2009 Yamaha Motorsports VMAX Owners Manual - Page 94
2009 Yamaha Motorsports VMAX Manual
Page 94 highlights
PERIODIC MAINTENANCE AND ADJUSTMENT Engine overheating EWAT1040 ● 1 ● 2 3 4 5 6 7 8 9 WARNING Do not remove the radiator cap when the engine and radiator are hot. Scalding hot fluid and steam may be blown out under pressure, which could cause serious injury. Be sure to wait until the engine has cooled. Place a thick rag, like a towel, over the radiator cap, and then slowly rotate the cap counterclockwise to the detent to allow any residual pressure to escape. When the hissing sound has stopped, press down on the cap while turning it counterclockwise, and then remove the cap. There is leakage. There is no leakage. The coolant level is low. Check the cooling system for leakage. Wait until the engine has cooled. Check the coolant level in the reservoir and radiator. The coolant level is OK. Have a Yamaha dealer check and repair the cooling system. Add coolant. (See TIP.) Start the engine. If the engine overheats again, have a Yamaha dealer check and repair the cooling system. TIP If coolant is not available, tap water can be temporarily used instead, provided that it is changed to the recommended coolant as soon as possible. 7-43