Tube Guide (5Vy-26243-80) - Yamaha ’09 YZF-R1 Kit Manual

25. Tube Guide (5VY-26243-80)

Parts List
No. PART No.
1 5VY-26243-80
About the Throttle Tube Guide Specifications
As shown below, the operating angle of the throttle grip up to when the throttle body opening is
25% is the same as STD, and the operating angle of the throttle grip when the throttle is fully
opened is 58°.
According to this, the easy operability has been realized through controlling the throttle body
opening at an initial stage of the throttle grip operation, the stage of which is difficult to control,
as that of the STD, while keeping the operability (full opening performance) during racing.
Throttle body opening
PART NAME
TUBE, GUIDE
5SL-71
100%
50%
25%
0%
52˚
Q'TY
1
5VY-70
STD
69˚
Throttle grip operation angle
58˚
– 46 –
REMARKS
Progressive type