Suzuki: Engine K6A-YH6. Service manual - part 4

 

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Suzuki: Engine K6A-YH6. Service manual - part 4

 

 

2-8

SPECIFICATIONS AND GENERAL INFORMATION

2

Tappet Shim Selection Chart

Part Number

Stamped Number

Thickness (mm)

4148102

218

2.18

4148103

220

2.20

4148104

222

2.22

4148105

224

2.24

4148106

226

2.26

4148107

228

2.28

4148108

230

2.30

4148109

232

2.32

4148110

234

2.34

4148111

236

2.36

4148112

238

2.38

4148113

240

2.40

4148114

242

2.42

4148115

244

2.44

4148116

246

2.46

4148117

248

2.48

4148118

250

2.50

4148119

252

2.52

4148120

254

2.54

4148121

256

2.56

4148122

258

2.58

4148123

260

2.60

4148124

262

2.62

4148125

264

2.64

4148126

266

2.66

4148127

268

2.68

4148128

270

2.70

4148129

272

2.72

4148130

274

2.74

4148131

276

2.76

4148132

278

2.78

4148133

280

2.80

4148134

282

2.82

4148135

284

2.84

4148136

286

2.86

4148137

288

2.88

4148138

290

2.90

4148139

292

2.92

4148140

294

2.94

4148141

296

2.96

4148142

298

2.98

4148143

300

3.00

SPECIFICATIONS AND GENERAL INFORMATION

2-9

2

2.8 Lubrication System 
Specifications

Item

Unit

Specification

Oil Pump Housing Torque

lb-in. (N•m)

60 (6.78)

Oil Pump Outer Rotor Side 
Clearance Limit

in. (mm)

0.003—0.005 (0.076—0.127)

Oil Pump Radial Clearance Limit

in. (mm)

0.0004—0.006 (0.10—0.15)

Inner Rotor and Pump Case 
Clearance

in. (mm)

0.001—0.003 (0.025—0.076)

Oil Pump Relief Valve Spring Free 
Length

in. (mm)

2.063 (52.40)

Oil Pump Relief Valve Spring 
Tension at 1.516 in (38.5: mm)
of Length

lb-ft (N•m)

17.3 (4.44)

Oil Pressure Sending Unit Torque

lb-in. (N•m)

115 (13)

Oil Pressure-Minimum at 4000 rpm

psi (kPa)

40 (276)

Oil Pan Torque

lb-in. (N•m)

97 (11)

Drain Plug Torque

lb-ft (N•m)

36 (49)

Oil Filter Torque

lb-in. (N•m)

120 (13.5)

Recommended Oil 

Normal /

Cold Region

10W-30 (SH) / 5W-30 (SG)

Oil Capacity when Replacing 
Without Filter

qts (liters)

2.75 (2.6)

Oil Capacity when Also Replacing 
Filter

qts (liters)

2.96 (2.8)

Oil Change Interval—Normal 
Conditions

hours

After First 35 Hours—Then Every 100 Hours or 3 Months

Oil Filter Replacement

hours

After First 35 Hours—Then Every 100 Hours or 3 Months

2-10

SPECIFICATIONS AND GENERAL INFORMATION

2

2.9 Cylinder Block, Lower 
Crankcase, and Crankshaft 
Specifications

Item

Unit

Specification

Lower Crankcase (M10) Cap Screw 
Torque

lb-ft (N•m)

42 (57)

Lower Crankcase (M8) Cap Screw 
Torque

lb-in. (N•m)

212 (24)

Cylinder Bore Inside Diameter

in. (mm)

2.6771—2.6779 (68.000—68.020)

Cylinder Bore Inside Diameter Limit

in. (mm)

2.6791 (68.050)

Piston Outside Diameter

in. (mm)

2.675—2.676 (67.970—67.990)

Oil Control Ring End Gap

in. (mm)

0.0039—0.0157 (0.10—0.40)

Oil Control Ring End Gap Limit

in. (mm)

0.047 (1.2)

Second Compression Ring End 
Gap

in. (mm)

0.0137—0.0196 (0.35—0.50)

Second Compression Ring End 
Gap Limit

in. (mm)

0.039 (1.0)

Top Compression Ring End Gap

in. (mm)

0.0047—0.0106 (0.12—0.27)

Top Compression Ring End Gap 
Limit

in. (mm)

0.027 (0.7)

Cylinder Block Main Bearing 
Journal Inside Diameter

in. (mm)

1.9291—1.9298 (49.000—49.018)

Crankshaft Main Bearing Journal 
Outside Diameter

in. (mm)

1.770—1.771 (44.982—45.000)

Crankshaft/Cylinder Block Main 
Bearing Journal Oil Clearance 

in. (mm)

0.0007—0.0015 (0.020—0.040)

Crankshaft/Cylinder Block Main 
Bearing Journal Oil Clearance Limit

in. (mm)

0.002 (0.065)

Piston Pin Outside Diameter

in. (mm)

0.7084—0.7086 (17.995—18.000)

Piston Pin Bore Inside Diameter

in. (mm)

0.7088—0.7092 (18.006—18.014)

Connecting Rod Small End Inside 
Diameter

in. (mm)

0.7087—0.7090 (18.003—18.011)

Connecting Rod Large End Inside 
Diameter

in. (mm)

1.6141—1.6148 (41.000—41.018)

Crankshaft Connecting Rod 
Bearing Journal Outside Diameter

in. (mm)

1.495—1.496 (37.982—38.000)

Crankshaft/Connecting Rod Oil 
Clearance

in. (mm)

0.0007—0.0015 (0.020—0.040)

Crankshaft/Connecting Rod Oil 
Clearance Limit

in. (mm)

0.002 (0.065)

Connecting Rod Torque

lb-ft (N•m)

24 (33)

Crankshaft Pulley Cap Screw

lb-ft (N•m)

72 (98)

Flywheel Cap Screw

lb-ft (N•m)

50 (69)

Knock Sensor Torque

lb-in. (N•m)

203 (23)

SPECIFICATIONS AND GENERAL INFORMATION

2-11

2

Oversize Main Bearing Identification

Bearing Color

Part Number

Size Range

Brown

4140912

0.0785—0.0787 in.

(1.996—2.000 mm)

Green

4140908

0.0787—0.0788 in.

(1.999—2.003 mm)

Black

4140909

0.0788—0.0789 in.

(2.002—2.006 mm)

No Color

4140910

0.0788—0.0789 in.

(2.002—2.006 mm)

Yellow

4140911

0.0790—0.0792 in.

(2.008—2.012 mm)

 

 

 

 

 

 

 

 

 

 

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