Yamaha Tracer MT09TRA - Service manual > Oil pump

Checking the sprocket and chain

1. Check:

• Oil pump drive sprocket Refer to "CHECKING THE CLUTCH HOUSING"

2. Check:

Oil pump drive chain "1", Damage/stiffness → Replace the oil pump drive chain and oil pump drive sprocket (clutch housing) as a set.

Checking the oil pump

1. Check:

• Oil pump driven sprocket "1"
• Oil pump housing "2"

Cracks/damage/wear → Replace the defective part(s).

2. Measure:

• Inner-rotor-to-outer-rotor-tip clearance "a"
• Outer-rotor-to-oil-pump-housing clearance "b"
• Oil-pump-housing-to-inner-rotor-and-outerrotor clearance "c"

Out of specification →  Replace the defective part(s).

Inner-rotor-to-outer-rotor-tip clearance Less than 0.120 mm (0.0047 in)

Limit 0.20 mm (0.0079 in)

Outer-rotor-to-oil-pump-housing clearance 0.09-0.19 mm (0.0035-0.0075 in)

Limit 0.21 mm (0.0083 in)

Oil-pump-housing-to-inner-andouter- rotor clearance 0.06-0.13 mm (0.0024-0.0051 in)

Limit 0.16 mm (0.0065 in)

1. Inner rotor

2. Outer rotor

3. Oil pump housing

3. Check:

• Oil pump operation Rough movement →  Repeat steps (1) and (2) or replace the defective part(s).

Checking the relief valve

1. Check:

• Relief valve "1"
• Spring "2"

Damage/wear → Replace the oil pump assembly.

Assembling the oil pump

1. Lubricate:

• Inner rotor
• Outer rotor
• Oil pump shaft (with the recommended lubricant)

Recommended lubricant Engine oil

2. Install:

• Outer rotor "1"
• Inner rotor "2"
• Pin "3"
• Oil pump cover "4"
• Oil pump cover screw

Oil pump cover screw 3.8 Nm (0.38 m*kgf, 2.8 ft*lbf)

TIP

Align the pin "3" in the oil pump shaft with the groove in the inner rotor "2".

3. Check:

• Oil pump operation Refer to "CHECKING THE OIL PUMP"

Installing the oil pump

1. Install:

• Oil pump "1"
• Oil pump bolts "2"

Oil pump bolt 10 Nm (1.0 m*kgf, 7.2 ft*lbf)

• Oil pump driven sprocket "3"

Oil pump driven sprocket bolt 15 Nm (1.5 m*kgf, 11 ft*lbf) LOCTITE

NOTICE

After installing the oil pump drive chain and driven sprocket, make sure the oil pump turns smoothly.

TIP

• 1RC mark of the oil pump driven sprocket is installed at oil pump side.
• Install the oil pump drive chain onto the oil pump driven sprocket.

Oil pan

A. MT09TRA for Europe: RN29F0011886 and after MT09TRAG for Oceania: RN29K 0000556 and after

Removing the oil pan

1. Remove:

• Oil level switch "1"
• Oil pan "2"
• Oil pan gasket

TIP

Loosen each bolt 1/4 of a turn at a time, in stages and in a crisscross pattern. After all of the bolts are fully loosened, remove them.

A. MT09TRA for Europe: RN29F0011886 and after MT09TRAG for Oceania: RN29K 0000556 and after

Checking the oil strainer

1. Check:

• Oil strainer "1" Damage → Replace.

  Contaminants → Clean with solvent.

Installing the oil pan

1. Install:

• Gasket
• Oil pan "1"

Oil pan bolt 10 Nm (1.0 m*kgf, 7.2 ft*lbf)

• Oil level switch "2"

Oil level switch bolt 10 Nm (1.0 m*kgf, 7.2 ft*lbf)

• Engine oil drain bolt "3"

Engine oil drain bolt 43 Nm (4.3 m*kgf, 31 ft*lbf)

WARNING

Always use new copper washers.

TIP

• Tighten the oil pan bolts in stages and in a crisscross pattern.
• Lubricate the oil level switch O-ring with lithium- soap-based grease.

A. MT09TRA for Europe: RN29F0011886 and after MT09TRAG for Oceania: RN29K 0000556 and after

See also: