Yamaha 2009 YZF-R1 (Y) User Manual

STARTER CLUTCH
5-41
EAS24560
REMOVING THE STARTER CLUTCH
1. Remove:
• Starter clutch bolt “1”
TIP
• While holding the clutch housing assembly
“2” with the sheave holder “3”, remove the
starter clutch bolt.
• Fix the flat surface of the clutch housing
assembly with the sheave holder.
EAS24570
CHECKING THE STARTER CLUTCH
1. Check:
• Starter clutch rollers “1”
Damage/wear → Replace.
2. Check:
• Starter clutch gear “1”
• Starter idle gear “2”
Burrs/chips/roughness/wear → Replace
the defective part(s).
3. Check:
• Starter clutch gear’s contacting surfaces
Damage/pitting/wear → Replace the
starter clutch gear.
4. Check:
• Starter clutch operation
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a. Install the starter clutch gear “1” onto the
clutch housing assembly “2” and hold the
clutch housing assembly.
b. When turning the starter clutch gear clock-
wise “A”, the starter clutch and the starter
clutch gear should engage, otherwise the
starter clutch is faulty and must be
replaced.
c. When turning the starter clutch gear coun-
terclockwise “B”, it should turn freely, other-
wise the starter clutch is faulty and must be
replaced.
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EAS24600
INSTALLING THE STARTER CLUTCH
1. Install:
• Starter clutch
TIP
• While holding the clutch housing assembly
“1” with the sheave holder “2”, tighten the
starter clutch holder bolt “3”.
Sheave holder
90890-01701
Primary clutch holder
YS-01880-A
Starter clutch holder bolt
14 Nm (1.4 m·kgf, 10 ft·lbf)
LOCTITE®

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