2001 YAMAHA TTR90 set clock

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YAMAHA TTR90 2001  Owners Manual SPEC
 
2 - 6 
Stem runout limit ---- 0.02 mm
(0.0008 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: