INSTRUMENT AND CONTROL FUNCTIONS
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3. Wipe up any spilled fuel immedi-
ately. NOTICE: Immediately wipe
off spilled fuel with a clean, dry,
soft cloth, since fuel may deteri-
orate painted surfaces or plastic
parts.
[ECA10072]
4. Be sure to securely close the fuel tank cap.
WARNING
EWA15152
Gasoline is poisonous and can
cause injury or death. Handle gaso-
line with care. Never siphon gaso-
line by mouth. If you should swallow
some gasoline or inhale a lot of gas-
oline vapor, or get some gasoline in your eyes, see your doctor immedi-
ately. If gasoline spills on your skin,
wash with soap and water. If gaso-
line spills on your clothing, change
your clothes.
EAU57690
NOTICE
ECA11401
Use only unleaded gasoline. The use
of leaded gasoline will cause severe
damage to internal engine parts,
such as the valves and piston rings,as well as to the exhaust system.
Your Yamaha engine has been de-
signed to use regular unleaded gaso-
line with a research octane number of
95 or higher. If knocking (or pinging) oc-
curs, use a gasoline of a different brandor premium unleaded fuel. Use of un-
leaded fuel will extend spark plug life
and reduce maintenance costs.
Gasohol
There are two types of gasohol: gaso-
hol containing ethanol and that contain-
ing methanol. Gasohol containing
ethanol can be used if the ethanol con-
tent does not exceed 10% (E10). Gas-
ohol containing methanol is not
recommended by Yamaha because it
can cause damage to the fuel system
or vehicle performance problems.
1. Maximum fuel level
2. Fuel tank filler tube
1
2
Recommended fuel:
Regular unleaded gasoline (Gasohol
(E10) acceptable)
Fuel tank capacity: 12.0 L (3.17 US gal, 2.64 Imp.gal)
Fuel reserve amount (when the fuel
level warning light comes on):
2.2 L (0.58 US gal, 0.48 Imp.gal)
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SPECIFICATIONS
EAU5091H
Dimensions:Overall length: 2085 mm (82.1 in)
Overall width: 750 mm (29.5 in)
Overall height: 1095 mm (43.1 in)
Seat height:
785 mm (30.9 in)
Wheelbase: 1410 mm (55.5 in)
Ground clearance: 130 mm (5.1 in)
Minimum turning radius:
2400 mm (94.5 in)Weight:Curb weight:174 kg (384 lb)Engine:Engine type:Air cooled 4-stroke, SOHC
Cylinder arrangement: Single cylinder
Displacement:
399 cm
3
Bore stroke:
87.0 67.2 mm (3.43 2.65 in)
Compression ratio: 8.50 : 1
Starting system:
Kickstarter
Lubrication system: Dry sump
Engine oil:Recommended brand:
YAMALUBE
Type: SAE 10W-30, 10W-40, 10W-50, 15W-40,
20W-40 or 20W-50
Recommended engine oil grade: API service SG type or higher, JASO stan-
dard MA
Engine oil quantity: Without oil filter element replacement:
2.00 L (2.11 US qt, 1.76 Imp.qt)
With oil filter element replacement: 2.10 L (2.22 US qt, 1.85 Imp.qt)Air filter:Air filter element:
Oil-coated paper elementFuel:Recommended fuel:Regular unleaded gasoline (Gasohol (E10)
acceptable) Fuel tank capacity:
12.0 L (3.17 US gal, 2.64 Imp.gal)
Fuel reserve amount:
2.2 L (0.58 US gal, 0.48 Imp.gal)
Fuel injection:Throttle body:ID mark: 2RD1 00Spark plug(s):Manufacturer/model:
NGK/BPR6ES
Spark plug gap: 0.7–0.8 mm (0.028–0.031 in)
Clutch type: Wet, multiple-discTransmission:Primary reduction ratio:2.567 (77/30)
Final drive: Chain
Secondary reduction ratio:
2.947 (56/19)
Transmission type: Constant mesh 5-speed
Operation: Left foot operation
Gear ratio:
1st: 2.357 (33/14)
2nd:
1.556 (28/18)
3rd: 1.190 (25/21)
–20 –10 0 1020 30 40 50 C
10 30 50 70 90 110
0 130 F
SAE 10W-30
SAE 15W-40SAE 20W-40SAE 20W-50
SAE 10W-40SAE 10W-50
2RD-9-E0.book 1 ページ ２０１３年１１月２８日 木曜日 午後４時１８分
