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Mazda 5. Manual - part 16

01–50–4

TECHNICAL DATA

Valve seat contact width

(mm {in}) Standard

1.2—1.6 {0.048—0.062}

Valve seat angle

(

°)

Valve seat sinking
(Valve protrusion height)

(mm {in}) Standard

40.64—42.24 {1.600—1.662}

40.50—42.10 {1.595—1.657}

Valve spring

Out-of-square

(mm {in}) Maximum

1.95 {0.0767}

Pressing force

(N {kgf, lbf}) [mm {in}] Standard height H

390 {39.76, 87.67} [28.68 {1.129}]

OCV (Oil control valve)

Coil resistance [20

° C {68°F}]

(ohm) Standard

6.9—7.9

Camshaft

Camshaft runout

(mm {in}) Maximum

0.03 {0.0012}

Cam lobe height

(mm {in})

Standard

42.44 {1.671}

41.18 {1.622}

Minimum

42.33 {1.666}

41.06 {1.616}

Journal diameter

(mm {in})

Standard

24.96—24.98 {0.9827—0.9834}

Minimum

24.95 {0.982}

Journal oil clearance

(mm {in})

Standard

0.04—0.08 {0.002—0.003}

Maximum

0.09 {0.0035}

End play

(mm {in})

Standard

0.09—0.24 {0.0035—0.0099}

Maximum

0.25 {0.009}

Tappet

Tappet bore diameter

(mm {in}) Standard

31.000—31.030 {1.2205—1.2216}

Tappet diameter

(mm {in}) Standard

30.970—30.980 {1.2193—1.2196}

Tappet-to-Tappet bore oil
clearance

(mm {in})

Standard

0.02—0.06 {0.0008—0.0023}

Maximum

0.15 {0.006}

Cylinder block

Cylinder head gasket
contact surfaces distortion

(mm {in}) Maximum

0.10 {0.004}

Cylinder bore diameter
[Measure the cylinder bore
at 42 mm
{1.65 in} below the top
surface]

(mm {in}) Standard

87.500—87.530 {3.4449—3.4460}

Minimum / maximum bore
diameter Limit

(mm {in})

87.440—87.590 {3.4425—3.4484}

Piston

Piston diameter

(mm {in}) Standard

87.465—87.495 {3.4435—3.4446}

Piston-to-cylinder clearance

(mm {in})

Standard

0.022—0.047 {0.0009—0.0018}

Maximum

0.11 {0.0043}

Piston ring

Piston ring-to-ring groove
clearance

(mm {in})

Standard

Top

0.04—0.08 {0.0016—0.0031}

Second

0.03—0.07 {0.0012—0.0027}

Oil (rail)

0.06—0.15 {0.0024—0.0059}

Maximum

Top

0.17 {0.0067}

Second

0.15 {0.0059}

Oil (rail)

0.15 {0.0059}

Item

Engine

LF (With variable valve timing mechanism)
L3 (With variable valve timing mechanism)

TECHNICAL DATA

01–50–5

TRIBUTE (L.H.D.) Face-lifted model

End gap
(measured in cylinder)

(mm {in})

Standard

Top

0.16—0.26 {0.0063—0.010}

Second

0.33—0.48 {0.0130—0.0189}

Oil (rail)

0.20—0.70 {0.0079—0.0275}

Maximum

Top

1.0 {0.0393}

Second

1.0 {0.0393}

Oil (rail)

1.0 {0.0393}

Connecting rod and connecting rod bearing

Connecting rod side
clearance

(mm {in})

Standard

0.14—0.36 {0.0056—0.0141}

Maximum

0.435 {0.0172}

Connecting rod bearing size

(mm {in})

Standard

1.496—1.502 {0.0589—0.0591}

0.25 Oversize

1.621—1.627 {0.0639—0.0641}

0.50 Oversize

1.746—1.752 {0.0688—0.0690}

Connecting rod bearing oil
clearance

(mm {in})

Standard

0.026—0.052 {0.0011—0.0020}

Maximum

0.10 {0.0039}

Crankshaft

Crankshaft runout

(mm {in}) Maximum

0.05 {0.0019}

Main journal diameter

(mm {in})

Standard

51.980—52.000 {2.0464—2.0472}

0.25 {0.01}
undersize

51.730—51.750 {2.0366—2.0373}

Main journal oil clearance

(mm {in})

Standard

0.019—0.035 {0.0007—0.0013}

Maximum

0.10 {0.0039}

Main journal out of round

(mm {in}) Maximum

0.05 {0.0019}

Main bearing size

(mm {in})

Standard

2.506—2.509 {0.0987—0.0988}

0.25 {0.01} Oversize

2.628—2.634 {0.1034—0.1037}

0.50 {0.02} Oversize

2.753—2.759 {0.1084—0.1086}

Crank pin journal diameter

(mm {in})

Standard

49.980—50.000 {1.9677—1.9685}

0.25 {0.01}
undersize

49.730—49.750 {1.9579—1.9586}

Crank pin out of round

(mm {in}) Maximum

0.05 {0.022}

Crankshaft end play

(mm {in})

Standard

0.22—0.45 {0.0087—0.0177}

Maximum

0.55 {0.0216}

Front oil seal

Pushing distance of the front oil seal
[from the edge of the engine front cover]

(mm {in})

0—0.5 {0—0.019}

Bolt

Cylinder head bolt length

Standard

145.2—145.8 {5.72—5.74}

Maximum

146.5 {5.77}

Connecting rod bolt length

Standard

44.7—45.3 {1.75—1.78}

Maximum

46.0 {1.81}

Main bearing cap bolt length

Standard

110.0—110.6 {4.33—4.35}

Maximum

111.3 {4.38}

Balance shaft

Gear backlash

(mm {in}) Maximum

L3: 0.005-0.101 {0.00019—0.0039}

Item

Engine

LF (With variable valve timing mechanism)

L3 (With variable valve timing mechanism)

Item

Engine

Cylinder Block

Cylinder bore diameter

(mm {in})

87.5—87.53 {3.444—3.445}

Cylinder bore maximum out-of-round

(mm {in})

0.008 {0.0003}

Main bearing bore diameter

(mm {in})

57.020—57.038 {2.244—2.245}

01–50–6

TECHNICAL DATA

Head gasket surface flatness

0.1 mm/general

0.05 mm/200 x 200

{0.0003 in./general}

{0.0019 in./7.87 x 7.87}

Piston

Diameter (1)

(mm {in})

87.5—87.51 {3.444—3.445}

Diameter (2)

(mm {in})

87.51—87.52 {3.4452—3.4456}

Diameter (3)

(mm {in})

87.52—87.53 {3.444—3.446}

Piston-to-bore clearance

(mm {in})

0.025—0.045 {0.0009—0.0017}

Ring groove width — top

(mm {in})

1.203—1.205 {0.0473—0.0474}

Ring groove width — 2nd

(mm {in})

1.17—1.19 {0.0460—0.0468}

Ring groove width — oil

(mm {in})

2.501—2.503 {0.0984—0.0985}

Piston skirt coating thickness

(mm {in})

0.008—0.020 {0.0003—0.0007}

Piston Pin

Diameter

(mm {in})

20.995—21.0 {0.8266—0.8268}

Length

(mm {in})

59.6—60.4 {2.346—2.377}

Piston-to-pin clearance

(mm {in})

0.008—0.016 {0.0003—0.0006}

Pin-to-rod clearance

Press fit

Cylinder Head

Valve lift at zero lash (exhaust)

(mm {in})

7.4 {0.2913}

Valve lift at zero lash (intake)

(mm {in})

7.9 {0.311}

Valve guide diameter

(mm {in})

5.509—5.539 {0.216—0.218}

Valve seat width — intake/exhaust

(mm {in})

0.99—1.84 {0.038—0.072}

Valve seat angle

(

°)

Valve seat runout

(mm {in})

0.075 {0.0029}

Valve lash adjuster bore diameter

(mm {in})

31.00—31.03 {1.220—1.221}

Cam bore diameter

(mm {in})

25.015—25.040 {0.984—0.985}

Valve

Valve head diameter — intake

(mm {in})

34.85—35.15 {1.372—1.383}

Valve head diameter — exhaust

(mm {in})

29.85—30.15 {1.175—1.187}

Valve stem diameter — intake

(mm {in})

5.470—5.485 {0.2153—0.2159}

Valve stem diameter — exhaust

(mm {in})

5.465—5.480 {0.2151—0.2157}

Valve stem-to-guide clearance — intake

(mm {in})

0.0027 {0.0009}

Valve stem-to-guide clearance — exhaust

(mm {in})

0.0029 {0.0011}

Valve face runout

(mm {in})

0.05 {0.001 in}

Valve face angle

(

°)

Valve Spring — Compression Pressure

Intake and exhaust (installed)

(N {kgf, lbs})

172.4 {17.576, 38.667}

Intake (valve open) 8.9 mm (0.35 in) of lift

(N {kgf, lbs})

432.5 {44.105, 97.032}

Exhaust (valve open) 7.4 mm of lift

(N {kgf, lbs})

416.1 {42.426, 93.338}

Free length

(mm {in})

44.92 {1.768}

Assembled height

(mm {in})

37.9 {1.492}

Crankshaft

Main bearing journal diameter

(mm {in})

51.980—52.000 {2.046—2.047}

Production repair

(mm {in})

51.730—51.750 {2.036—2.037}

Main bearing clearance

(mm {in})

0.019—0.035 {0.0007—0.0013}

Connecting rod journal diameter

(mm {in})

49.980—50.000 {1.967—1.968}

Production repair

(mm {in})

49.730—49.750 {1.957—1.958}

End play

(mm {in})

0.22—0.43 {0.008—0.016}

Rings

Width — top

(mm {in})

1.17—1.185 {0.0460—0.0466}

Width — 2nd

(mm {in})

1.197—1.199 {0.0471—0.0472}

Width — oil

(mm {in})

2.38—2.45 {0.093—0.096}

Ring gap (in bore) — top

(mm {in})

0.16—0.31 {0.006—0.012}

Item

Engine

TECHNICAL DATA

01–50–7

End Of Sie

Ring gap (in bore) — 2nd

(mm {in})

0.33—0.48 {0.012—0.018}

Ring gap (in bore) — oil

(mm {in})

0.2—0.7 {0.007—0.027}

Valve Tappet

Diameter

(mm {in})

30.97—30.98 {1.2192—1.2196}

Tappet-to-valve clearance — intake

(mm {in})

0.22— 0.28 {0.008—0.011}

Tappet-to-valve clearance — exhaust

(mm {in})

0.27—0.33 {0.010—0.013}

Tappet-to-bore clearance

(mm {in})

0.02—0.06 {0.0007—0.0023}

Camshaft

Lobe lift — intake

(mm {in})

8.24999 {0.32}

Lobe lift — exhaust

(mm {in})

7.80007 {0.307 }

Runout (1) No. 3 Journal — Supported by No. 1 and No. 5
journals.

(mm {in})

0.03 {0.001}

Thrust clearance

(mm {in})

0.09—0.24 {0.003—0.009}

Journal diameter

(mm {in})

24.96—24.98 {0.982—0.983}

Journal-to-bore clearance

(mm {in})

0.035—0.080 {0.001—0.003}

Connecting Rod

Bearing clearance

(mm {in})

0.027—0.052 {0.001—0.002}

Bearing thickness

(mm {in})

1.496—1.520 {0.058—0.059}

Crank bore diameter

(mm {in})

53.025—53.045 {2.087—2.088}

Pin bore diameter

(mm {in})

20.965—20.985 {0.825—0.826}

Length (center-to-center)

(mm {in})

154.8 {6.094}

Side clearance

(mm {in})

1.95—3.05 {0.076—0.120}

Axial clearance

(mm {in})

0.14—0.36 {0.005—0.014}

Item

Engine

Content .. 14 15 16 17 ..