Control functions
25
Your Yamaha engine has been designed to
use premium unleaded gasoline with a pump
octane number [(R+M)/2] of 91 or higher, or a
research octane number of 95 or higher.
If the recommended fuel is not used, the en-
gine may not perform as it should.
NOTICE
ECS00080
●
Oxygenated fuels (gasohol) containing
a maximum 5% of ethanol can be used,
although richer jetting may be required
to prevent engine damage. Consult a
Yamaha dealer. Gasohol containing
methanol is not recommended.
●
Make sure that snow or ice does not en-
ter the fuel tank when refueling.
●
Do not use alcohol deicers or water ab-
sorbing additives with oxygenated fuel.
●
The fuel tank should be filled with
straight gasoline as specified.
ESU10872
Suspension
The suspension can be adjusted to suit rider
preference. Softer settings, for example, may
provide greater rider comfort, while harder
settings may allow more precise handling and
control over certain types of terrain or riding
conditions.
If you are not familiar with suspension adjust-
ments, have a Yamaha dealer make these
adjustments.
WARNING
EWS00151
Read and understand the following infor-
mation before handling shock absorbers
that contain highly pressurized nitrogen
gas.
●
Do not tamper with or attempt to open
the cylinder assemblies.
●
Do not subject the shock absorbers to
an open flame or other high heat source.
This may cause the unit to explode due
to excessive gas pressure.
●
Do not deform or damage the cylinders
in any way. Cylinder damage will result
in poor damping performance.
●
Do not dispose of a damaged or worn
out shock absorber yourself. Take the
shock absorber to a Yamaha dealer for
any service.
ESU10904
Adjusting the spring preload of the
front shock absorbers (PZ50 /
PZ50GT / PZ50MT / PZ50VT)
WARNING
EWS00720
The spring preload of the left and right
shock absorbers must be adjusted to the
same setting. Uneven settings can cause
poor handling and loss of stability.
The spring preload can be adjusted by turning
the adjusting rings (PZ50 / PZ50MT /
PZ50VT) or adjusting nuts (PZ50GT). Adjust
the spring preload as follows.
Recommended fuel:
PREMIUM UNLEADED GASOLINE
ONLY
Fuel tank capacity:
PZ50 26.7 L (7.05 US gal,
5.87 Imp.gal)
PZ50GT 26.7 L (7.05 US gal,
5.87 Imp.gal)
PZ50MT 26.7 L (7.05 US gal,
5.87 Imp.gal)
PZ50RT 26.7 L (7.05 US gal,
5.87 Imp.gal)
PZ50VT 32.9 L (8.69 US gal,
7.24 Imp.gal)
U8GK12E0.book Page 25 Tuesday, August 5, 2008 9:49 AM
