2003 Yamaha Motorsports Royal Star Venture Owners Manual - Page 39

2003 Yamaha Motorsports Royal Star Venture Manual

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INSTRUMENT AND CONTROL FUNCTIONS Spring rate: Minimum (soft)/standard: Air pressure = 0 psi (0 kgf/cm2, 0 kPa) Maximum (hard): Air pressure = 7.1 psi (0.5 kgf/cm2, 50 kPa) EC000012 NOTE: When checking and adjusting the air pressure, there should be no weight on the motorcycle. _ _ CAUTION: Never exceed the maximum air pressure, otherwise the front fork oil seals may become damaged. _ _ 1. Shock absorber assembly air valve cap EAU03721* Adjusting the shock absorber assembly This shock absorber assembly is equipped with an air valve for adjusting the spring rate. EC000015 5. Securely install the air valve caps. 2. Remove the air valve cap. 3. Check the air pressure with the air pressure gauge included in the owner's tool kit. 4. To increase the spring rate and thereby harden the suspension, increase the air pressure with an air pump. To decrease the spring rate and thereby soften the suspension, decrease the air pressure by pushing the valve stem down. Spring rate: Minimum (soft)/standard: Air pressure = 0 psi (0 kgf/cm2, 0 kPa) Maximum (hard): Air pressure = 57 psi (4.0 kgf/cm2, 400 kPa) 3 CAUTION: Never attempt to turn an adjusting mechanism beyond the maximum or minimum settings. _ _ Adjust the spring rate as follows. 1. Place the motorcycle on the sidestand. 3-18

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INSTRUMENT AND CONTROL FUNCTIONS
3-18
3
EC000012
CAUTION:
_
Never exceed the maximum air pres-
sure, otherwise the front fork oil
seals may become damaged.
_
5.
Securely install the air valve caps.
EAU03721*
Adjusting the shock absorber
assembly
This shock absorber assembly is
equipped with an air valve for adjusting
the spring rate.
EC000015
CAUTION:
_
Never attempt to turn an adjusting
mechanism beyond the maximum
or minimum settings.
_
Adjust the spring rate as follows.
1.
Place the motorcycle on the side-
stand.
NOTE:
_
When checking and adjusting the air
pressure, there should be no weight on
the motorcycle.
_
2.
Remove the air valve cap.
3.
Check the air pressure with the air
pressure gauge included in the
owner’s tool kit.
4. To increase the spring rate and
thereby harden the suspension,
increase the air pressure with an
air pump. To decrease the spring
rate and thereby soften the sus-
pension, decrease the air pres-
sure by pushing the valve stem
down.
Spring rate:
Minimum (soft)/standard:
Air pressure =
0 psi (0 kgf/cm
2
, 0 kPa)
Maximum (hard):
Air pressure =
7.1 psi (0.5 kgf/cm
2
, 50 kPa)
1.
Shock absorber assembly air valve cap
Spring rate:
Minimum (soft)/standard:
Air pressure =
0 psi (0 kgf/cm
2
, 0 kPa)
Maximum (hard):
Air pressure =
57 psi
(4.0 kgf/cm
2
, 400 kPa)