valve clearance
out of adjustment
1. Adjust clearance
2.
Valve seating
poor
2. Replace - service seats - valves
3.
Valve guides
defective
3. Replace guides
4.
Rocker arms - arm shaft
worn
4. Replace arms - shafts
5.
Magneto
defective
5. Replace magneto
6.
CDI unit
defective
6. Replace CDI unit
7.
Spark plug
fouled -
gap
too wide
7. Adjust gap - replace plug
8.
Ignition coil
defective
8. Replace ignition coil
9.
Float
out of adjustment
9. Adjust float height
10.
Jets
obstructed
10. Clean jets
11.
Pilot screw setting
improper
11. Adjust pilot screw
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Содержание DVX 250 2007
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