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Yamaha FZS1000(N) 2001 User Manual

Yamaha FZS1000(N) 2001
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5-17
CYLINDER HEAD
ENG
NOTE:
NOTE:
NOTE:
EAS00223
REMOVING THE CYLINDER HEADS
1. Remove:
cylinder head nuts
cylinder head cap nuts
cylinder head bolts
Loosen the nuts in the proper sequence as
shown.
Loosen each nut 1/2 of a turn at a time. After all
of the nuts are fully loosened, remove them.
EAS00230
CHECKING THE CYLINDER HEADS
The following procedure applies to all of the cyl-
inder heads.
1. Eliminate:
carbon deposits
(from the combustion chambers with a
rounded scraper)
Do not use a sharp instrument to avoid damag-
ing or scratching:
spark plug threads
valve seats
2. Check:
cylinder head
Damage/scratches Replace.
cylinder head water jacket
Mineral deposits/rust Eliminate.
3. Measure:
cylinder head warpage
Out of specification Resurface the cylin-
der head.
Cylinder head warpage
Less than 0.1 mm
a. Place a straightedge
1
and a thickness
gauge
2
across the cylinder head.
b. Measure the warpage.
c. If the limited is exceeded, resurface the cylin-
der head as follows.
d. Place a 400 X 600 grit wet sandpaper on the
surface plate and resurface the cylinder
head using a figure-eight sanding pattern.
To ensure an even surface, rotate the cylinder
head several times.

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Yamaha FZS1000(N) 2001 Specifications

General IconGeneral
Displacement998 cc
Bore x Stroke74.0 mm x 58.0 mm
Compression Ratio11.4:1
Fuel SystemFuel Injection
Transmission6-speed
Seat Height820 mm
Fuel Capacity21 liters
Rear SuspensionSwingarm (link suspension)
Front Tire120/70 ZR17
Rear Tire180/55 ZR17
Wheelbase1, 450 mm
Dry Weight208 kg
Final DriveChain
FrameAluminium Deltabox
StarterElectric
Engine TypeLiquid-cooled, 4-stroke, DOHC, 5-valve, inline-4
Power143 hp @ 10, 000 rpm
Torque106 Nm @ 7, 500 rpm
IgnitionDigital TCI
Front SuspensionTelescopic fork
Front BrakeDouble disc, Ø 298 mm
Rear BrakeSingle disc, Ø 245 mm
Ground Clearance140 mm
Valves20 valves

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