1 SERVICE INFORMATION1-1 Specifi cationsDimensions Length mm(in) 448 (17.64)Width mm(in) 246 (9.69)Height mm(in) 296 (11.65)Dry weight* kg(lb) 6.0 (13.2)Engine Type YAMABIKO, air-cooled, two-stroke, single cylinderVentilated piston, Semi-automatic decompressionRotation Clockwise as viewed from the output endDisplacement cm 3 (in 3 ) 59.8 (3.649)Bore mm(in) 45.0 (1.772)Stroke mm(in) 37.6 (1.480)Compression ratio 7.2Carburettor Type Diaphragm horizontal-draughtModel Walbro HDA-268AVenturi size-Throttle bore mm(in) 15.08 - 19.03 (0.594 - 0.749)Ignition Type CDI (Capacitor discharge ignition) systemDigital magnetoSpark plug BPMR8YExhaust Muffler type Spark arrester mufflerStarter Type Automatic rewindRope diameter x length mm(in) 4.0 x 950 (0.15 x 37.4) : KevlarFuel Type Premixed two-stroke fuelMixture ratio 50 : 1 (2 %)Petrol Minimum 89 octane gasolineTwo-stroke air cooled engine oil ISO-L-EGD (ISO/CD13738), JASO FC/FDTank capacity L (U.S.fl.oz.) 0.57 (19.3)Clutch Type Inboard clutch : Centrifugal, 3-shoe slide with 3-tension springGuide bar / Saw chain lubrication type Automatic with volume adjusterTank capacity, oil L (U.S.fl.oz.) 0.3 (10.1)Sprocket Type Floating rimNumber of teeth 7Pitch in 3/8* Without guide bar and saw chain.Carlton Saw chain A2LMOregon Saw chain 73LGXCutting devicesGuide bar Type 45RS58-3/8E 50RS58-3/8E 60RS58-3/8ECalled length cm 45 50 60Gauge in 0.058Saw chain Number of drive links 64 72 84Pitch in 3/8Gauge in 0.058SERVICE INFORMATION CS-6102