Yamaha TZ250M, Owner'S Service Manual

Page: 32 / 287

STARTING AND BREAK-IN
1-17
EC190000
STARTING AND BREAK-IN
CC CAUTION:
Before starting the machine, perform the
checks in the pre-operation check list.
W
Never start or run the engine in a closed
area. The exhaust fumes are poisonous;
they can cause loss of consciousness and
death in a very short time. Always operate
the machine in a well-ventilated area.
EC191032
STARTING A COLD ENGINE
1. Connect the power supply coupler.
2. Turn the fuel cock to “ON” and push the
starter lever (CHOKE).
3. Move the main switch to “RUN”.
4. Shift the transmission into “1st” gear.
5. Apply the clutch lever and push the
machine.
6. After gaining some momentum, release the
clutch lever.
7. As soon as the engine starts, quickly apply
the clutch lever again and open the throttle
grip slightly at the same time so as to sus-
tain idling of the engine. Then, shift the
transmission into neutral.
8. After applying full-throttle a few times, turn
the starter lever (CHOKE) to the original
position. Take some time to allow the
engine to warm up.
EC192000
WARMING UP
Run the engine at varying speeds 5,000~6,000
r/min for 1~2 minutes. Fully warm up until the
water temperature gauge reads 70 ˚C (158 ˚F)
or so.
CC CAUTION:
Do not warm up the engine for extended
periods.
GEN
INFO