Fuel, Oil And Coolant; Fuel; Engine Mixing Oil; Transmission Oil - Yamaha YTZ250S 1986 Service Manual

FUEL, OIL AND COOLANT
Fuel
Recommended fuel:
Premium fuel with an octane rating of
at least 90.
Fuel tank capacity:
10.0 L (2.2 Imp gal, 2.6 US gal)
Engine Mixing Oil
Recommended oil: Yamalube "R"
(Yamalube Racing 2-cycle oil)
Mixing ratio: 24: 1
If for any reason you should use another type,
select from the following list.
Recommended oil Mixing ratio (Break-in)
Castrol
R30
A545*
20: 1
A747
*In Germany brand name is Castrol T.T.S ., but same quality as
A545.
Never mix two types of oil in the same
batch; clotting of the oil could result.
Transmission Oil
Recommended oil:
SAE 10W30 SE
Transmission oil capacity:
Periodic oil change:
1000 cm 3 (0.88 Imp qt, 1.06 US qt)
Overhaul:
1050 cm 3 (0.92 Imp qt, 11.0 US qt)
1-4
1. Drain plug
1. Filler plug
CHECKING OIL LEVEL
On the right side of the engine there is a
checking screw. To check, warm up the
engine for 1 minute. Stop engine. Leave the
engine as it is for a few minutes and place the
machine upright, then remove the oil level
checking screw. If oil flows out, the oil level is
correct.
1. Checking screw