2004 YAMAHA TT600RE fuel

VALVE CLEARANCE ADJUSTMENT
3-6
INSP
ADJ
9. Reassemble:
•Caps
•Tappet cover (intake)
•Tappet covers (exhaust)
•Spark plug
Tappet cover (exhaust):
12 Nm (1.2 mkg)
Bolt (tappet cover - intake):
10 Nm (1.0 mkg)
Spark plug:
18 Nm (1.8 mkg)
NOTE:
The tappet cover (intake) should be mounted with
arrow (1) pointing upwards.
10. Connect:
•Spark plug cap
11. Reassemble:
•Fuel tank
•Seat
See section “SEAT, FUEL TANK AND
REAR COWLING”.
Seat screws:
10 Nm (1.0 mkg)
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THROTTLE CABLE FREE PLAY ADJUSTMENT
3-8
INSP
ADJ
THROTTLE CABLE FREE PLAY
ADJUSTMENT
NOTE:
Before adjusting the throttle cable free play, adjust
the engine idle speed.
1. Remove:
•Seat
•Fuel tank
See section “SEAT, FUEL TANK AND
REAR COWLING”.
2. Check:
•Throttle cable free play (a)
Out of specification ➔Adjust.
Throttle cable free play:
3 ~ 5 mm (at the grip flange)
3. Adjust:
•Throttle cable free play
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Adjustment:
•Loosen the throttle cable (2) lock nuts (1).
•Turn the adjuster (3) clockwise or anticlock-
wise to obtain the required free play.
•If after loosening the adjuster by 5 mm, the
free play is still not correct, tighten the
adjuster (4) on the throttle cable (5) once
more.
•Tighten the lock nuts.
(1), (6) Lock nuts
4. Reassemble:
•Fuel tank
•Seat
See section “SEAT, FUEL TANK AND
REAR COWLING”.
a
Seat screws:
10 Nm (1,0 mkg)
2
1
3
6
4
5
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INSP
ADJ
SPARK PLUG INSPECTION
3-9
SPARK PLUG INSPECTION
1. Remove:
•Seat
•Fuel tank
See section “SEAT, FUEL TANK AND
REAR COWLING”.
2. Disconnect:
•Spark plug cap
3. Remove:
•Spark plug (1)
Before removing the spark plug, use com-
pressed air to blow away any dirt accumulat-
ed in the spark plug wells to prevent it from
falling into the cylinder.
When removing the spark plug, be careful not
to drop foreign objects inside the engine.
4. Inspect:
•Type of spark plug
Incorrect ➔Replace.
CAUTION:
CAUTION:
Standard spark plug:
DPR8EA-9 (N.G.K.) or DPR9EA-9 (N.G.K.)
5. Inspect:
•Electrodes (1)
Wear and tear/damage ➔Replace.
•Insulator (2)
Normal insulator (2) colour is light tan.
6. Clean the spark plug with a suitable tool and a
steel brush.
7. Measure:
•Spark plug electrode gap (a)
Use a wire or thickness gauge.
Out of specification ➔Regap.
Electrode gap:
0.8 ~ 0.9 mm
1
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SPARK PLUG INSPECTION
3-10
INSP
ADJ
8. Lock tighten:
•Spark plug
Before installing the spark plug, clean the
surface and thread.
Spark plug:
18 Nm (1.8 mkg)
Seat screws:
10 Nm (1.0 mkg)
NOTE:
Tighten the spark plug by hand before torquing to
specification.
9. Connect:
•Spark plug cap
10. Install:
•Fuel tank
•Seat
See section “SEAT, FUEL TANK AND
REAR COWLING”.
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3-12
INSP
ADJ
COMPRESSION INSPECTION
COMPRESSION INSPECTION
NOTE:
Insufficient compression causes a loss of per-
formance.
WARNING
Set the motorcycle firmly in place to prevent it
falling during the operation.
1. Remove:
•Seat
•Fuel tank
See section “SEAT, FUEL TANK AND
REAR COWLING”.
2. Check:
•Valve clearance
Out of specification ➔Adjust.
See section “VALVE CLEARANCE AD-
JUSTMENT”.
3. Install:
•Secondary fuel tank
4. Start engine and let it heat.
•Switch off engine.
5. Disconnect:
•Spark plug cap
6. Remove:
•Spark plug (1)
When removing the spark plug, be careful to
prevent foreign bodies from dropping inside
the engine.
CAUTION:
1
7. Apply:
•Pressure gauge (1)
•Adapter (2)
Pressure gauge:
P/N. 90890-03081
Adapter:
P/N. 90890-04082
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3-14
INSP
ADJ
COMPRESSION INSPECTION
9. Remove:
•Secondary fuel tank
•Pressure gauge (with adapter)
10. Reassemble:
•Spark plug
See section “SPARK PLUG INSPEC-
TION”.
Spark plug:
18 Nm (1.8 mkg)
Seat screws:
10 Nm (1.0 mkg)
11. Connect:
•Spark plug cap
12. Reassemble:
•Fuel tank
•Seat
See section “SEAT, FUEL TANK AND
REAR COWLING”.Pressure under compression:
(after adding oil to the cylinder)
Reading Diagnosis
Pressure higherPiston worn or
than beforedamaged.
Pressure same Cylinder head or
as before piston rings, valves,
gaskets may be
faulty.
Pressure above Inspect cylinder
maximum value head, valve sur-
faces, piston rim to
check for carbon
deposits.
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INSP
ADJAIR FILTER CLEANING/
FUEL FILTER CLEANING
3-25
Periodically check wheter the sleeve on the
bottom of the air filter case is empty. Remove
the plug (5) and clean it if dirt or water accu-
mulate.
CAUTION:
FUEL FILTER CLEANING
1. Turn the fuel cock to "OFF".
2. Disconnect:
•Fuel pipe from cock
3. Place a fuel pan under the fuel tank and turn
the fuel cock to "RES" to drain the fuel.
Do not bring naked flames or possible
sources of sparks near to the fuel tank: FIRE
AND EXPLOSION RISK! Be careful not to spill
fuel from the tank.
Always wipe off spilled fuel immediately with
a dry and clean soft cloth. Fuel may deterio-
rate painted surfaces or plastic.
4. Disassemble:
•The fuel cock from the fuel tank
5. Wash:
•Fuel filter (1) with solvent
6. Inspect:
•Fuel filter (1)
•Gasket (2)
Damaged ➔Replace.
7. Reassemble:
•Fuel cock to tank
•Fuel pipe to cock
NOTE:
When reassembling the cock, be careful not to
tighten the fastening screws unduly, as the gasket
might leave its housing and cause fuel leakage.
CAUTION:







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ENGINE OIL TANK FILTER CLEANING
3-26
INSP
ADJ
ENGINE OIL TANK FILTER CLEANING
WARNING
Securely support the motorcycle so there is
no danger of it falling over.
1. Drain:
•Engine oil
See section “ENGINE OIL REPLACE-
MENT”.
2. Remove:
•Seat
•Rear cowling
See section “SEAT, FUEL TANK AND
REAR COWLING”.
•Rear wire harness
•Exhaust muffler
•Exhaust pipe
•Rear shock absorber
See section “REAR SHOCK ABSORBER”
in Chapter 4.
•Joint air cleaner clamps
•Rear frame
•Engine oil tank
3. Loosen:
•Stay (rear left side cover) fastening
screws
4. Remove:
•Oil tank cap (1)
•Oil return hose (2)
•Oil return hose flange (4) fastening screw
(3)
•Oil delivery hose flange (6) fastening
screws (5)
•Oil tank filter (7)
•OR gaskets (8)
5. Clean:
•Oil tank filter (with solvent)
•Oil tank (with solvent)
NOTE:
After cleaning the inside of the oil tank, remove
the remaining solvent.
6. Inspect:
•OR gaskets
Damaged ➔Replace.
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