Yamaha YZF-R1 - Vehicle Loading and Accessories

– 8 –
8. Valve Spring Set (14B-A2110-72)
This valve spring is used when the camshaft is mounted from the kit.
NOTICE
When using this valve spring, use the camshafts 14B-12170-71, and 14B-12180-71.
The camshaft, valve spring and ECU in this set can only be used in the following combinations.
Parts List
No. PART No. PART NAMEQ’TY REMARKS
114B-12113-72 SPRING, 1 8 I.D.Color: YELLOW-
GREEN (INT)
2 14B-12114-72 SPRING, 28I.D.Color: BROWN (EXT)
CAMSHAFT VALVE SPRING ECU
2009 Models
14B-12170-70
14B-12180-70
14B-A2110-71
14B-8591A-70
1
4B-8591A-71
2010 Models
2011 Models
14B-12170-71
14B-12180-71
14B-A2110-72 14B-8591A-72