Yamaha MT-03 - Service manual > Engine

Engine removal

Installing the engine

1. Install:

• Engine (on the frame)
• Special tool "1"

NOTE:

Insert the special tool "1" in its position until it is engaged to the special nut grooves "2".

Engine alignment tool "1" 90890-11097

2. Install:

• Engine rear mounting bolt/nut "3" (tighten the nut until just touching the bracket)
• Engine front bracket "4"
• Engine front bracket bolts/nuts "5" (tighten the nuts until just touching the bracket)
• Engine front mounting bracket bolts/nuts "6" (tighten the nuts until just touching the bracket)
• Engine upper bracket (left) "7"
• Engine upper bracket (right) "8"
•  Engine upper bracket bolts/nuts "9" (tighten the nuts until just touching the bracket)
• Engine upper mounting bolt/nut "10" (tighten the nut until just touching the bracket)

NOTE:

Do not fully tighten the bolts.

3. Tighten:

• Special nut "2" (using the special tool "1")

Special nut "2" 18 Nm (1.8 m*kg, 13 ft*lb)

NOTE:

Leave the special tool in its position and start tightening all nuts to the indicated torque according to the sequence indicated.

4. Tighten:

• Engine rear mounting bolt/nut "3"
• Engine front bracket bolt/nut (upper) "5"
• Engine front bracket bolt/nut (lower) "5"
• Engine front mounting bracket bolt/nut (upper) "6"
• Engine front mounting bracket bolt/nut (lower) "6"
• Engine upper bracket bolt/nut (front) "9"
• Engine upper bracket bolt/nut (rear) "9"
• Engine upper mounting bolt/nut "10"

Engine rear mounting bolt/nut "3" 65 Nm (6.5 m*kg, 47 ft*lb) Engine front bracket bolts/nuts "5" 65 Nm (6.5 m*kg, 47 ft*lb) Engine front mounting bracket bolts/nuts "6" 65 Nm (6.5 m*kg, 47 ft*lb) Engine upper bracket bolts/nuts "9" 65 Nm (6.5 m*kg, 47 ft*lb) Engine upper mounting bolt/nut "10" 55 Nm (5.5 m*kg, 40 ft*lb)

5. Remove:

• Special tool "1"

6. Install

• Tension pipe (L.H.) "11"

7. Tighten:

• Tension pipe bolts

Tension pipe bolts 30 Nm (3.0 m*kg, 22 ft*lb)

• Cylinder head
• Rocker arms and camshaft
• Valves and valve springs
• Cylinder and piston
• Clutch
• Starter clutch and A.C. Magneto
• Crankcase

See also: