Valves of good quality, fit seamlessly into the Yamaha Thunderace 1000. The only minor insignificant difference, the wire at the top of the valve does not fully close only is such a letter "L". But this does not interfere with anything.
After installation it works elegantly. :)
Esthetics:
Material quality:
Fitting:
Reliable opinion
We have Motorcycle needle valves to Yamaha FZR 600 Genesis