Yamaha SXV70ERJ, SXV70MJ, SXV70SJ, VT70J 2004 Owner's Manual

Yamaha SXV70ERJ, SXV70MJ, SXV70SJ, VT70J 2004 manual cover

Pages 102

Year 2004

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Yamaha SXV70ERJ, SXV70MJ, SXV70SJ, VT70J 2004 Specification

The 2004 Yamaha SXV70ERJ, SXV70MJ, SXV70SJ, and VT70J models are part of Yamaha's line-up of snowmobiles, designed to deliver reliable performance and versatility in various snow conditions. Each model is equipped with a robust 2-stroke engine, providing a balance of power and efficiency. The SXV70ERJ and its counterparts feature a liquid-cooled engine system, ensuring optimal thermal management and enhanced performance during prolonged use. These models come with a variable ratio transmission (VRT), which ensures smooth power delivery and efficient fuel consumption. The chassis is constructed from durable materials to withstand harsh environments, while the suspension system is engineered for superior handling and comfort, featuring independent front suspension and a durable rear suspension system tailored to absorb shocks and bumps effectively. The models are equipped with a reliable braking system, ensuring safety and control in various terrains. With ergonomic design considerations, the seating and handlebar configuration provide comfort for extended rides. A digital display provides essential information such as speed, engine temperature, and fuel levels, enhancing user convenience and operational awareness. The Yamaha SXV70ERJ, SXV70MJ, SXV70SJ, and VT70J models are designed with a focus on durability and performance, making them suitable for both recreational and utility purposes in snow-covered areas.

Yamaha SXV70ERJ, SXV70MJ, SXV70SJ, VT70J 2004 F.A.Q.

What is the recommended oil type for Yamaha SXV70ERJ, SXV70MJ, SXV70SJ, VT70J 2004?

The recommended oil type for these models is Yamalube 4-stroke motor oil 10W-40, which ensures optimal engine performance and protection.

How often should I perform maintenance on my Yamaha snowmobile?

It is advised to perform maintenance every 500 miles or at the start of each season, whichever comes first, to ensure reliable performance and longevity.

How can I troubleshoot starting issues with my Yamaha snowmobile?

Check the battery charge, ensure the fuel is fresh, inspect the spark plugs for wear, and confirm that the kill switch is in the correct position.

What is the correct spark plug gap for Yamaha SXV70 series?

The correct spark plug gap for the Yamaha SXV70 series is 0.028-0.031 inches (0.7-0.8 mm). Always check the spark plug specifications in the owner’s manual.

How do I adjust the track tension on my Yamaha VT70J?

To adjust the track tension, elevate the rear of the snowmobile, loosen the lock nuts on both sides, and turn the adjusters equally until the specified tension is achieved. Consult the manual for tension specifications.

What steps should I take to store my Yamaha snowmobile during the off-season?

Clean the snowmobile thoroughly, stabilize the fuel, change the oil, remove the battery, and store it in a dry, covered location. Consider using a cover to protect it from dust and debris.

How can I improve the fuel efficiency of my Yamaha SXV70ERJ?

Regular maintenance such as changing the spark plugs, using fresh fuel, ensuring proper track tension, and maintaining correct tire pressure can improve fuel efficiency.

What should I do if the engine overheats on my Yamaha snowmobile?

Stop the engine immediately to prevent damage. Check the coolant levels, ensure there are no leaks, and inspect the cooling fan and thermostat for proper operation.

How do I replace the drive belt on my Yamaha SXV70MJ?

To replace the drive belt, remove the belt guard, compress the secondary clutch, and slide the belt off. Install the new belt in reverse order, ensuring proper alignment.

What is the best way to clean the carburetor on my Yamaha snowmobile?

Remove the carburetor, disassemble it, and use a carburetor cleaner to clean all parts thoroughly. Ensure all jets and passages are clear before reassembling and reinstalling.