1998 YAMAHA T105 oil level

22
PRE-OPERATION CHECKS
Before using this motorcycle, check the following points:
Item Routine Page
Fuel9Check fuel level/top up as required. 24
Engine oil9Check oil level/add oil as required. 25, 41~43
9Check operation, condition and free play. Adjust if necessary.
BrakeMake sure the brankes are working properly by checking at 50~52
low speed shortly.
Throttle grip/Housing9Check for smooth operation. Lubricate/Adjust if necessary.—
Drive chain9Check chain slack and condition. Adjust if necessary. 53~56
Wheels/Tires9Check tire pressure, wear, damage and spoke tightness. 26~27
Control/Meter cable9Check for smooth operation. Lubricate if necessary.—
Brake and shift pedal shafts9Check for smooth operation. Lubricate if necessary. 57
Brake lever pivots9Check for smooth operation. Lubricate if necessary. 57
Center and sidestand pivots9Check for smooth operation. Lubricate if necessary. 57
Fittings/fasteners9Check all chassis fittings and fasteners.
—
9Tighten/Adjust, if necessary.
Lights and signals9Check for proper operation.—
Switches9Check for proper operation.—
Battery9Check fluid level, top-up with distilled water if necessary. 59~61
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EAE40104*Engine oil
Make sure the engine oil is at the specified
level. Fill with oil as necessary (see page 41
for details).
25
1Oil level gauge2Upper level3Lower level
Recommended oil:
Yamalube 4 (20W40) or equivalent
SAE 20W40 type SE motor oil
Oil quantity:
Total amount:
1.0 L
Periodic oil change:
0.8 L
T105(E) O/M-2 9/11/01 11:17 AM Page 25 (1,1)

EAH48201*Engine oil
1. Oil level measurement
a. Place the motorcycle on the center-
stand. Warm up the engine for several
minutes.EUU03901NOTE:
Be sure the motorcycle is positioned
straight up when checking the oil level. A
slight tilt toward the side can result in false
readings.b. With the engine stopped, wait a few
minutes and then remove the oil level
gauge.
c. Wipe the oil level gauge off with a
clean rag and insert it in the filler hole
without screwing it in.
41
1Oil level gauge2Upper level3Lower level
T105(E) O/M-2 9/11/01 11:17 AM Page 41 (1,1)

d. The oil level should be between the
maximum and minimum marks. If
the level is low, add sufficient oil to
raise it to the proper level.
2. Engine oil replacement
a. Warm up the engine for a few min-
utes.
b. Stop the engine. Place an oil pan
under the engine, and remove the
oil level gauge.
c. Remove the drain plug and drain the
oil.
d. Reinstall the drain plug (make sure it
is tight.)
42
q
1Drain plug
Tightening torque
Drain plug20 Nm (2.0 m•kg)
T105(E) O/M-2 9/11/01 11:17 AM Page 42 (1,1)

e. Fill engine with oil through the oil
level gauge hole.EUU47700cC9Do not put in any chemical additives or
use oils with a grade of “CD (for Diesel
engine)” or higher. Also, be sure not to
use oils labeled “ENERGY CONSERVING
II” or higher. Engine oil also lubricates
the clutch and additives could cause
clutch slippage.
9Be sure no foreign material enters the
crankcase.f. Start the engine and warm up for a
few minutes. While warming up check
for oil leakage. If oil leakage is found,
stop the engine immediately, and ask
a Yamaha dealer to check the cause.
43
Recommended oil:
See page 25
Oil quantity:
Total amount:
1.0 L
Periodic oil change:
0.8 L
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