HCR-151012-21L-01
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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.
INDEX
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-01
REVI SED: 201001
ISSUED: 200512
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1 SERVICE INFORMATION
1-1 Specifications
Model HCR-1510
Dimensions Length mm(in) 990 (39.0)
Width mm(in) 250 (9.8)
Height mm(in) 195 (7.7)
Dry weight kg(lb) 5.2 (11.5)
Engine Type KIORITZ, air-cooled, two-stroke, single cylinder
Rotation Anticlockwise as viewed from the output end
Displacement cm3(in3) 21.2 (1.29)
Bore mm(in) 32.2 (1.27)
Stroke mm(in) 26.0 (1.02)
Compression ratio 6.1
Carburettor Type Diaphragm, horizontal-draught, with primer (purge bulb)
Model ZAMA C1U-K54A
Ignition Type CDI (Capacitor discharge ignition) system
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 with hand guard
Gear case Reduction ratio 4.5
Gear tooth Spur gear
Lubrication Lithium based grease
Cutter Type Double reciprocating double edge blade
Called length mm(in) 580 (23)
Pitch mm(in) 35 (1.38)
Height mm(in) 21 (0.83)
Thickness mm(in) 2.5 (0.098)
Lubrication Drop a few oil every 4 hours of operation to 4 bolt slots
SERVICE INFORMATION
Variable Slope Timing (VST) : Slope advance ignition
system combined with electronic speed governor
Rear Integrated control plastic grip
(Grease up every 15-20 hours of operating)
HCR-1510
HCR-1510
1-2 Technical data
Engine
Idling speed r/min 2400 - 3200
Wide open throttle speed r/min 7900 - 8500
Clutch engagement speed r/min 3500 - 4100
Compression pressure MPa (kgf/cm2) (psi) 0.69 (7.0) (100)
Ignition system
Spark plug gap mm(in) 0.6 - 0.7 (0.024 - 0.028)
Minimum secondary voltage at 1500 r/ min kV 15
Primary coil resistance Ω 250 - 400
Secondary coil resistance kΩ 2.4 - 3.2
Pole 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 (kgf/cm2) (psi) 0.05 (0.5) (7.0)
Metering lever height mm(in) 0.1 - 0.25 (0.004 - 0.010) lower than diaphragm seat
BTDC: Before top dead centre.
* Set idle speed screw to contact throttle plate before initial setting.
SERVICE INFORMATION
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