Coolant Draining; Replenishing Coolant; Safety Information; Ride With Care And Good Judgement - Yamaha YTZ250S 1986 Service Manual

Coolant Draining
1. Place a container under the engine.
2. Remove the radiator tank cap.
3. Gently loosen the pump cover drain
screw to drain the coolant, and remove
the cylinder drain bolt.
,
,. Pump cover drain bolt 2. Cylinder drain bolt
4. Drain the coolant completely. Thoroughly
flush the cooling system with clean tap
water.
Take care so that coolant does not splash
on painted surfaces. If it splashes, wash it
away with water.
5. Retighten the drain bolts.
If the gasket is damaged, replace it.
Replenis.hing Coolant
NOTE: ______________________ _
Before pouring the coolant into the radiator,
check the cooling system for damage, loose
joints or leaks.
1. Pour the recommended coolant into the
radiator up to the specified level.
2. After starting the engine, race the engine
a few times and add the coolant again up
to the specified level.
3. When the coolant level becomes stable,
stop the engine and tighten the radiator
cap.
1-6
SAFETY INFORMATION
When you ride your machine, you must know
and use the following for your safety:
Ride with Care and Good Judgement:
1. Speed limiter
For beginning riders, this model is equip-
ped with a speed limiter in the throttle
lever housing. The speed limiter limits the
top speed of the machine. Turning the
screw in decreases the top speed and tur-
nningit out increases the top speed. (See
(page 2-8)
2. Riding your machine requires skills ac-
quired through practice over a period of
time. Take the time to learn the basic
techniques well before attempting more
difficult maneuvers.
3. This machine is designed to carry one per-
son only. Do not carry a passenger.