Yamaha R1 Series 2015, Service Manual

Page: 80 / 704

ENGINE SPECIFICATIONS
2-5
Ring type Barrel
End gap (installed) 0.15–0.25 mm (0.0059–0.0098 in)
Limit 0.50 mm (0.0197 in)
Ring side clearance 0.030–0.065 mm (0.0012–0.0026 in)
Limit 0.115 mm (0.0045 in)
2nd ring
Ring type Taper
End gap (installed) 0.65–0.80 mm (0.0256–0.0315 in)
Limit 1.15 mm (0.0453 in)
Ring side clearance 0.020–0.055 mm (0.0008–0.0022 in)
Limit 0.115 mm (0.0045 in)
Oil ring
End gap (installed) 0.10–0.35 mm (0.0039–0.0138 in)
Connecting rod
Oil clearance 0.033–0.057 mm (0.0013–0.0022 in)
Limit 0.09 mm (0.0035 in)
Bearing color code 1. Blue 2. Black 3. Brown 4. Green 5. Yellow 6.
Pink
Crankshaft
Runout limit 0.030 mm (0.0012 in)
Big end side clearance 0.150–0.272 mm (0.0059–0.0107 in)
Journal oil clearance 0.027–0.045 mm (0.0011–0.0018 in)
Bearing color code 1.Blue 2.Black 3.Brown 4.Green 5.Yellow 6.Pink
7.Red
Balancer
Balancer shaft runout limit 0.030 mm (0.0012 in)
Balancer shaft journal to balancer shaft bear-
ing clearance
0.028–0.046 mm (0.0011–0.0018 in)
Bearing color code 0.White 1.Blue 2.Black 3.Brown 4.Green 5.Yel-
low 6.Pink
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 2.72–2.88 mm (0.107–0.113 in)
Wear limit 2.62 mm (0.103 in)
Plate quantity 10 pcs
Clutch plate 1 thickness 2.46–2.74 mm (0.097–0.108 in)
Plate quantity 1 pcs
Warpage limit 0.10 mm (0.004 in)
Clutch plate 2 thickness 2.18–2.42 mm (0.086–0.095 in)
Plate quantity 8 pcs
Warpage limit 0.10 mm (0.004 in)
Clutch spring free length 47.36 mm (1.86 in)
Limit 44.99 mm (1.77 in)
Spring quantity 3 pcs
Transmission
Transmission type Constant mesh 6-speed
Primary reduction ratio 1.634 (67/41)
Secondary reduction ratio 2.563 (41/16)
Final drive Chain