1-12
FUEL AND ENGINE MIXING OIL
GEN
INFO
EC160050
FUEL AND ENGINE MIXING OIL
Mix oil with the gas at the ratio specified below.
Always use fresh, name-brand gasoline, and mix
the oil and gas the day of the race. Do not use
premix that is more than a few hours old.
NOTE:
Except for AUS:
1. If knocking or pinging occurs, use a different
brand of gasoline or higher octane grade.
2. If unleaded gasoline is not available, then
leaded gasoline can be used.
cC
Never mix two types of oil in the same
batch; clotting of the oil could result. If you
wish to change oil types, be sure to drain
the fuel tank and the carburetor float bowl
of old premix prior to filling with the new
type.
Fuel tank capacity:
8.0 L (1.76 Imp gal, 2.11 US gal)
Mixing oil
Recommended oil:
Yamalube “2-R”
(Yamalube racing 2-cycle oil)
Mixing ratio: 30 : 1
If unavailable, use an equivalent
type of oil.
Recommended fuel:
Except for AUS:
Premium unleaded fuel with
a research octane number of
95 or higher.
For AUS:
Unleaded fuel only
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2-1
GENERAL SPECIFICATIONSSPEC
Model name: YZ250LC (EUROPE)
YZ250N1 (USA)
YZ250(N) (CDN, AUS, NZ, ZA)
Model code number: 5MW1 (USA, CDN, ZA)
5MW2 (EUROPE)
5MW4 (AUS, NZ)
Dimensions: USA, CDN, ZA EUROPE AUS, NZ
Overall length 2,179 mm 2,178 mm 2,179 mm
(85.8 in) (85.7 in) (85.8 in)
Overall width 827 mm¬¬
(32.6 in)
Overall height 1,307 mm 1,302 mm 1,303 mm
(51.5 in) (51.3 in) (51.3 in)
Seat height 989 mm¬¬
(38.9 in)
Wheelbase 1,482 mm¬¬
(58.3 in)
Minimum ground clearance 392 mm 391 mm 392 mm
(15.4 in) (15.4 in) (15.4 in)
Basic weight:
With oil and full fuel tank 104.5 kg (230 lb)
Engine:
Engine type Liquid cooled 2-stroke, gasoline
Cylinder arrangement Single cylinder, forward inclined
Displacement 249 cm
3(8.76 lmp oz, 8.42 US oz)
Bore ´Stroke 66.4 ´72 mm (2.614 ´2.835 in)
Compression ratio 9.1~10.6 : 1
Starting system Kick starter
Lubrication system: Premix (30 : 1)(Yamalube 2-R)
Oil type or grade (2-Cycle):
Transmission oil Yamalube 4 (10W-30) or SAE 10W-30 type SE
motor oil
Periodic oil change 0.75 L (0.66 Imp qt, 0.79 US qt)
Total amount 0.80 L (0.70 Imp qt, 0.85 US qt)
Coolant capacity (including all routes): 1.20 L (1.06 Imp qt, 1.27 US qt)
Air filter: Wet type element
Fuel:
Type Except for AUS: Premium unleaded fuel
with a research octane
number of 95 or higher
For AUS: Unleaded fuel only
Tank capacity 8.0 L (1.76 Imp gal, 2.11 US gal)
EC200000
SPECIFICATIONSEC211000
GENERAL SPECIFICATIONS
2
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