Yamaha Thundercat YZF600R User Manual

PERIODIC MAINTENANCE AND MINOR REPAIR
6-40
6
EAU02990*
Troubleshooting chart
EW000125
WARNING
@
Never check the fuel system while smoking or in the vicinity of an open flame.
@
Check if there is fuel
in the fuel tank.
1. Fuel
Enough fuel.
No fuel.
Go to compression check.
Supply fuel.
Engine doesn’t start, go to compression check.
Use the electric starter.
2. Compression
There is compression.
No compression.
Go to ignition check.
Ask a Yamaha dealer to
inspect.
Remove spark plugs
and check electrodes.
3. Ignition
Wet.
Dry.
Wipe clean with dry cloth and correct
spark gap or replace spark plugs.
Ask a Yamaha dealer to inspect.
Engine doesn’t start, ask a Yamaha
dealer to inspect.
Engine doesn’t start, go to battery
check.
Open throttle half-way and start
the engine.
Use the electric starter.
4. Battery
Engine turns over
quickly.
Engine turns over
slowly.
Battery good.
Check connections or
recharge.
E_4tv_Periodic.fm Page 40 Wednesday, September 1, 1999 11:12 AM

Yamaha Thundercat YZF600R Specifications

General

Bore x Stroke	62.0 mm x 49.6 mm
Compression Ratio	12.0:1
Ignition	Digital TCI
Transmission	6-speed
Final Drive	Chain
Front Suspension	Telescopic fork
Rear Tire	160/60-ZR17
Wheelbase	1, 440 mm
Length	2, 080 mm
Rear Suspension	Swingarm
Front Brakes	Dual disc
Rear Brakes	Single hydraulic disc
Dry Weight	187 kg
Maximum Power	100 hp @ 11, 500 rpm
Engine Type	599cc, liquid-cooled, 4-stroke, DOHC, inline-4
Front Tire	120/60-ZR17
Fuel Capacity	19 liters