Yamaha UMX - Pre-Operation Checks; Checking the Engine Oil Level (Yum1 A;Yum2 A); Checking the Engine Cooling Inlet Duct (Yum1 A;Yum2 A); Checking the Fuel Line (Yum1 A;Yum2 A)

PRE-OPERATION CHECKS
3-4
PRE-OPERATION CHECKS
CHECKING THE ENGINE OIL LEVEL
(YUM1A/YUM2A)
1. Park the vehicle on a level surface and apply
the parking brake.
2. Remove the under-seat panel (YUM1A).
Refer to “GENERAL CHASSIS (1)” on page
4-1.
3. Lift up the cargo bed (YUM2A).
4. Check:
• Engine oil level
The engine oil level should be between the
minimum level mark “a” and maximum level
mark “b”.
Below the minimum level mark → Add the
recommended engine oil to the proper level.
TIP
Insert the dipstick “1” completely into the hole,
and then remove it again to check the oil level.
NOTICE
Do not allow foreign materials to enter the
crankcase.
5. Check the engine oil level again.
NOTICE
Be sure the engine oil is at the correct level,
otherwise engine damage may result.
CHECKING THE ENGINE COOLING INLET
DUCT (YUM1A/YUM2A)
1. Remove:
• Under-seat panel
Refer to “GENERAL CHASSIS (1)” on page
4-1.
2. Check:
• Engine cooling inlet duct “1”
Dirt/clogging → Clean.
CHECKING THE FUEL LINE (YUM1A/
YUM2A)
1. Remove:
• Under-seat panel
Refer to “GENERAL CHASSIS (1)” on page
4-1.
2. Check:
• Fuel hose “1”
Cracks/damage → Replace.
Loose connection → Connect properly.
Recommended brand
Type
SAE 10W-30 or 10W-40
Recommended engine oil grade
API service SE type or higher,
JASO MA or MB
1
b
a
1
0 10 30 50 70 90 110 130 °F
–20 –10 0 10 20 30 40 50 °C
SAE 10W-30
SAE 10W-40
1