High-Lift Camshafts; Cam Sprocket(B3L-12176-70) - Yamaha GYTR YZF-R1 Manual

13. High-lift Camshafts
Parts List
No. PART No.
1 B3L-12170-70
2 B3L-12180-70
14. Cam Sprocket(B3L-12176-70)
No. PART No.
3 B3L-0012176-70 SPROCKET, CAM
Possible to adjust the valve timing using the
long holes on the cam sprocket.
USE THESE OVAL HOLES FOR
TIMING ADJUSTMENT.
The set of the camshaft, valve spring, ECU
and air funnel must be used in the following
combination.
Use the Valve spring of the STD.
PART NAME
CAM SHAFT ASSY.
CAM SHAFT ASSY.
締付トルク24±2Nm
PART NAME
– 30 –
Q'TY REMARKS
1 INT
1 EXT
Q'TY REMARKS
1 INT/EXT-shared use
R1 EN2911 2019Rev