Suzuki GSX-S125-L9 2018 Owner's Manual

The recommended tire pressure for the Suzuki GSX-S125-L9 2018 is 29 psi for the front tire and 36 psi for the rear tire.
It is recommended to change the engine oil every 3,000 miles or once a year, whichever comes first.
The Suzuki GSX-S125-L9 2018 requires 10W-40 motorcycle oil that meets API SG or higher and JASO MA standards.
To adjust the chain tension, loosen the rear axle nut, adjust the chain adjusters evenly on both sides, and ensure there is 1.2 to 1.6 inches of slack in the chain. Tighten the axle nut once adjusted.
Check the battery charge, ensure the kill switch is in the 'Run' position, confirm there is fuel in the tank, and check the spark plug for fouling. If issues persist, consult a professional mechanic.
To improve fuel efficiency, ensure regular maintenance, keep the tires properly inflated, avoid aggressive acceleration, and reduce idling time.
Remove the air filter cover, take out the filter, clean it with compressed air or wash it with soap and water, dry it completely, and then reinstall it.
For winter storage, fill the fuel tank and add a fuel stabilizer, change the oil, inflate the tires, disconnect the battery, and cover the motorcycle to protect it from dust and moisture.
Signs include a squealing noise when braking, reduced braking performance, and visible wear on the brake pads below 3mm thickness.
To check the coolant level, ensure the engine is cool, locate the coolant reservoir, and ensure the coolant level is between the 'Full' and 'Low' marks. Top up if necessary with the recommended coolant type.