Yamaha SRX120 2014 Operator's Manual
![Yamaha SRX120 2014 manual cover](/images/6502d47a0e67b0a3b3ac4d95/thumbs/thumb175x175.webp)
The Yamaha SRX120 2014 is designed to run on regular unleaded gasoline with a minimum octane rating of 87.
It's recommended to change the engine oil every season or after every 20 hours of use, whichever comes first.
The recommended tire pressure for the Yamaha SRX120 2014 is 4.5 psi for both front and rear tires.
To adjust the chain tension, loosen the axle nut and adjust the chain tensioner bolts until the proper tension is achieved, then retighten the axle nut.
If the Yamaha SRX120 2014 won't start, check the fuel level, ensure the kill switch is in the run position, verify the choke is not engaged, and inspect the spark plug for fouling.
Regularly clean the carburetor by removing it from the engine, disassembling it, and using a carburetor cleaner to remove any deposits. Reassemble carefully and ensure all parts are in good condition.
The recommended spark plug for the Yamaha SRX120 2014 is NGK CR7HSA. Ensure it is gapped correctly to 0.6-0.7 mm.
To store the Yamaha SRX120 2014 for the off-season, drain the fuel system, change the oil, clean the snowmobile thoroughly, and store it in a dry, covered location. Consider using a fuel stabilizer if not draining the fuel.
Common troubleshooting steps for a misfiring Yamaha SRX120 2014 include checking the spark plug for fouling, ensuring the fuel is fresh and the correct mixture, and inspecting the air filter for clogs.
To replace the drive belt on the Yamaha SRX120 2014, remove the belt guard, release tension on the belt by loosening the tensioner, remove the old belt, and install the new belt ensuring proper alignment and tension.