2001 YAMAHA YFM660R drain bolt

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1. Engine oil crankcase drain bolt
1. Boulon de vidange du carter d’huile de moteur
1. Perno de drenaje de aceite de motor del cárter
4. Remove the crankcase drain bolt.
5. Check the washer for damage, and re-
place it if necessary.
6. Remove the engine oil tank filler cap and
the drain bolt.
NOTE:
Skip steps 7–8 if the oil filter cartridge is not be-
ing replaced.
1. Engine oil tank drain bolt
1. Boulon de vidange du réservoir d’huile de moteur
1. Perno de drenaje de aceite de motor del motor

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Yuki_DATA2:HM00G210_YFM660R-60:YFM350-8.frameEL
1. Engine oil filter cartridge
2. Oil filter wrench
1. Cartouche du filtre à huile de moteur
2. Clé pour filtre à huile
1. Cartucho del filtro de aceite de motor
2. Llave para filtros de aceite
7. Remove the oil filter cartridge with an oil
filter wrench.
NOTE:
An oil filter wrench is available at a nearby
Yamaha dealer.
8. Install a new oil filter cartridge and tighten
it to the specified torque with an oil filter
wrench.
9. Install the crankcase engine oil drain bolt
and the engine oil tank drain bolt, then
tighten them to the specified torques. Tightening torque:
Oil filter cartridge:
17 Nm (1.7 m·kg)
Tightening torques:
Crankcase engine oil drain bolt:
30 Nm (3.0 m·kg)
Engine oil tank drain bolt:
25 Nm (2.5 m·kg)

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EBU00817
Changing the coolant
WARNING
Wait for the engine and radiator to cool before
removing the radiator cap. You could be
burned by hot fluid and steam blown out un-
der pressure. Always put a thick rag over the
cap when opening. Allow any remaining pres-
sure to escape before completely removing
the cap.
1. Place the ATV on a level surface.
2. Remove panel A. (See page 8-15 for panel
removal and installation procedures.)
3. Place a container under the engine, and
then remove the coolant drain bolt.
4. Remove the radiator cap.
5. Remove the coolant reservoir cap.
1. Coolant drain bolt
1. Boulon de vidange du liquide de refroidissement
1. Perno de drenaje de refrigerante
1. Radiator cap
1. Bouchon de radiateur
1. Tapa del radiador

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6. Disconnect the hose on the coolant reser-
voir side, and then drain the coolant from
the coolant reservoir.
7. After draining the coolant, thoroughly
flush the cooling system with clean tap
water.
8. Replace the coolant drain bolt washer if it
is damaged, and then tighten the coolant
drain bolt to the specified torque.
9. Install the coolant reservoir hose.
10. Pour the recommended coolant into the
radiator until it is full. Tightening torque:
Coolant drain bolt:
10 Nm (1.0 m·kg)
1. Hose
1. Flexible
1. Manguera