power YAMAHA WR 250F 2007 Notices Demploi (in French)

YAMAHA WR 250F 2007 Notices Demploi (in French) WR 250F 2007 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/52333/w960_52333-0.png YAMAHA WR 250F 2007 Notices Demploi (in French)

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YAMAHA WR 250F 2007  Notices Demploi (in French) IMPORTANT NOTICE
THIS MACHINE IS DESIGNED
STRICTLY FOR COMPETITION
USE, ONLY ON A CLOSED
COURSE. It is illegal for this machine
to be operated on any public street,
road, or highway. Off-road use on
p

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YAMAHA WR 250F 2007  Notices Demploi (in French) 4 - 5
TUNSETTING
Effects of the setting parts on the 
throttle valve opening
ÈClosed
ÉFully open
1Pilot jet
2Throttle valve cutaway
3Jet needle
4Main jet
1/2 3/4 1/4 1/8
1
2
3
4
ÈÉ
Main system
The