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HCR-1510

12-21L-0

INTRODUCTION

We are constantly working on technical

improvement of our products. For this reason,

technical data, equipment and design are

subject to change without notice. All

specifications and directions in this SERVICE

DATA are based on the latest products

information available at the time of

publication.

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

1-6 Spacial tool................................................. 7

2 EMISSION ADJUSTMENT GUIDE ............... 8

2-1 General adjusting rules .............................. 8

2-2 Presetting idle adjust screw, L mixture needle

and H mixture needle ........................................ 8

2-3 Adjusting carburettor .................................. 9

Reference No.

12-21L-0

INDEX

R E V I S E D : 2 0 1 0 0 1

ISSUED: 200512

Содержание HCR-1510

Страница 1: ...est products information available at the time of publication 1 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 6 Spacial tool 7 2 EMISSION ADJUSTMENT GUIDE 8 2 1 General adjusting rules 8 2 2 Presetting idle adjust screw L mixture needle and H mixture needle 8 2 3 Adjusting carburettor 9 Re...

Страница 2: ...em combined with electronic speed governor Spark plug BPMR 7A Starter Type Automatic rewind Rope diameter x length mm in 3 0 x 890 0 12 x 35 0 Fuel Type Premixed two stroke fuel Mixture ratio 50 1 2 Petrol Minimum 89 octane petrol RON Two stroke air cooled engine oil ISO L EGD ISO CD13738 JASO FC Tank capacity L U S fl oz 0 3 10 1 Clutch Type Centrifugal 2 shoe slide Handle Type Front Plastic grip...

Страница 3: ...le shoe air gaps mm in 0 30 0 35 0 012 0 014 Ignition timing at 3000 r min BTDC 20 0 at 7000 r min BTDC 42 0 at 8000 r min BTDC 19 0 at 8500 r min BTDC 15 0 Carburettor Venturi size mm in 8 5 0 34 Throttle bore mm in 12 7 0 5 Idle adjust screw initial setting turn in 2 3 4 H mixture needle initial setting turn back 1 1 2 L mixture needle initial setting turn back 1 1 2 Test Pressure minimum MPa kg...

Страница 4: ...ffler M 5 60 100 6 10 50 90 Cylinder cover M 4 14 28 1 4 2 8 12 24 Gear Gear case M 5 50 70 5 7 45 60 case Bottom cover M 4 30 50 3 5 26 45 Cutter Cutter bolts See NOTE below M 6 10 15 1 0 1 5 9 13 Cutter support M 6 45 75 4 5 7 5 40 65 Handle Rear handle set to M 5 25 40 2 5 4 0 22 35 handle fixture Front handle M 5 30 45 3 0 4 5 26 40 Regular bolt nut and screw M 3 6 10 0 6 1 0 5 9 M 4 15 25 1 5...

Страница 5: ...n Remarks Grease Gear case Rewind spring Lithium based grease Starter center post Oil seal inner lips Thread locking Intake insulator sealant Clutch case Cylinder cover Fuel tank Loctite 222 ThreeBond 1342 or equivalent Cutter support Starter case Rear handle set to handle fixture ...

Страница 6: ...in bore Max 8 030 0 3161 D Piston ring groove Max 1 6 0 063 E Piston ring side clearance Max 0 1 0 004 F Piston pin outer diameter Min 7 970 0 3138 G Piston ring width Min 1 45 0 057 H Piston ring end gap Max 0 5 0 02 K Crankshaft runout Max 0 05 0 002 L Clutch drum bore Max 51 5 2 03 5K016 5K042 5K202 0 5 10 1 2 3 4 5 6 7 8 9 10 11 Servicelimits_HCR_1510 5K171 A B C D E F G H K L ...

Страница 7: ...ase bearings 7 897702 30131 Piston pin tool Removing and installing piston pin Use 8 mm dia adapter 8 897712 07930 2 pin wrench Removing and installing pawl carrier 9 897714 24330 Oil seal tool Installing crankcase oil seals 10 897718 02830 Bearing tool Installing clutch drum ball bearing in gear case 11 897731 04920 Clutch tool Removing and installing clutch assembly 12 897800 79931 Spark tester ...

Страница 8: ...d H mixture needle 1 Turn L mixture needle A clockwise until lean stop to cut and remove easily 2 Using a sharp knife give triangle cut between the stopper wings Also cut the H limiter cap B NOTE Be careful when cutting caps otherwise injury may result 3 Pull the caps off with pliers NOTE Do not rock back and forth when removing otherwise the needle may be damaged 4 Turn H and L mixture needles cl...

Страница 9: ...h adjustment of L mixture needle to assure accurate tachometer readings 5 Turn H mixture needle clockwise to maximum WOT engine speed then turn the H mixture needle clockwise further until engine speed drops 100 to 200 r min 6 Immediately return the H mixture needle anticlockwise to obtain maximum WOT engine speed with smooth and clear engine sound Then turn the H mixture needle anticlockwise 1 8 ...

Страница 10: ...to 3 200 r min at idling and the range of 7 900 to 8 500 r min at WOT Also make it sure cutting device would not turn at engine idle speed and suitable acceleration NOTE Initial carburettor setting Idle adjust screw L and H mixture needles shown here is to start the engine after restoration or carburettor change Idle adjust screw L and H mixture needles turn for designated engine revolution throug...

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