Yamaha VMX12N, VMX12NC VMAX 2001 Owner's Manual
![Yamaha VMX12N, VMX12NC VMAX 2001 manual cover](/images/1d1bbdfdbf61a6c9b0b5cce5/thumbs/thumb175x175.webp)
It is recommended to use Yamalube 4-Stroke Motor Oil or any high-quality SAE 20W-40, 20W-50, 10W-40, or 10W-30 that meets or exceeds API service classification SG or higher.
The oil should be changed every 4,000 miles or at least once a year, whichever comes first. Always replace the oil filter when changing the oil.
The recommended tire pressure is 36 psi for the front tire and 36 psi for the rear tire. Always check the tire pressure when the tires are cold.
If the VMAX 2001 is having starting issues, check the battery charge, ensure the fuel is fresh, inspect the spark plugs, and verify that the fuel pump is working properly.
To store the VMAX 2001 for winter, clean the bike thoroughly, change the oil, fill the gas tank and add a fuel stabilizer, disconnect the battery, and keep the bike covered in a dry, cool place.
To adjust the clutch, locate the clutch cable adjuster near the left handlebar. Loosen the locknut and turn the adjuster until there is approximately 10-15mm of free play at the lever, then tighten the locknut.
Symptoms of a failing fuel pump include difficulty starting, sputtering at high speeds, unexpected stalling, and a noticeable decrease in fuel efficiency.
To replace the air filter, remove the seat, unscrew the airbox cover, take out the old air filter, and insert the new one. Ensure the new filter is seated properly and replace the airbox cover and seat.
The correct spark plug for the Yamaha VMX12N VMAX 2001 is NGK DPR8EA-9 or an equivalent that matches the specifications.
To change the coolant, ensure the engine is cool, remove the radiator cap, drain the old coolant by opening the drain bolt, flush the system with distilled water, close the drain bolt, and refill with a 50/50 mix of antifreeze and distilled water.