Yamaha 1999 YZF-R6 Service Manual

1-3
IMPORTANT INFORMATION
GEN
INFO
CAUTION:
USING A DYNAMOMETER
The YZF-R6 has a carbon muffler that may
change color when exposed to high tempera-
tures. Therefore, when using a dynamometer
always use a fan to cool the muffler.
EB102030
LOCK WASHERS/PLATES AND COTTER
PINS
After removal, replace all lock washers/plates
1
and cotter pins. After the bolt or nut has been
tightened to specification, bend the lock washer
tabs and the cotter pin ends along a flat of the
bolt or nut.
EB102040
BEARINGS AND OIL SEALS
1. Install bearings and oil seals so that the
manufacturer’s marks or numbers are vis-
ible. When installing oil seals, lubricate the
oil seal lips with a light coat of lithium soap
base grease. Oil bearings liberally when
installing, if appropriate.
1
Oil seal
Do not spin the bearing with compressed air
because this will damage the bearing sur-
faces.
1
Bearing
EB102050
CIRCLIPS
Before reassembly, check all circlips carefully
and replace damaged or distorted circlips. Al-
ways replace piston pin clips after one use.
When installing a circlip
1
, make sure that the
sharp-edged corner
2
is positioned opposite
the thrust
3
that the circlip receives.
4
Shaft

Yamaha 1999 YZF-R6 Specifications

General

Bore x Stroke	65.5 mm x 44.5 mm
Compression Ratio	12.4:1
Ignition	Digital TCI
Transmission	6-speed
Final Drive	Chain
Front Suspension	Telescopic fork
Front Brakes	Dual 298 mm discs
Front Tire	120/60-ZR17
Rear Tire	180/55-ZR17
Wheelbase	1, 380 mm (54.3 in)
Seat Height	820 mm (32.3 in)
Engine Type	liquid-cooled, DOHC, inline 4-cylinder
Rear Suspension	Single shock
Rear Brakes	220mm disc
Fuel Capacity	17 l (4.5 US gal)
Dry Weight	169 kg