Yamaha YZF-R1 Service Manual

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4. Piston Set (14B-116A0-70)
Select four pistons so that the difference in their weights does not exceed 0.5g.
5. Connecting Rod Set (14B-1165B-70)
Select four connecting rod assemblies so that the difference in their weights does not exceed
2g and combine them so that the small end weights are uniform.
(by Yamaha’s measuring method)
6. Crankshaft (14B-11400-70)
Select a crankshaft with good balance.
Parts List
No. PART No. PART NAMEQ’TY REMARKS
*114B-11631-00 PISTON4
* 2 14B-11603-00 PISTON RING SET 4
* 34C8-11633-00 PIN, PISTON4
* 4 93450-18157 CIRCLIP 4
Parts List
No. PART No. PART NAMEQ’TY REMARKS
*114B-11650-00 CONN. ROD ASSY. 4
Parts List
No. PART No. PART NAMEQ’TY REMARKS
*114B-11400-00 CRANK ASSY. 1

Yamaha YZF-R1 Specifications

General

Bore x Stroke	79.0mm x 50.9mm
Compression Ratio	13.0:1
Fuel System	Fuel injection with YCC-T and YCC-I
Final Drive	Chain
Front Tire	120/70ZR17
Rear Tire	190/55ZR17
Wheelbase	55.3 in
Fuel Capacity	4.5 gal
Curb Weight	448 lb
Width	27.2 in
Ground Clearance	5.1 in
Engine Type	Liquid-cooled inline 4-cylinder; DOHC, 4 valves per cylinder
Transmission	6-speed
Clutch	Multiplate slipper clutch
Front Suspension	43mm KYB® inverted fork; fully adjustable
Rear Suspension	KYB® single shock; fully adjustable
Front Brakes	Dual 320mm hydraulic disc; ABS
Rear Brakes	220mm hydraulic disc; ABS