SAFETY INFORMATION
1-3
1Avoid Carbon Monoxide Poisoning
All engine exhaust contains carbon
monoxide, a deadly gas. Breathing
carbon monoxide can cause head-
aches, dizziness, drowsiness, nausea,
confusion, and eventually death.
Carbon Monoxide is a colorless, odor-
less, tasteless gas which may be pres-
ent even if you do not see or smell any
engine exhaust. Deadly levels of car-
bon monoxide can collect rapidly and
you can quickly be overcome and un-
able to save yourself. Also, deadly lev-
els of carbon monoxide can linger for
hours or days in enclosed or poorly
ventilated areas. If you experience any
symptoms of carbon monoxide poi-
soning, leave the area immediately, get
fresh air, and SEEK MEDICAL TREAT-
MENT.
Do not run engine indoors. Even if
you try to ventilate engine exhaust
with fans or open windows and
doors, carbon monoxide can rap-
idly reach dangerous levels.
Do not run engine in poorly venti-
lated or partially enclosed areas
such as barns, garages, or car-
ports.Do not run engine outdoors where
engine exhaust can be drawn into
a building through openings such
as windows and doors.
Loading
Adding accessories or cargo to your
scooter can adversely affect stability
and handling if the weight distribution
of the scooter is changed. To avoid the
possibility of an accident, use extreme
caution when adding cargo or acces-
sories to your scooter. Use extra care
when riding a scooter that has added
cargo or accessories. Here, along with
the information about accessories be-
low, are some general guidelines to fol-
low if loading cargo to your scooter:
The total weight of the operator, pas-
senger, accessories and cargo must
not exceed the maximum load limit.
Operation of an overloaded vehicle
could cause an accident.When loading within this weight limit,
keep the following in mind:
Cargo and accessory weight
should be kept as low and close to
the scooter as possible. Securely
pack your heaviest items as close
to the center of the vehicle as pos-
sible and make sure to distribute
the weight as evenly as possible
on both sides of the scooter to
minimize imbalance or instability.
Shifting weights can create a sud-
den imbalance. Make sure that
accessories and cargo are se-
curely attached to the scooter be-
fore riding. Check accessory
mounts and cargo restraints fre-
quently.
• Properly adjust the suspension
for your load (suspension-ad-
justable models only), and
check the condition and pres-
sure of your tires.
• Never attach any large or heavy
items to the handlebar, front
fork, or front fender. Such items
can create unstable handling or
a slow steering response.
Maximum load:
YP400R 185 kg (408 lb)
YP400RA 181 kg (399 lb)
U1SDE1E0.book Page 3 Monday, September 23, 2013 3:55 PM
DESCRIPTION
2-1
2
EAU10411
Left view
1
5
8
2
4
3
7 6
9
10
11
12
1. Headlight (page 6-32)
2. Battery (page 6-29)
3. Main fuse (page 6-31)
4. Coolant reservoir cap (page 6-16)
5. Coolant level check window (page 6-16)
6. Rear storage compartment (page 3-16)
7. V-belt case air filter element (page 6-18)
8. Shock absorber assembly spring preload adjusting ring (page 3-18)9. Air filter element (left) (page 6-18)
10.Engine oil filter element (page 6-13)
11.Sidestand (page 3-18)
12.Front brake pads (page 6-24)U1SDE1E0.book Page 1 Monday, September 23, 2013 3:55 PM
DESCRIPTION
2-3
2
EAU10431
Controls and instruments
4
1
7
5
3
6
2
8
9
10
11 12
1. Rear brake lever (page 3-12)
2. Left handlebar switches (page 3-10)
3. Speedometer (page 3-5)
4. Multi-function display (page 3-6)
5. Tachometer (page 3-6)
6. Right handlebar switches (page 3-10)
7. Front brake lever (page 3-11)
8. Throttle grip (page 6-20)9. Front storage compartment B (page 3-16)
10.Main switch/steering lock (page 3-2)
11.Coolant level check window (page 6-16)
12.Front storage compartment A (page 3-16)U1SDE1E0.book Page 3 Monday, September 23, 2013 3:55 PM
PERIODIC MAINTENANCE AND ADJUSTMENT
6-16
6
5. Remove the final transmission oil
drain bolt and its gasket to drain
the oil from the final transmission
case.
6. Install the final transmission oil
drain bolt and its new gasket, and
then tighten the bolt to the speci-
fied torque.
7. Refill with the specified amount of
the recommended final transmis-
sion oil. WARNING! Make surethat no foreign material enters
the final transmission case.
Make sure that no oil gets on
the tire or wheel.
[EWA11312]
8. Install the final transmission oil fill-
er cap and its new O-ring, and
then tighten the oil filler cap.
9. Check the final transmission case
for oil leakage. If oil is leaking,
check for the cause.
EAU20071
CoolantThe coolant level should be checked
before each ride. In addition, the cool-
ant must be changed at the intervals
specified in the periodic maintenance
and lubrication chart.
EAUM3043
To check the coolant level
1. Place the vehicle on a level surfa-
ce and hold it in an upright posi-
tion.
2. Open the front storage compart-
ment A. (See page 3-16.)TIPThe coolant level must be
checked on a cold engine since
the level varies with engine tem-
perature.
Make sure that the vehicle is posi-
tioned straight up when checking
the coolant level. A slight tilt to the
side can result in a false reading.3. Check the coolant level through
the check window.
1. Final transmission oil filler cap
2. O-ring
3. Final transmission oil drain bolt
4. GasketTightening torque:
Final transmission oil drain bolt:
20 Nm (2.0 m·kgf, 14 ft·lbf)
21
34
Recommended final transmission
oil:
See page 8-1.
Oil quantity:
0.25 L (0.26 US qt, 0.22 Imp.qt)
U1SDE1E0.book Page 16 Monday, September 23, 2013 3:55 PM