Specifications

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18. Front Fork Spring Set
5VY-1244H-70
5VY-C3141-80
Specification
CAUTION :
• The spring is longer overall than standard, because of its specification.
For setting up, use the collar supplied instead of standard.
• The pre-load is set to provide 0 mm with the fork assembly fully extended and
with the adjuster projecting 19 mm. When the front forks are free from load
other than their own weight, the apparent pre-load is approximately 7 mm,
because the rebound spring keeps the fork from rebounding fully.
• The spring rate is identified by the number of lines on its end.
Basic setting
No. PART No. PART NAME Q’TY REMARKS
1 5VY-23141-70 FR. FORK SPRING 2 0,95 kgf/mm
* 2 5PW-23118-00 SPACER 2
* 3 4XV-23142-00 SEAT, SPRG UPPER 2
No. PART No. PART NAME Q’TY REMARKS
1 5VY-23141-80 FR. FORK SPRING 2 1,00 kgf/mm
* 2 5PW-23118-00 SPACER 2
* 3 4XV-23142-00 SEAT, SPRG UPPER 2
–70 –80 STD
Free length 255 mm 255 mm 236 mm
Spring rate 0,95 kgf/mm 1,00 kgf/mm 0,90 kgf/mm
No. of ID lines 1 2 Nil
Initial adjuster 14 mm (up to top end)
Oil level 76 mm (when compressed as far as possible)
Suspension oil Yamaha Suspension Oil 01