High-Lift Camshafts - Yamaha ’09 YZF-R1 Kit Manual

4.

High-lift Camshafts

Parts List
No. PART No.
1 14B-12170-70
2 14B-12180-70
This camshaft has a cam profile etc. changed from the STD one.
To adjust the valve timing, use the oval holes of the standard cam sprocket.
TIP
For valve timing adjustment, refer to the KIT TOOL MANUAL.
NOTICE
• When using this camshaft, use the valve spring set 14B-A2110-70.
• Make sure to align the valve timing when the camshaft is assembled. If otherwise, no
intended performance can be expected and more over, the engine may be damaged.
PART NAME
SHAFT, CAM 1
SHAFT, CAM 2
90105-07006
14B-12176-00
USE THESE OVAL HOLES FOR TIMING ADJUSTMENT.
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Q'TY REMARKS
1 INT
1 EXT
1
2