Yamaha YZF-R1 (2006) [35/426] Engine specifications

ENGINE SPECIFICATIONS

2-6

End gap (installed) 0.15–0.25 mm (0.0059–0.0098 in)

Ring side clearance 0.030–0.065 mm (0.0012–0.0026 in)

2nd ring

Ring type Taper

Dimensions (B × T) 0.80 × 2.75 mm (0.03 × 0.11 in)

End gap (installed) 0.30–0.45 mm (0.0118–0.0177 in)

Ring side clearance 0.020–0.055 mm (0.0008–0.0022 in)

Oil ring

Dimensions (B × T) 1.50 × 2.25 mm (0.06 × 0.09 in)

End gap (installed) 0.10–0.40 mm (0.0039–0.0157 in)

Connecting rod

Oil clearance (using plastigauge®) 0.034–0.058 mm (0.0013–0.0023 in)

Bearing color code 1.Blue 2.Black 3.Brown 4.Green

Crankshaft

Width A 55.20–56.60 mm (2.173–2.228 in)

Width B 298.75–300.65 mm (11.76–11.84 in)

Runout limit C 0.030 mm (0.0012 in)

Big end side clearance D 0.160–0.262 mm (0.0063–0.0103 in)

Journal oil clearance (using plastigauge®) 0.014–0.037 mm (0.0006–0.0015 in)

Bearing color code 0.White 1.Blue 2.Black 3.Brown 4.Green

Clutch

Clutch type Wet, multiple-disc

Clutch release method Outer pull, rack and pinion pull

Clutch lever free play 10.0–15.0 mm (0.39–0.59 in)

Friction plate thickness 2.90–3.10 mm (0.114–0.122 in)

Wear limit 2.80 mm (0.1102 in)

Plate quantity 9 pcs

Clutch plate thickness 1.90–2.10 mm (0.075–0.083 in)

Plate quantity 8 pcs

Warpage limit 0.10 mm (0.0039 in)

Clutch spring free length 43.80 mm (1.72 in)

Spring quantity 6 pcs

Transmission

Transmission type Constant mesh 6-speed

Primary reduction system Spur gear

Primary reduction ratio 65/43 (1.512)

Secondary reduction system Chain drive