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3. MAINTENANCE
SERVICE INFORMATION
MAINTENANCE SCHEDULE
<ENGINE>
FUEL LINE
THROTTLE OPERATION
CARBURETOR CHOKE
AIR CLEANER
CRANKCASE BREATHER
SERVICE INFORMATION
3-1
3-3
3-4
3-4
3-5
3-5
3-6
3-6
3-7
3-8
3-9
3-9
3-10
3-10
3-11
EVAPORATIVE EMISSION
CONTROL SYSTEM
(California model only)
<CHASSIS>
3-11
3-12
3-13
D
3-14
3-14
3-14
3-15
3-15
3-16
3-16
3-17
3-17
3-18
- ' - - - - - - - - - - - - - - - - - - - - - - -
Support the motorcycle on the center stand on a level surface before starting any work.
If the engine must be running to do some work. make sure tlte area is well-ventilated. Never run the engine in an enclosed area.
The exhaust contains poisonous carbon monoxide gas that may cause loss of consciousness and lead to death.
Gasoline is extremely flammable and is explosive under certain conditions. Work in a well ventilated area with the engine stopped.
Do not smoke or allow flames or sparks in the work area or where gasoline is stored.
GENERAL
•
Engine oil
•
Engine oil filter change
See page 2-3
See page 2-4
SPECIFICATIONS
~ENGINE~
Ignition timing
Spark plug
Initial
Full advance
10 0 BTDC at idle
31 0 BTDC at 7,000 ± 200 rpm
NGK
NO
Standard
DPR8EA-9
X24EPR-U9
For cold climate Ibelow 50 C/41 0F)
DPR7EA-9
X22EPR-U9
For extended high speed riding
DPR9EA-9
X27EPR-U9
Spark plug gap
Valve clearance
IN
(COLD)
EX
Idle speed
Cylinder compression
Throttle grip free play
0.8-0.9 mm (0.031 -0.035 in)
0.15
±
0.02 mm (0.006
±
0.0008 in)
0.20
±
0.02 mm (0.008
±
00008 in)
1,200 ± 100 rpm
1,324
±
196 kPa 113.5
±
2.0 kg/em', 192
±
28 psi)
2-6 mm (1/16-1/4 inl
Revised: June, 1991
© 1991 American Honda Motor Co.. Inc.. All Rights Reserved
MSV 5511 (9106) '88-'91 NT650
3-1
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