Yamaha TT-R125(R), Owner'S Service Manual

Page: 78 / 510

SPEC
2 - 9
MAINTENANCE SPECIFICATIONS
Stem runout limit ---- 0.01 mm
(0.0004 in)
Valve seat width IN 0.9 ~ 1.1 mm
(0.0354 ~ 0.0433 in) 1.6 mm
(0.0630 in)
EX 0.9 ~ 1.1 mm
(0.0354 ~ 0.0433 in) 1.6 mm
(0.0630 in)
Valve spring:
Free length IN 32.55 mm (1.28 in) 31.2 mm
(1.23 in)
EX 32.55 mm (1.28 in) 31.2 mm
(1.23 in)
Set length (valve closed) IN 25.6 mm (1.01 in) ----
EX 25.6 mm (1.01 in) ----
Compressed pressure
(installed)
IN 137.5 ~ 158.1 N
(14.0 ~ 16.1 kg, 30.86 ~ 35.49 lb) ----
EX 137.5 ~ 158.1 N
(14.0 ~ 16.1 kg, 30.86 ~ 35.49 lb) ----
Tilt limit * IN ---- 2.5˚/1.4 mm
(2.5˚/0.06 in)
EX ---- 2.5˚/1.4 mm
(2.5˚/0.06 in)
Direction of winding
(top view)
IN Clockwise ----
EX Clockwise ----
Item Standard Limit