Yamaha FZ6-ST Supplementary Service Manual page 149

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CHANGING THE COOLANT

3. Disconnect:

S coolant reservoir cap 1

(from the coolant reservoir tank)

S radiator cap lock bolt 1

S radiator cap 2

A hot radiator is under pressure. Therefore,

do not remove the radiator cap when the en-

gine is hot. Scalding hot fluid and steam may

be blown out, which could cause serious in-

jury. When the engine has cooled, open the

radiator cap as follows:

Place a thick rag or a towel over the radiator

cap and slowly turn the radiator cap coun-

terclockwise toward the detent to allow any

residual pressure to escape. When the his-

sing sound has stopped, press down on the

radiator cap and turn it counterclockwise to

The following procedure applies to all of the

coolant drain bolts and copper washers.

S coolant drain bolt (water pump) 1

(along with the copper washer)

(from the engine and radiator)

S copper washer 1

(coolant drain bolt-water pump 2 )

S coolant drain bolt (water pump)

(with copper washer)

10 Nm (1.0 mSkg, 7.2 ftSlb)

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