2012 Yamaha Motorsports RS Venture Owners Manual - Page 84

2012 Yamaha Motorsports RS Venture Manual

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Periodic maintenance and adjustment Remember: Less air at higher altitude means there is less horsepower available, even with the optimal air/fuel ratio. Expect acceleration and top speed to be reduced at higher altitudes. To overcome operating with less power at high altitudes, your snowmobile may also require different settings for the drive chain gears and V-belt clutch to avoid poor performance and rapid wear. If you plan to operate your snowmobile at an altitude different from the area where you bought it, be sure to consult a Yamaha dealer. The dealer can tell you if there are any changes necessary for the altitude where you plan to ride. NOTICE: The drive chain gears and V-belt clutch should be adjusted when operating above a high altitude of 900 m (3000 ft). Consult a Yamaha dealer. [ECS00431] ESU11950 ECS00482 NOTICE G G G Do not run the engine with too much or not enough oil in the oil tank. Oil could spray out or the engine could be damaged. Be sure to change the engine oil after the first 800 km (500 mi) of operation, and every 4000 km (2500 mi) thereafter or at the start of a new season, otherwise the engine will wear quickly. The oil filter cartridge should be replaced after the first 800 km (500 mi) of operation, and every 20000 km (12000 mi) of operation thereafter. To check the engine oil level 1. Place the snowmobile on a level surface and apply the parking brake. Valve clearance The valve clearance changes with use, resulting in improper air-fuel mixture and/or engine noise. To prevent this from occurring, the valve clearance must be adjusted by a Yamaha dealer at the intervals specified in the periodic maintenance chart. ESU13795 Engine oil and oil filter cartridge The engine oil level should be checked before each use. In addition, the oil must be changed and the oil filter cartridge replaced at the intervals specified in the periodic maintenance and lubrication chart. EWS00370 2. Start the engine, warm it up for 10-15 minutes, and then turn it off. The engine can also be warmed up by driving the snowmobile for 10-15 minutes. After operating the snowmobile, allow the engine to idle for at least 10 seconds before turning it off. TIP G WARNING Engine oil is extremely hot immediately after the engine is turned off. Coming into contact with or getting any engine oil on your clothes could result in burns. G 78

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Periodic maintenance and adjustment
78
Remember:
Less air at higher altitude means there is less
horsepower available, even with the optimal
air/fuel ratio. Expect acceleration and top
speed to be reduced at higher altitudes.
To overcome operating with less power at
high altitudes, your snowmobile may also re-
quire different settings for the drive chain
gears and V-belt clutch to avoid poor perfor-
mance and rapid wear. If you plan to operate
your snowmobile at an altitude different from
the area where you bought it, be sure to con-
sult a Yamaha dealer. The dealer can tell you
if there are any changes necessary for the al-
titude where you plan to ride.
NOTICE:
The
drive chain gears and V-belt clutch should
be adjusted when operating above a high
altitude of 900 m (3000 ft). Consult a
Yamaha dealer.
[ECS00431]
ESU11950
Valve clearance
The valve clearance changes with use, result-
ing in improper air-fuel mixture and/or engine
noise. To prevent this from occurring, the
valve clearance must be adjusted by a
Yamaha dealer at the intervals specified in
the periodic maintenance chart.
ESU13795
Engine oil and oil filter cartridge
The engine oil level should be checked before
each use. In addition, the oil must be changed
and the oil filter cartridge replaced at the inter-
vals specified in the periodic maintenance
and lubrication chart.
WARNING
EWS00370
Engine oil is extremely hot immediately af-
ter the engine is turned off. Coming into
contact with or getting any engine oil on
your clothes could result in burns.
NOTICE
ECS00482
●
Do not run the engine with too much or
not enough oil in the oil tank. Oil could
spray out or the engine could be dam-
aged.
●
Be sure to change the engine oil after
the first 800 km (500 mi) of operation,
and every 4000 km (2500 mi) thereafter
or at the start of a new season, other-
wise the engine will wear quickly.
●
The oil filter cartridge should be re-
placed after the first 800 km (500 mi) of
operation, and every 20000 km (12000
mi) of operation thereafter.
To check the engine oil level
1.
Place the snowmobile on a level surface
and apply the parking brake.
2.
Start the engine, warm it up for 10–15
minutes, and then turn it off.
TIP
●
The engine can also be warmed up by driv-
ing the snowmobile for 10–15 minutes.
●
After operating the snowmobile, allow the
engine to idle for at least 10 seconds before
turning it off.