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SERVICE INFORMATION

CS-4400

 CS-5100

6

5K177

5K083

5K084

5K081

5K082

5K016

5K025

5K174

5K178

5K173

1

2

3

4

5

6

7

5K171

5K191B

1-5 Service Limits (CS-4400)

mm  (in)

A Cylinder bore

When plating is worn and aluminium can be seen

B Piston outer diameter

Min.

42.87 (1.688)

C Piston pin bore

Max.

9.025 (0.3553)

D Piston ring groove

Max.

1.3 (0.051)

E Piston ring side clearance

Max.

0.1 (0.004)

F Piston pin outer diameter

Min.

8.980 (0.3535)

G Piston ring width

Min.

1.15 (0.045)

H Piston ring end gap

Max.

0.5 (0.02)

K Con-rod small end bore

Max.

12.125 (0.4774)

L Crankshaft runout

Max.

0.05 (0.002)

M Sprocket bore

Max.

13.07 (0.5146)

N Clutch drum bore

Max.

71.5 (2.81)

P Sprocket wear limit

Max.

0.5 (0.02)

A

B

C

D

F

G

H

K

L

M

P

N

E

Summary of Contents for CS-4400

Page 1: ...ts of information for servicing this model 0 CONTENTS page 1 SERVICE INFORMATION 2 1 1 Specification 2 1 2 Technical data 3 1 3 Torque limits 4 1 4 Special repairing materials 5 1 5 Service limits 6 1...

Page 2: ...CDI Capacitor discharge ignition system with electronic timing advancer Spark plug RCJ 6Y Starter Type Automatic rewind Rope diameter x length mm in 3 5 x 1000 0 14 x 39 4 Fuel Type Premixed two stro...

Page 3: ...resistance k 1 7 2 2 Pole shoe air gaps mm in 0 30 0 40 0 012 0 016 Ignition timing at 800 r min BTDC 14 5 at 1500 r min BTDC 17 at 3000 r min BTDC 18 5 at 10000 r min BTDC 28 Carburettor Idle adjust...

Page 4: ...5 70 110 7 11 60 95 Muffler plate M4 15 25 1 5 2 5 13 22 Others Cylinder cover M4 25 45 2 5 4 5 22 40 Cushion Front handle M5 30 45 3 0 4 5 26 40 Oil tank M4 30 40 3 4 26 35 Auto oiler M4 15 25 1 5 2...

Page 5: ...ms Loctite 515 990610 00051 or equivalent Oil tank seams Loctite superflex 595 ThreeBond 1212 or equivalent Thread locking sealant Starter pawl screws Loctite 242 ThreeBond 1324 or equivalent Cushion...

Page 6: ...n 42 87 1 688 C Piston pin bore Max 9 025 0 3553 D Piston ring groove Max 1 3 0 051 E Piston ring side clearance Max 0 1 0 004 F Piston pin outer diameter Min 8 980 0 3535 G Piston ring width Min 1 15...

Page 7: ...iameter Min 44 89 1 767 C Piston pin bore Max 11 025 0 4341 D Piston ring groove Max 1 3 0 051 E Piston ring side clearance Max 0 1 0 004 F Piston pin outer diameter Min 10 980 0 4323 G Piston ring wi...

Page 8: ...suring metering lever hight on carburettor 8 897701 02830 Bearing wedge Removing and crankshaft ball bearings 9 897702 30131 Piston pin tool Removing and installing piston pin 10 897603 23030 PTO shaf...

Page 9: ...r serious engine damage may occur due to overspeeding 2 2 Presetting idle adjust screw L mixture needle and H mixture needle 1 Turn the L and H mixture needles out anticlockwise to rich side stop and...

Page 10: ...ment do not run engine at high speed without load longer than 5 seconds 7 If the engine speed at WOT is above 13 000r min adjust H mixture needle anticlockwise and set maximum engine speed at less tha...

Page 11: ...e power head and properly tensioned NOTE Make sure of proper installation of 45 cm guide bar and saw chain when adjusting carburettor or serious engine damage may occur due to overspeeding 2 2 Presett...

Page 12: ...and H mixture needle by aligning groove on limiter cap B to locating pin A on extension housing Make it sure that limiter cap face is leveled with extension housing top Do not press limiter cap deepe...

Page 13: ...he range of 12 500 to 13 500 r min by turning H mixture needle clockwise NOTE During H mixture needle adjustment do not run engine at high speed without load longer than 5 seconds 7 If the engine spee...

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