10-2
10
Engine:
Type Air-cooled 4-stroke, SOHC
Cylinder arrangement Single cylinder, forward-inclined
Displacement 229.6 cm
Bore
× stroke 71
× 58 mm
Compression ratio 8.7:1
Starting system Electric starter and recoil starter
Lubrication system Wet sump
Engine oil:
Type
Recommended engine oil classification API Service SE, SF, SG type or higherModel YFM250X
-20˚-10˚0˚
10˚20˚30˚40˚50˚C
10W/30
15W/4020W/4020W/50
10W/40
5W/30
EE.book Page 2 Monday, June 25, 2001 2:27 PM
10-3
Quantity:
Periodic oil change (engine oil)
Periodic oil change
(engine oil with oil filter replacement)
Total amount1.5 L
1.6 L
1.8 L
Final gear oil:
Type SAE80API “GL-4” Hypoid Gear Oil
Quantity
Total amount 0.27 L
Air filter: Dry type element
Fuel:
Type For Europe: Regular unleaded gasoline
For Australia: Unleaded gasoline only
Tank capacity 12 L
Reserve amount 1.6 LModel YFM250X
CAUTION:Be sure to use motor oils that do not contain anti-
friction modifiers. Passenger car motor oils (often
labeled “Energy Conserving II”) contain anti-fric-
tion additives which will cause clutch and/or
starter clutch slippage, resulting in reduced com-
ponent life and poor engine performance.
EE.book Page 3 Monday, June 25, 2001 2:27 PM
