01-45A-00 CS INTRODUCTION. Reference No A-00 ISSUED:

Transcription

1 01-45A 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, illustrations and directions in this SERVICE DATA are based on the latest products information available at the time of publication. CONTENTS page 1 SERVICE INFORMATION Specification Technical data Torque limits Special repairing materials Service limits Special tools EMISSION ADJUSTMENT GUIDE General adjusting rules Presetting idle adjust screw, L mixture needle and H mixture needle Adjusting carburetor Reference No A-00 ISSUED:

2 2 SERVICE INFORMATION 1 SERVICE INFORMATION 1-1 Specifications Model Dimensions Length* mm(in) 398 (15.67) Width mm(in) 252 (9.9) Height mm(in) 272 (10.7) Dry weight* kg(lb) 4.8 (10.6) Engine Type KIORITZ, air-cooled, two-stroke, single cylinder Rotation Clockwise as viewed from the output end Displacement cm 3 (in 3 ) 45.0 (2.747) Bore mm(in) 43.0 (1.693) Stroke mm(in) 31.0 (1.220) Compression ratio 6.5 Carburetor Type Diaphragm horizontal-draft with auto-return choke Model Walbro WT-416C Venturi size-throttle bore mm(in) ( ) Ignition Type CDI (Capacitor discharge ignition) system with electronic timing advancer Spark plug BPM8Y (for CANADA version : RCJ6Y) Starter Type Automatic rewind Rope diameter x length mm(in) 3.5 x 1000 (0.14 x 39.4) Fuel Type Premixed two-stroke fuel Mixture ratio 50 : 1 (2 %) Gasoline Minimum 89 octane gasoline Two-stroke air cooled engine oil ISO-L-EGD (ISO/CD13738), JASO FC Tank capacity L (U.S.fl.oz.) 0.45 (15.2) Clutch Type Centrifugal, 3-shoe slide with 3-tension spring Guide bar / Saw chain lubrication type Automatic with volume adjuster Oil Tank capacity L (U.S.fl.oz.) 0.28 (9.5) Sprocket Type Spur Number of teeth 7 Pitch in * Without guide bar and saw chain. Cutting devices Guide bar Part No. 16A0AD A0AD A0AD3378 Called length in Gauge in Saw chain Type OREGON 33SL Number of drive links Pitch in Gauge in 0.050

3 SERVICE INFORMATION Technical data Engine Idling speed rpm Wide open throttle speed* rpm Clutch engagement speed rpm Compression pressure MPa (kgf/cm 2 ) (psi) 1.00 (10.2) (145) Ignition system Spark plug gap mm(in) ( ) Minimum secondary voltage at 1500 rpm kv 15 Primary coil resistance Ω Secondary coil resistance kω Pole shoe air gaps mm (in) ( ) Ignition timing at 800 rpm BTDC 16.0 at 3000 rpm BTDC 19.0 at rpm BTDC 33.0 Carburetor Idle adjust screw initial setting turns in** 1 5/8 Test Pressure, minimum MPa (kgf/cm 2 ) (psi) 0.05 (0.5) (7.0) Metering lever height mm(in) 1.65 (0.06) lower than diaphragm seat Chain oil discharge volume at 7000 r/ min Adjustable : ( ) ml/min(u.s.fl.oz./min) BTDC: Before top dead center. * With 18 in. guide bar and saw chain. **Set idle adjust screw to contact throttle plate before initial setting. (Factory set 7 ml/min)

4 4 SERVICE INFORMATION 1-3 Torque limits Descriptions Size kgf cm N m in lbf Starter system Ignition system Fuel system Starter pawl M 5* Starter drum M Starter case M 5* Magneto rotor (Flywheel) M Ignition coil M Ignition lead M Ignition switch M Spark plug M Carburetor M Intake bellows M Clutch Clutch hub LM Engine Crankcase M 5* Engine mount M Muffler M Cylinder cover M Others Auto-oiler M Regular bolt, nut, and screw Oil tank M 4* Front handle M 5** Rear handle assembly Sprocket guard for fixing rear handle muffler side M rear hadle side M 5* M Handle lid M 4** Brake lever (Hand guard) M Brake lever weight M Brake cover M 4** Sprocket guard plate M 4** Chain catcher M Guide bar M M M M M LM: Left-hand thread *Apply special repairing materials (See next page) ** Tapping screw

5 SERVICE INFORMATION Special repairing materials Material Location Remarks Adhesive Ball bearing outer / crankcase Loctite #675 or equivalent Stud bolt Handle cushions Loctite #424, ThreeBond #1741 or equivalent Liquid gasket Crankcase seams Loctite #515 or equivalent Starter pawl / Starter case Loctite #242, ThreeBond #1324 or equivalent Thread locking sealant Rear handle assembly Brake lever weight Loctite #222, ThreeBond #1342 or equivalent Oil tank Loctite #595, ThreeBond #1212 or equivalent Grease Auto-oiler worm Clutch needle bearing Internal handle cushions Lithium based grease Rewind spring Starter center shaft Chain brake (metal contact part) Molybdenum grease (approx. 1 gram)

6 6 SERVICE INFORMATION 1-5 Service Limits A B C D 5K280 5K282 5K283 5K284 E F G H 5K285 5K016 5K042 5K281 K L M P N 5K173 5K174 5K K191B 3 Description A Cylinder bore When plating is worn and aluminum can be seen B Piston outer diameter Min (1.687) C Piston pin bore Max (0.3555) 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 (0.3535) G Piston ring width Min (0.045) H Piston ring end gap Max. 0.5 (0.02) K Con-rod small end bore Max (0.4774) L Crankshaft runout Max (0.002) M Sprocket bore Max (0.5146) N Clutch drum bore Max (2.81) P Sprocket wear limit Max. 0.5 (0.02)

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