2011 YAMAHA YBR250 oil type

PERIODIC MAINTENANCE AND ADJUSTMENT
6-9
6
EAU37804
Engine oil and oil filter ele-
ment The engine oil level should be checked
before each ride. In addition, the oil
must be changed and the oil filter ele-
ment replaced at the intervals specified
in the General periodic maintenance
and lubrication chart.
To check the engine oil level
1. Place the vehicle on a level sur-
face and hold it in an upright posi-
tion. A slight tilt to the side can
result in a false reading.
2. Start the engine, warm it up for
several minutes, and then turn it
off.
3. Wait a few minutes until the oil set-
tles, and then check the oil level
through the check window located
at the bottom-right side of the
crankcase.TIPThe engine oil should be between theminimum and maximum level marks.4. If the engine oil is below the mini-
mum level mark, add sufficient oil
of the recommended type to raise
it to the correct level.
To change the engine oil (with or
without oil filter element replace-
ment)
1. Place the vehicle on a level sur-
face.
2. Start the engine, warm it up for
several minutes, and then turn it
off.
3. Place an oil pan under the engine
to collect the used oil.4. Remove the engine oil filler bolt
and drain bolt to drain the oil from
the crankcase.
TIPCheck the washer for damage and re-place it if necessary.
1. Engine oil filler cap
2. Maximum level mark
3. Minimum level mark
1. Dipstick
1. Engine oil drain bolt
U5D1E1E0.book Page 9 Friday, September 5, 2008 1:17 PM

PERIODIC MAINTENANCE AND ADJUSTMENT
6-18
6 indicator grooves have almost disap-
peared, have a Yamaha dealer replace
the brake pads as a set.
EAU22540
Rear brake shoes
The rear brake is provided with a wear
indicator, which allows you to check the
brake shoe wear without having to dis-
assemble the brake. To check the
brake shoe wear, check the position of
the wear indicator while applying the
brake. If a brake shoe has worn to the
point that the wear indicator reaches
the wear limit line, have a Yamaha
dealer replace the brake shoes as a
set.
EAU37001
Checking the front brake fluid
level Insufficient brake fluid may allow air to
enter the brake system, possibly caus-
ing it to become ineffective.
Before riding, check that the brake fluid
is above the minimum level mark and
replenish if necessary. A low brake fluid
level may indicate worn brake pads
and/or brake system leakage. If the
brake fluid level is low, be sure to check
the brake pads for wear and the brake
system for leakage.
Observe these precautions:


When checking the fluid level,
make sure that the top of the mas-
ter cylinder is level by turning the
handlebars.


Use only the recommended quality
brake fluid, otherwise the rubber
seals may deteriorate, causing
leakage and poor braking perfor-
mance.
TIPIf DOT 4 is not available, DOT 3 can beused.

Refill with the same type of brake
fluid. Mixing fluids may result in a
harmful chemical reaction and
lead to poor braking performance.


Be careful that water does not en-
ter the master cylinder when refill-
ing. Water will significantly lower
the boiling point of the fluid and
may result in vapor lock.
1. Brake shoe wear limit line
2. Brake shoe wear indicator
1. Minimum level mark
Recommended brake fluid:
DOT 4
U5D1E1E0.book Page 18 Friday, September 5, 2008 1:17 PM

SPECIFICATIONS
8-1
8
Dimensions:Overall length:
2025 mm (79.7 in)
Overall width:
745 mm (29.3 in)
Overall height:
1065 mm (41.9 in)
Seat height:
805 mm (31.7 in)
Wheelbase:
1360 mm (53.5 in)
Ground clearance:
190 mm (7.48 in)
Minimum turning radius:
2395 mm (94.3 in)Weight:With oil and fuel:
154.0 kg (340 lb)Engine:Engine type:
Air cooled 4-stroke, SOHC
Cylinder arrangement:
Forward-inclined single cylinder
Displacement:
249.0 cm³
Bore × stroke:
74.0 × 58.0 mm (2.91 × 2.28 in)
Compression ratio:
9.80 :1
Starting system:
Electric starter
Lubrication system:
Wet sump
Engine oil:Type:
SAE 20W-40 or 20W-50
Recommended engine oil grade:
API service SF, SG type or higher, JASO
standard MA
Engine oil quantity:
Without oil filter element replacement:
1.35 L (1.43 US qt, 1.19 Imp.qt)
With oil filter element replacement:
1.45 L (1.53 US qt, 1.28 Imp.qt)Air filter:Air filter element:
Wet elementFuel:Recommended fuel:
Regular unleaded gasoline only
Fuel tank capacity:
19.2 L (5.07 US gal, 4.22 Imp.gal)
Fuel reserve amount:
4.5 L (1.19 US gal, 0.99 Imp.gal)
Fuel injection:Throttle body:
Type/quantity:
33EHS-3D01/1Spark plug (s):Manufacturer/model:
NGK/DR8EA
Spark plug gap:
0.6–0.7 mm (0.024–0.028 in)Clutch:Clutch type:
Wet, multiple-discTransmission:Primary reduction system:
Spur gear
Primary reduction ratio:
74/24 (3.083)
Secondary reduction system:
Chain drive
Secondary reduction ratio:
44/15 (2.933)
Transmission type:
Constant mesh 5-speed
Operation:
Left foot operation
Gear ratio:
1st:
36/14 (2.571)
2nd:
32/19 (1.684)
3rd:
28/22 (1.273)
4th:
26/25 (1.040)
-20 -10 0
10 20 30
40
50 ˚C
SAE 10W-30
SAE 15W-40SAE 20W-40SAE 20W-50
SAE 10W-40SAE 10W-50
U5D1E1E0.book Page 1 Friday, September 5, 2008 1:17 PM

SPECIFICATIONS
8-2
8
5th:
23/27 (0.852)
Chassis:Frame type:
Double cradle
Caster angle:
26.50 °
Trail:
104.5 mm (4.11 in)Front tire:Type:
Tubeless
Size:
100/80-17M/C 52S
Manufacturer/model:
PIRELLI/SPORT DEMONRear tire:Type:
Tubeless
Size:
130/70-17M/C 62S
Manufacturer/model:
PIRELLI/SPORT DEMONLoading:Maximum load:
167 kg (368 lb)
(Total weight of rider, passenger, cargo and
accessories)Tire air pressure (measured on cold
tires):Loading condition:
0–90 kg (0–198 lb)
Front:
225 kPa (2.25 kgf/cm², 33 psi)Rear:
250 kPa (2.50 kgf/cm², 36 psi)
Loading condition:
90–167 kg (198–368 lb)
Front:
225 kPa (2.25 kgf/cm², 33 psi)
Rear:
250 kPa (2.50 kgf/cm², 36 psi)
Front wheel:Wheel type:
Cast wheel
Rim size:
17M/C x MT2.15Rear wheel:Wheel type:
Cast wheel
Rim size:
17M/C x MT3.00Front brake:Type:
Single disc brake
Operation:
Right hand operation
Recommended fluid:
DOT 3 or 4Rear brake:Type:
Drum brake
Operation:
Right foot operationFront suspension:Type:
Telescopic forkSpring/shock absorber type:
Coil spring/oil damper
Wheel travel:
120.0 mm (4.72 in)
Rear suspension:Type:
Swingarm (link suspension)
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel:
120.0 mm (4.72 in)Electrical system:Ignition system:
TCI (digital)
Charging system:
AC magnetoBattery:Model:
YTX7L-BS
Voltage, capacity:
12 V, 6.0 AhHeadlight:Bulb type:
Halogen bulbBulb voltage, wattage × quantity:Headlight:
12 V, 35 W/35.0 W × 1
Tail/brake light:
12 V, 5.0 W/21.0 W × 1
Front turn signal light:
12 V, 10.0 W × 2
Rear turn signal light:
12 V, 10.0 W × 2
U5D1E1E0.book Page 2 Friday, September 5, 2008 1:17 PM