Yamaha 1999 YZF-R6 Service Manual

6-9
CARBURETORS
CARB
CAUTION:
NOTE:
12. Check:
 fuel hoses
Cracks/damage/wear  Replace.
Obstruction  Clean.
Blow out the hoses with compressed air.
EAS00490
ASSEMBLING THE CARBURETORS
The following procedure applies to all of the car-
buretors.
 Before assembling the carburetors, wash
all of the parts in a petroleumbased sol-
vent.
 Always use a new gasket.
1. Install:
 pilot screw kit
1
Pilot screw setting
2 turns out
2. Install:
 piston valve
1
 jet needle
 jet needle holder
 piston valve spring
 vacuum chamber cover
 Install the end of the piston valve spring onto
the spring guide on the vacuum chamber cov-
er.
 Align the tab
a
on the piston valve diaphragm
with the recess
b
in the carburetor body.

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