Yamaha 2009 YZF-R1 (Y) User Manual

CRANKSHAFT
5-89
EAS14B1027
CHECKING THE BALANCER SHAFT
1. Measure:
• Balancer shaft runout
Out of specification → Replace the bal-
ancer shaft.
2. Check:
• Balancer shaft journal surfaces
• Bearing surfaces
Scratches/wear → Replace the balancer
shaft.
3. Measure:
• Balancer shaft-journal-to-balancer shaft-
journal-bearing clearance
Out of specification → Replace the bal-
ancer shaft journal bearings.
ECA14B1020
Do not interchange the balancer shaft jour-
nal bearings. To obtain the correct balancer
shaft-journal-to-balancer shaft-journal-
bearing clearance and prevent engine dam-
age, the balancer shaft journal bearings
must be installed in their original positions.
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a. Clean the balancer shaft journal bearings,
balancer shaft journals, and bearing por-
tions of the crankcase.
b. Place the upper crankcase upside down on
a bench.
c. Install the balancer shaft journal upper
bearings “1” and the balancer shaft into the
upper crankcase.
TIP
Align the projections “a” on the balancer shaft
journal upper bearings with the notches “b” in
the upper crankcase.
d. Put a piece of Plastigauge® “1” on each
balancer shaft journal.
TIP
Do not put the Plastigauge® over the oil hole in
the balancer shaft journal.
e. Install the balancer shaft journal lower
bearings “1” into the lower crankcase and
assemble the crankcase halves.
Balancer shaft runout limit
0.030 mm (0.0012 in)
Journal oil clearance
0.012–0.043 mm (0.0005–
0.0017 in)

Yamaha 2009 YZF-R1 (Y) Specifications

General

Bore x Stroke	78.0 mm x 52.2 mm
Compression Ratio	12.7:1
Fuel System	Fuel injection with YCC-T and YCC-I
Ignition	TCI: Transistor Controlled Ignition
Transmission	6-speed w/multiplate slipper clutch
Final Drive	Chain
Front Tire	120/70-ZR17
Rear Tire	190/55-ZR17
Seat Height	835 mm
Wet Weight	206 kg
Engine Type	Liquid-cooled, 4-stroke, DOHC, inline 4-cylinder
Front Suspension	43 mm inverted fork, fully adjustable
Rear Suspension	Single shock, fully adjustable
Front Brakes	Dual 310 mm discs, radial-mount 6-piston calipers
Rear Brakes	220 mm disc, single-piston caliper
Dimensions (L x W x H)	2, 070 mm x 715 mm x 1, 130 mm
Wheelbase	1415 mm
Fuel Capacity	18 L