2004 YAMAHA TT600RE compression ratio

1-5
GEN
INFO
SPECIAL TOOLS
SPECIAL TOOLS
The following special tools are necessary for complete and accurate tune-up and assembly. Use only the
appropriate special tools; this will help prevent damage caused by the use of inappropriate tools or impro-
vised techniques.
When placing an order, refer to the list provided below to avoid any mistakes.
Tool No.
90890-03113Engine tachometer
This tool is needed for detecting engine rpm.
90890-03141Timing light
This tool is needed for detecting ignition
timing.
90890-03112Pocket tester
These instruments are invaluable for check-
ing the electrical system.
90890-06754Ignition checker
This instrument is necessary for checking
the ignition system components.
Tool name / Usage Illustration
90890-03081Compression gauge
These tools are used to measure the engine
compression.
90890-04082Adapter (compression gauge)
This tool serves to measure the engine com-
pression.
90890-01312Fuel level gauge
This gauge is used to measure the fuel level
in the float chamber.
90890-01304Piston pin clip puller
This tool serves for removing the piston pin
clip.
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SPECGENERAL SPECIFICATIONS
2-1
SPECIFICATIONS
GENERAL SPECIFICATIONS
Item Standard Limit
ModelTT600RE: 5CH5
Dimensions
Overall length 2,220 mm •••
Overall width 865 mm •••
Overall height 1,195 mm •••
Seat height 890 mm •••
Wheelbase 1,480 mm •••
Ground clearance 280 mm •••
Minimum turning radius 3,300 mm (right)
3,100 mm (left) •••
Basic weight (with oil and full
fuel tank)164.5 kg •••
Engine
Engine type Air cooled 4-stroke, SOHC
Cylinder arrangement Forward inclined single cylinder
Displacement 595 cm
3•••
Bore x stroke 95.0 x 84.0 mm •••
Compression ratio 8.5 : 1 •••
Starting system Electric starter
Lubrication system Dry sump with separate oil tank
Engine oil
Type
Temp. °CSAE20W40SE or SAE10W30SE •••
Recommended engine oil classification API Service SE, SF, SG or higher •••
Quantity:
Without oil filter cartridge
replacement 2.4 L •••
With oil filter cartridge
replacement 2.5 L •••
Total amount (dry engine) 3.0 L •••
Air filterWet type element
Fuel
Type Regular unleaded gasoline
Fuel tank capacity 10 L •••
Fuel reserve amount 3.0 L •••
Carburetor
Manufacturer TEIKEI
Model x quantity Y30PV-2ATK x 1
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VALVE CLEARANCE ADJUSTMENT
3-4
INSP
ADJ
ENGINE
VALVE CLEARANCE ADJUSTMENT
NOTE:
•Valve clearance must be adjusted when the
engine is at ambient temperature.
•Adjust valve clearance with the piston under
compression at top dead centre (T.D.C.).
WARNING
Hold the motorcycle firmly in place to prevent
it falling over during the operation.
1. Remove:
•Seat
•Fuel tank
See the section “ SEAT, FUEL TANK AND
REAR COWLING”.
2. Disconnect:
•Spark plug cap (1)
3. Remove:
•Spark plug
•Tappet cover (2) (intake)
•Tappet covers (3) (exhaust)
When removing the spark plug and tappet
cover, be careful not to drop foreign objects
inside the engine.
4. Remove:
•Cap (1)
•Cap (2)
CAUTION:
5. Turn the crankshaft anticlockwise using a
wrench.
1
2
3
12
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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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POOR PERFORMANCE AT IDLE SPEED/
UNSATISFACTORY PERFORMANCE AT MEDIUM-HIGH SPEED
8-3
TRBL
SHTG
?
Carburetor
Electrical system
Valves PROBABLE CAUSES•The starter piston fails to return freely
•Pilot jet obstructed or loose
•Pilot jet obstructed
•Pilot air screw wrongly set
•Idle speed wrongly set
(throttle valve stop screw)
•Throttle cable free play wrongly set
•Carburetor flooded
•Valve clearance wrongly set
Air filter
•Air filter element obstructed
POOR PERFORMANCE AT IDLE SPEED
See “FAILURE TO START/DIFFICULTIES IN STARTING”.
(FUEL SYSTEM, ELECTRICAL SYSTEM, COMPRESSION SYSTEM and Valve clearance)
Carburetor
PROBABLE CAUSES
•Petrol contains water or impurities or is adulterated
•Infiltrations of air
•Deformation of float
•Defective diaphragm
• Needle valve worn or scratched
•Needle valve seat insufficiently sealed
•Needle stop position incorrect
•Fuel level set wrongly
•Main jet obstructed or loose
•Main nozzle obstructed or loose
UNSATISFACTORY PERFORMANCE AT MEDIUM-HIGH SPEED
•Defective battery
•Defective spark plug
•Defective ignition unit
•Defective AC magneto
•Defective ignition coil
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