FUEL
Always use the recommended fuel as stated below. Also, be sure to use new gasoline the day of a race.
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Gasohol
There are two types of gasohol: gasohol containing ethanol and that containing methanol. Gasohol containing ethanol can be used if the ethanol content does not exceed 10 %. Gasohol containing methanol is not recommended by Yamaha because it can cause damage to the fuel system or vehicle performance problems.
STARTING A COLD ENGINE
1.Press the shift pedal to neutral.
2.Push the starter knob “1” completely.
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3.Start the engine by pushing the start switch.
If the engine fails to start when using the start switch, release it, wait a few seconds, and then try again.
Each starting attempt should be as short as possible to preserve the battery. Do not crank the engine more than 10 seconds on any one attempt.
4.When the engine starts running, warm this up one or two minutes at a steady speed (of 3000 to 5000 r/min), and then return the starter knob to its original position.
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5.To stop the engine, push the engine stop switch “1”.
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STARTING A WARM ENGINE
Follow the same procedure as for starting a cold engine with the exception that the starter is not required when the engine is warm.
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BREAK-IN PROCEDURES
A break-in is important so that rotating portion, sliding surfaces, and mounted areas may fit one another, and that the rider may become accustomed to the machine.
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1.After warming up the engine, drive it for about 20 minutes at a throttle opening of 1/2 or less.
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2.Make a pit stop, and check mounted areas for looseness, oil leaks, or other problems.
3.Then, drive it for about 40 minutes at a throttle opening of 3/4 or less.
4.Make a pit stop again, and thoroughly check mounted areas for looseness, oil leaks, or other problems. Thorough checks and adjustments are required in particular for stretch of cables, free play of the brake, stretch of the drive chain, looseness of the spoke, and so on.
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ENGINE STARTING PRECAUTION
Make sure the transmission is in neutral or be sure to pull the clutch lever before pressing the start switch.
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